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MMBTA42 Datasheet
MMBTA42(Fairchild Semiconductor) Specifications
Manufacturer: NXP
Product Category: IC Chips

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Arrow Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price
MMBTA42LT3G DISTI # V36:1790_07323069
ON Semiconductor Trans GP BJT NPN 300V 0.5A Automotive 3-Pin SOT-23 T/R RoHS: Compliant 30000
  • 100000 $0.0142
  • 50000 $0.0171
  • 20000 $0.0190
  • 10000 $0.0208
MMBTA42LT1G DISTI # V72:2272_07323533
ON Semiconductor Trans GP BJT NPN 300V 0.5A 300mW Automotive 3-Pin SOT-23 T/R RoHS: Compliant 22714
  • 15000 $0.0245
  • 6000 $0.0272
  • 3000 $0.0303
  • 1000 $0.0336
  • 500 $0.0454
  • 250 $0.0497
  • 100 $0.0529
  • 25 $0.1499
  • 10 $0.1632
  • 1 $0.1690
MMBTA42 DISTI # V36:1790_06302446
ON Semiconductor High voltage transistor 21000
  • 75000 $0.0364
  • 30000 $0.0376
  • 15000 $0.0412
  • 6000 $0.0419
  • 3000 $0.0466
MMBTA42-7-F DISTI # V72:2272_06702915
Zetex / Diodes Inc Trans GP BJT NPN 300V 0.5A Automotive 3-Pin SOT-23 T/R RoHS: Compliant 23
  • 10 $0.1444
  • 1 $0.2185

Digi-Key ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price
MMBTA42LT1G DISTI # MMBTA42LT1GOSCT-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT23 RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT) 114807
In Stock
  • 1000 $0.0402
  • 500 $0.0581
  • 100 $0.0931
  • 10 $0.1700
  • 1 $0.1800
MMBTA42LT1G DISTI # MMBTA42LT1GOSDKR-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT23 RoHS: Compliant Min Qty: 1 Container: Digi-Reel® 114807
In Stock
  • 1000 $0.0402
  • 500 $0.0581
  • 100 $0.0931
  • 10 $0.1700
  • 1 $0.1800
MMBTA42LT1G DISTI # MMBTA42LT1GOSTR-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT23 RoHS: Compliant Min Qty: 3000 Container: Tape & Reel (TR) 114000
In Stock
  • 150000 $0.0184
  • 75000 $0.0217
  • 30000 $0.0242
  • 15000 $0.0267
  • 6000 $0.0304
  • 3000 $0.0335
MMBTA42 DISTI # MMBTA42FSTR-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT-23 RoHS: Compliant Min Qty: 3000 Container: Tape & Reel (TR) 84000
In Stock
  • 75000 $0.0383
  • 30000 $0.0408
  • 15000 $0.0434
  • 6000 $0.0510
  • 3000 $0.0587
SMMBTA42LT1G DISTI # SMMBTA42LT1GOSTR-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT23 RoHS: Compliant Min Qty: 3000 Container: Tape & Reel (TR) 12000
In Stock
  • 75000 $0.0554
  • 30000 $0.0622
  • 15000 $0.0662
  • 6000 $0.0743
  • 3000 $0.0824
SMMBTA42LT1G DISTI # SMMBTA42LT1GOSCT-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT23 RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT) 12000
In Stock
  • 1000 $0.0974
  • 500 $0.1265
  • 100 $0.1902
  • 10 $0.3350
  • 1 $0.4500
SMMBTA42LT1G DISTI # SMMBTA42LT1GOSDKR-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT23 RoHS: Compliant Min Qty: 1 Container: Digi-Reel® 12000
In Stock
  • 1000 $0.0974
  • 500 $0.1265
  • 100 $0.1902
  • 10 $0.3350
  • 1 $0.4500
SMMBTA42LT3G DISTI # SMMBTA42LT3GOSCT-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT-23 RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT) 8670
In Stock
  • 1000 $0.0958
  • 500 $0.1249
  • 100 $0.1886
  • 10 $0.3330
  • 1 $0.4500
SMMBTA42LT3G DISTI # SMMBTA42LT3GOSDKR-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT-23 RoHS: Compliant Min Qty: 1 Container: Digi-Reel® 8670
In Stock
  • 1000 $0.0958
  • 500 $0.1249
  • 100 $0.1886
  • 10 $0.3330
  • 1 $0.4500
MMBTA42LT3G DISTI # MMBTA42LT3GOSCT-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT-23 RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT) 2842
In Stock
  • 1000 $0.0383
  • 500 $0.0561
  • 100 $0.0912
  • 10 $0.1680
  • 1 $0.1800
MMBTA42LT3G DISTI # MMBTA42LT3GOSDKR-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT-23 RoHS: Compliant Min Qty: 1 Container: Digi-Reel® 2842
In Stock
  • 1000 $0.0383
  • 500 $0.0561
  • 100 $0.0912
  • 10 $0.1680
  • 1 $0.1800
MMBTA42 DISTI # MMBTA42FSCT-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT-23 RoHS: Compliant Min Qty: 1 Container: Cut Tape (CT) 719
In Stock
  • 500 $0.0986
  • 100 $0.1498
  • 10 $0.2830
  • 1 $0.3500
MMBTA42 DISTI # MMBTA42FSDKR-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT-23 RoHS: Compliant Min Qty: 1 Container: Digi-Reel® Limited Supply - Call  
MMBTA42LT3G DISTI # MMBTA42LT3GOSTR-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT-23 RoHS: Compliant Min Qty: 10000 Container: Tape & Reel (TR) On Order
  • 250000 $0.0165
  • 100000 $0.0186
  • 50000 $0.0198
  • 30000 $0.0223
  • 10000 $0.0248
SMMBTA42LT3G DISTI # SMMBTA42LT3GOSTR-ND
ON Semiconductor TRANS NPN 300V 0.5A SOT-23 RoHS: Compliant Min Qty: 10000 Container: Tape & Reel (TR) Temporarily Out of Stock
  • 50000 $0.0539
  • 30000 $0.0606
  • 10000 $0.0647

View All Results From Digi-Key

Verical ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price
MMBTA42LT3G DISTI # 31069474
ON Semiconductor Trans GP BJT NPN 300V 0.5A Automotive 3-Pin SOT-23 T/R RoHS: Compliant 30000
  • 10000 $0.0344
MMBTA42LT1G DISTI # 31035396
ON Semiconductor Trans GP BJT NPN 300V 0.5A 300mW Automotive 3-Pin SOT-23 T/R RoHS: Compliant 22819
  • 463 $0.1695
MMBTA42 DISTI # 31002669
ON Semiconductor High voltage transistor 21000
  • 30000 $0.0376
  • 15000 $0.0412
  • 6000 $0.0419
  • 3000 $0.0466
MMBTA42-7-F DISTI # 30613812
Zetex / Diodes Inc Trans GP BJT NPN 300V 0.5A Automotive 3-Pin SOT-23 T/R RoHS: Compliant 11178
  • 250 $0.0649
  • 100 $0.0801
  • 50 $0.0831
  • 27 $0.1913

Avnet ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price
MMBTA42 DISTI # MMBTA42
STMicroelectronics Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R - Tape and Reel (Alt: MMBTA42) RoHS: Compliant Min Qty: 30000 Container: Reel Americas - 12000  
MMBTA42 DISTI # MMBTA42
ON Semiconductor Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R - Cut TR (SOS) (Alt: MMBTA42) RoHS: Compliant Min Qty: 1 Container: Cut Tape Americas - 870  
MMBTA42-7-F DISTI # MMBTA42-7-F
Diodes Incorporated Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R (Alt: MMBTA42-7-F) RoHS: Compliant Min Qty: 3000 Container: Tape and Reel Asia - 15000
  • 3000 $0.0994
  • 6000 $0.0578
  • 9000 $0.0280
  • 15000 $0.0272
  • 30000 $0.0269
  • 75000 $0.0262
  • 150000 $0.0255
MMBTA42LT1G DISTI # MMBTA42LT1G
ON Semiconductor Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R (Alt: MMBTA42LT1G) RoHS: Compliant Min Qty: 30000 Container: Tape and Reel Asia - 150000
  • 3000 $0.0792
  • 6000 $0.0152
  • 9000 $0.0147
  • 15000 $0.0141
  • 30000 $0.0137
  • 75000 $0.0132
  • 150000 $0.0130
MMBTA42,215 DISTI # MMBTA42,215
Nexperia Trans GP BJT NPN 300V 0.1A 3-Pin TO-236AB T/R (Alt: MMBTA42,215) RoHS: Compliant Min Qty: 3000 Container: Tape and Reel Asia - 15000
  • 3000 $0.0533
  • 6000 $0.0518
  • 9000 $0.0504
  • 15000 $0.0491
  • 30000 $0.0484
  • 75000 $0.0478
  • 150000 $0.0466
SMMBTA42LT1G DISTI # SMMBTA42LT1G
ON Semiconductor Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R - Tape and Reel (Alt: SMMBTA42LT1G) RoHS: Compliant Min Qty: 9000 Container: Reel Americas - 54000
  • 9000 $0.0561
  • 15000 $0.0559
  • 24000 $0.0558
  • 45000 $0.0539
  • 90000 $0.0499
MMBTA42 DISTI # MMBTA42
Lite-On Semiconductor Corporation SMALL SIGNAL PRODUCTS (Alt: MMBTA42) RoHS: Compliant Min Qty: 3000 Asia - 0
  • 3000 $0.0857
  • 6000 $0.0343
  • 9000 $0.0286
  • 15000 $0.0264
  • 30000 $0.0245
  • 75000 $0.0238
  • 150000 $0.0232
MMBTA42LT3G DISTI # MMBTA42LT3G
ON Semiconductor Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R (Alt: MMBTA42LT3G) RoHS: Compliant Min Qty: 30000 Container: Tape and Reel Asia - 0  
MMBTA42,215 DISTI # MMBTA42,215
Nexperia Trans GP BJT NPN 300V 0.1A 3-Pin TO-236AB T/R - Tape and Reel (Alt: MMBTA42,215) RoHS: Compliant Min Qty: 3000 Container: Reel Americas - 0
  • 3000 $0.0173
  • 6000 $0.0170
  • 12000 $0.0166
  • 18000 $0.0162
  • 30000 $0.0158
MMBTA42-7-F DISTI # MMBTA42-7-F
Diodes Incorporated Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R - Tape and Reel (Alt: MMBTA42-7-F) RoHS: Compliant Min Qty: 3000 Container: Reel Americas - 0
  • 3000 $0.0171
  • 6000 $0.0163
  • 12000 $0.0155
  • 18000 $0.0148
  • 30000 $0.0145
SMMBTA42LT1G DISTI # SMMBTA42LT1G
ON Semiconductor Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R (Alt: SMMBTA42LT1G) RoHS: Compliant Min Qty: 9000 Container: Tape and Reel Asia - 0  
MMBTA42HLT1G DISTI # MMBTA42HLT1G
ON Semiconductor LRC FG SOT23 SINGLE - Tape and Reel (Alt: MMBTA42HLT1G) RoHS: Compliant Min Qty: 9000 Container: Reel Americas - 0  
MMBTA42Q-7-F DISTI # MMBTA42Q-7-F
Diodes Incorporated 300V NPN SMALL SIGNAL TRANSISTOR IN SOT23 - Tape and Reel (Alt: MMBTA42Q-7-F) RoHS: Compliant Min Qty: 3000 Container: Reel Americas - 0
  • 3000 $0.0255
  • 6000 $0.0243
  • 12000 $0.0231
  • 18000 $0.0221
  • 30000 $0.0216
SMMBTA42LT3G DISTI # SMMBTA42LT3G
ON Semiconductor Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R - Tape and Reel (Alt: SMMBTA42LT3G) RoHS: Compliant Min Qty: 10000 Container: Reel Americas - 0
  • 10000 $0.0503
  • 20000 $0.0500
  • 40000 $0.0494
  • 60000 $0.0487
  • 100000 $0.0475
MMBTA 42 LT1XT DISTI # MMBTA42LT1HTSA1
Infineon Technologies AG Trans GP BJT NPN 300V 0.5A 3-Pin SOT-23 T/R - Tape and Reel (Alt: MMBTA42LT1HTSA1) RoHS: Compliant Min Qty: 24000 Container: Reel Americas - 0
  • 24000 $0.0363
  • 30000 $0.0350
  • 54000 $0.0337
  • 120000 $0.0326
  • 240000 $0.0320

View All Results From Avnet

Newark element14 ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price
MMBTA42 DISTI # 89K0823
STMicroelectronics BIPOLAR TRANSISTOR, NPN, 300V, Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:300V, Transition Frequency ft:50MHz, Power Dissipation Pd:350mW, DC Collector Current:500mA, DC Current Gain hFE:40hFE, No. of Pins:3Pins , RoHS Compliant: Yes 1228
  • 1 $0.0390
MMBTA42 DISTI # 58K1877
ON Semiconductor BIPOLAR TRANSISTOR, NPN, 300V, Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:300V, Transition Frequency ft:50MHz, Power Dissipation Pd:350mW, DC Collector Current:500mA, DC Current Gain hFE:40hFE, No. of Pins:3Pins , RoHS Compliant: Yes 15000
  • 1 $0.3300
  • 25 $0.2190
  • 50 $0.1560
  • 100 $0.0920
  • 250 $0.0820
  • 500 $0.0720
  • 1000 $0.0620
MMBTA42 DISTI # 88W0204
Nexperia Bipolar (BJT) Single Transistor, NPN, 300 V, 50 MHz, 250 mW, 100 mA, 25 , RoHS Compliant: Yes 19710
  • 1 $0.2530
  • 10 $0.1790
  • 100 $0.1080
  • 500 $0.0820
  • 1000 $0.0670
  • 2500 $0.0580
  • 10000 $0.0560
  • 25000 $0.0490
MMBTA42 DISTI # 67R2114
ON Semiconductor TRANSISTOR, FULL REEL, Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:300V, Transition Frequency ft:50MHz, Power Dissipation Pd:350mW, DC Collector Current:500mA, DC Current Gain hFE:40hFE, No. of Pins:3Pins , RoHS Compliant: Yes 33000
  • 1 $0.0490
  • 3000 $0.0470
  • 6000 $0.0440
  • 12000 $0.0420
  • 18000 $0.0410
  • 30000 $0.0390
MMBTA42,215 DISTI # 79R4996
Nexperia BJT, HIGH VOLT, NPN, 300V, 100MA, 3SOT23, Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:300V, Transition Frequency ft:50MHz, Power Dissipation Pd:250mW, DC Collector Current:100mA, DC Current Gain hFE:40hFE , RoHS Compliant: Yes 662
  • 1 $0.2750
  • 25 $0.1830
  • 50 $0.1300
  • 100 $0.0760
  • 250 $0.0680
  • 500 $0.0590
  • 1000 $0.0520
SMMBTA42LT1G DISTI # 76T7285
ON Semiconductor SS SOT23 HV XSTR SPCL TR / REEL 0
  • 1 $0.4840
  • 50 $0.2740
  • 100 $0.1200
  • 250 $0.1160
  • 500 $0.1130
  • 1000 $0.0740
  • 9000 $0.0620
  • 27000 $0.0600
MMBTA42LT1G. DISTI # 26AC2217
ON Semiconductor SS SOT23 HV XTR NPN 300V , ROHS COMPLIANT: YES 0
  • 1 $0.0300
  • 3000 $0.0300
MMBTA42LT3G DISTI # 71J5989
ON Semiconductor BIPOLAR TRANSISTOR, NPN, 300V, FULL REEL, Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:300V, Transition Frequency ft:50MHz, Power Dissipation Pd:225mW, DC Collector Current:50mA, DC Current Gain hFE:40hFE , RoHS Compliant: Yes 0
  • 1 $0.1850
  • 50 $0.1530
  • 100 $0.0550
  • 250 $0.0530
  • 500 $0.0520
  • 1000 $0.0260
  • 15000 $0.0240
  • 30000 $0.0230
MMBTA42LT1G DISTI # 88H4783
ON Semiconductor BIPOLAR TRANSISTOR, NPN, 300V, Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:300V, Transition Frequency ft:50MHz, Power Dissipation Pd:300mW, DC Collector Current:500mA, DC Current Gain hFE:50hFE, No. of Pins:3Pins , RoHS Compliant: Yes 7219
  • 1 $0.1890
  • 25 $0.1690
  • 50 $0.1150
  • 100 $0.0610
  • 250 $0.0550
  • 500 $0.0480
  • 1000 $0.0420
MMBTA42LT1G DISTI # 67R1332
ON Semiconductor BIPOLAR TRANSISTOR, FULL REEL, Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:300V, Transition Frequency ft:50MHz, Power Dissipation Pd:300mW, DC Collector Current:500mA, DC Current Gain hFE:50hFE, No. of Pins:3Pins , RoHS Compliant: Yes 27000
  • 1 $0.0300
  • 3000 $0.0300
MMBTA42. DISTI # 27AC9089
Fairchild Semiconductor Corporation SOT-23 MPSA42 MARKED 1D , ROHS COMPLIANT: YES 0  
SMMBTA42LT1G DISTI # 31AC1379
ON Semiconductor TRANSISTOR, AEC-Q101, NPN, 300V, SOT-23, Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:300V, Transition Frequency ft:50MHz, Power Dissipation Pd:225mW, DC Collector Current:500mA, DC Current Gain hFE:40hFE, Transistor , RoHS Compliant: Yes 10475
  • 1 $0.4440
  • 10 $0.2890
  • 25 $0.2340
  • 50 $0.1800
  • 100 $0.1260
  • 250 $0.1170
  • 500 $0.1070
  • 1000 $0.0980

Allied Electronics & Automation ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price
MMBTA42LT1G DISTI # 70099537
ON Semiconductor Transistor, Bipolar, Si, NPN, High Voltage, VCEO 300VDC, IC 50mA, PD 225mW, SOT-23 RoHS: Compliant 0
  • 200 $0.0550
  • 400 $0.0550
  • 800 $0.0540
MMBTA42-7-F DISTI # 70438346
Diodes Incorporated Transistor NPN 300V 0.5A SOT23 RoHS: Compliant 0
  • 100 $0.1310
  • 500 $0.1140
  • 1000 $0.1030
  • 2500 $0.0940
SMMBTA42LT3G DISTI # 70300584
ON Semiconductor Transistor NPN 300V 500mA Automotive SOT RoHS: Compliant 0
  • 200 $0.0540
  • 400 $0.0540
  • 800 $0.0530
  • 1600 $0.0530

Rochester Electronics ECIA (NEDA) Authorized Distributor

Part # Manufacturer Description Stock Price
MMBTA42215
NXP Semiconductors Small Signal Bipolar Transistor, 0.1A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon, TO-236AB RoHS: Compliant 21000
  • 25 $0.0300
  • 100 $0.0300
  • 500 $0.0300
  • 1000 $0.0300
  • 1 $0.0400
MMBTA42LT1
ON Semiconductor   RoHS: Not Compliant 12000
  • 100 $0.0600
  • 500 $0.0600
  • 1000 $0.0600
  • 1 $0.0700
  • 25 $0.0700
MMBTA42LT1G
ON Semiconductor   RoHS: Not Compliant 767750
  • 1000 $0.0400
  • 1 $0.0500
  • 25 $0.0500
  • 100 $0.0500
  • 500 $0.0500
MMBTA42LT3G
ON Semiconductor   RoHS: Not Compliant 179500
  • 1000 $0.0400
  • 1 $0.0500
  • 25 $0.0500
  • 100 $0.0500
  • 500 $0.0500
SMMBTA42LT3G
ON Semiconductor   RoHS: Not Compliant 12199
  • 100 $0.0600
  • 500 $0.0600
  • 1000 $0.0600
  • 1 $0.0700
  • 25 $0.0700
MMBTA42LT1
Infineon Technologies AG Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon RoHS: Compliant 20300
  • 25 $0.0300
  • 100 $0.0300
  • 500 $0.0300
  • 1000 $0.0300
  • 1 $0.0400
MMBTA42LT1HTSA1
Infineon Technologies AG Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon RoHS: Compliant 42000
  • 25 $0.0300
  • 100 $0.0300
  • 500 $0.0300
  • 1000 $0.0300
  • 1 $0.0400
MMBTA42
Fairchild Semiconductor Corporation Small Signal Bipolar Transistor, 0.5A I(C), 300V V(BR)CEO, 1-Element, NPN, Silicon RoHS: Compliant 70450
  • 100 $0.0600
  • 500 $0.0600
  • 1000 $0.0600
  • 1 $0.0700
  • 25 $0.0700
MMBTA42LT1HTSA1
International Rectifier   RoHS: Not Compliant 18000
  • 25 $0.0300
  • 100 $0.0300
  • 500 $0.0300
  • 1000 $0.0300
  • 1 $0.0400

Future Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price
SMMBTA42LT3G
ON Semiconductor MMBT Series 300 V 500 mA SMT NPN Silicon Transistor - SOT-23-3 RoHS: Compliant 220000
Reel
  • 10000 $0.0581
  • 20000 $0.0494
MMBTA42LT1G
ON Semiconductor MMBT Series 300 V 50 mA SMT NPN Silicon Transistor - SOT-23 RoHS: Compliant 258000
Reel
  • 3000 $0.0176
  • 6000 $0.0138
  • 15000 $0.0135
  • 30000 $0.0132
MMBTA42LT1G
ON Semiconductor MMBT Series 300 V 50 mA SMT NPN Silicon Transistor - SOT-23 RoHS: Compliant 2
Cut Tape/Mini-Reel
  • 1 $0.0400
  • 250 $0.0286
  • 500 $0.0250
  • 750 $0.0222
  • 1500 $0.0200

Mouser Electronics ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price
MMBTA42,215 DISTI # 771-MMBTA42215
Nexperia Bipolar Transistors - BJT TRANS SW TAPE-7 RoHS: Compliant 0
  • 1 $0.2500
  • 10 $0.1660
  • 100 $0.0690
  • 1000 $0.0470
  • 3000 $0.0370
  • 9000 $0.0320
  • 24000 $0.0300
  • 45000 $0.0280
  • 99000 $0.0240
MMBTA42 DISTI # 512-MMBTA42
ON Semiconductor Bipolar Transistors - BJT SOT-23 NPN HIGH VOLT RoHS: Compliant 8866
  • 1 $0.3300
  • 10 $0.2190
  • 100 $0.0920
  • 1000 $0.0620
  • 3000 $0.0490
  • 9000 $0.0420
  • 24000 $0.0390
  • 45000 $0.0370
  • 99000 $0.0320
MMBTA42 DISTI # 511-MMBTA42
STMicroelectronics Bipolar Transistors - BJT NPN General Purpose RoHS: Compliant 0  
MMBTA42LT1G DISTI # 863-MMBTA42LT1G
ON Semiconductor Bipolar Transistors - BJT 500mA 300V NPN RoHS: Compliant 71586
  • 1 $0.1700
  • 10 $0.1520
  • 100 $0.0540
  • 1000 $0.0360
  • 3000 $0.0280
  • 9000 $0.0240
  • 24000 $0.0220
  • 45000 $0.0190
MMBTA42LT3G DISTI # 863-MMBTA42LT3G
ON Semiconductor Bipolar Transistors - BJT 500mA 300V NPN RoHS: Compliant 13635
  • 1 $0.1700
  • 10 $0.1520
  • 100 $0.0540
  • 1000 $0.0360
  • 2500 $0.0280
  • 10000 $0.0240
MMBTA42-7-F DISTI # 621-MMBTA42-F
Diodes Incorporated Bipolar Transistors - BJT 300V 300mW RoHS: Compliant 391
  • 1 $0.2300
  • 10 $0.1520
  • 100 $0.0630
  • 1000 $0.0430
  • 3000 $0.0340
MMBTA42-TP DISTI # 833-MMBTA42-TP
Micro Commercial Components Bipolar Transistors - BJT 300V RoHS: Compliant 0
  • 1 $0.2200
  • 10 $0.2030
  • 100 $0.0610
  • 1000 $0.0420
  • 3000 $0.0320
  • 9000 $0.0270
  • 24000 $0.0260
  • 45000 $0.0240
  • 99000 $0.0210
MMBTA 42 LT1 DISTI # 726-MMBTA42LT1
Infineon Technologies AG Bipolar Transistors - BJT AF GP BJT NPN 300V 0.5A RoHS: Compliant 0
  • 1 $0.3700
  • 10 $0.2500
  • 100 $0.1040
  • 1000 $0.0710
  • 3000 $0.0560
  • 9000 $0.0480
  • 24000 $0.0450
  • 45000 $0.0420
  • 99000 $0.0370
MMBTA42LT1HTSA1 DISTI # 726-MMBTA42LT1HTSA1
Infineon Technologies AG Bipolar Transistors - BJT AF GP BJT NPN 300V 0.5A RoHS: Compliant 0  
MMBTA42LT1 DISTI # 863-MMBTA42LT1
ON Semiconductor Bipolar Transistors - BJT 500mA 200V NPN RoHS: Not compliant 0  
MMBTA42-7 DISTI # 621-MMBTA42
Diodes Incorporated Bipolar Transistors - BJT 300V 300mW RoHS: Not compliant 0  
MMBTA42 T/R DISTI # 771-MMBTA42-T/R
NXP Semiconductors Bipolar Transistors - Pre-Biased TRANS SW TAPE-7 RoHS: Compliant 0  
MMBTA42LT3 DISTI # 863-MMBTA42LT3
ON Semiconductor Bipolar Transistors - BJT 500mA 200V NPN RoHS: Not compliant 0  
MMBTA42-T DISTI # 833-MMBTA42-T
Micro Commercial Components Bipolar Transistors - BJT 300V RoHS: Not compliant 0  
MMBTA42_D87Z DISTI # 512-MMBTA42D87Z
ON Semiconductor Bipolar Transistors - BJT NPN Transistor High Voltage RoHS: Compliant 0  

View All Results From Mouser Electronics

Onlinecomponents.com ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price
MMBTA42LT1
ON Semiconductor Trans GP BJT NPN 300V 0.05A 3-Pin SOT-23 T/R RoHS: Not compliant 4662 In Stock
  • 50000 $0.0450
  • 25000 $0.0490
  • 10000 $0.0600
  • 5000 $0.0700
  • 2500 $0.0900
  • 1000 $0.1000
  • 500 $0.1500
  • 300 $0.1700
MMBTA42-7-F
Zetex / Diodes Inc Trans GP BJT NPN 300V 0.5A Automotive 3-Pin SOT-23 T/R RoHS: Compliant 32176 In Stock
  • 150000 $0.0208
  • 3000 $0.0210
  • 1000 $0.0408
  • 500 $0.0515
  • 100 $0.0927
  • 25 $0.1916
  • 10 $0.1967
  • 1 $0.2884

Bristol Electronics  

Part # Manufacturer Description Stock Price
MMBTA42
Fairchild Semiconductor Corporation   15152  
MMBTA42
Fairchild Semiconductor Corporation   745
  • 45 $0.1125
  • 135 $0.0750
  • 468 $0.0188
MMBTA42
National Semiconductor Corporation   500
  • 45 $0.1125
  • 135 $0.0750
  • 468 $0.0188
MMBTA42
Fairchild Semiconductor Corporation   185
  • 45 $0.1125
  • 135 $0.0750
MMBTA42
National Semiconductor Corporation   210  
MMBTA42
STMicroelectronics   300
  • 45 $0.1125
  • 135 $0.0750
MMBTA42-TP
Micro Commercial Components   2762  
MMBTA42-7
Diodes Incorporated   3091  
MMBTA42LT3G
ON Semiconductor   1855  
MMBTA42LT1G
ON Semiconductor   7250
  • 89 $0.0563
  • 268 $0.0375
  • 935 $0.0094
MMBTA42LT1G
ON Semiconductor   12727  
MMBTA42LT1G
ON Semiconductor   1046  
MMBTA42LT1
Motorola Semiconductor Products   3184
  • 89 $0.0563
  • 268 $0.0375
  • 935 $0.0094
MMBTA42LT1
Infineon Technologies AG   2921  
MMBTA42LT1
ON Semiconductor   22751  

View All Results From Bristol Electronics

Quest Components  

Part # Manufacturer Description Stock Price
MMBTA42
STMicroelectronics Bipolar Junction Transistor, NPN Type, SOT-23 2319
  • 1539 $0.0234
  • 193 $0.0325
  • 1 $0.0650
MMBTA42
Fairchild Semiconductor Corporation Bipolar Junction Transistor, NPN Type, SOT-23 1782
  • 1539 $0.0234
  • 193 $0.0325
  • 1 $0.0650
MMBTA42
Fairchild Semiconductor Corporation Bipolar Junction Transistor, NPN Type, SOT-23 1380
  • 193 $0.0325
  • 78 $0.0520
  • 1 $0.0650
MMBTA42
Diodes Incorporated Bipolar Junction Transistor, NPN Type, SOT-23 424
  • 193 $0.0325
  • 78 $0.0520
  • 1 $0.0650
MMBTA42
Motorola Semiconductor Products Bipolar Junction Transistor, NPN Type, SOT-23 29
  • 1 $0.0650
MMBTA42
Freescale Semiconductor Bipolar Junction Transistor, NPN Type, SOT-23 744
  • 201 $0.0500
  • 34 $0.1000
  • 1 $0.1500
MMBTA42
National Semiconductor Corporation Bipolar Junction Transistor, NPN Type, SOT-23 400
  • 201 $0.0500
  • 34 $0.1000
  • 1 $0.1500
MMBTA42
STMicroelectronics Bipolar Junction Transistor, NPN Type, SOT-23 240
  • 201 $0.0500
  • 34 $0.1000
  • 1 $0.1500
MMBTA42
National Semiconductor Corporation Bipolar Junction Transistor, NPN Type, SOT-23 1282
  • 334 $0.1000
  • 41 $0.1500
  • 1 $0.5000
MMBTA42
Fairchild Semiconductor Corporation Bipolar Junction Transistor, NPN Type, SOT-23 1844
  • 1430 $0.0105
  • 287 $0.0350
  • 1 $0.1050
MMBTA42-7
Diodes Incorporated TRANSISTOR NPN 300V SOT-23 3207
  • 1001 $0.0150
  • 201 $0.0500
  • 1 $0.1500
MMBTA42-7-F
Diodes Incorporated 500 mA, 300 V, NPN, Si, SMALL SIGNAL TRANSISTOR 6342
  • 1001 $0.0150
  • 201 $0.0500
  • 1 $0.1500
MMBTA42-7-F
Diodes Incorporated 500 mA, 300 V, NPN, Si, SMALL SIGNAL TRANSISTOR 2400
  • 1001 $0.0150
  • 201 $0.0500
  • 1 $0.1500
MMBTA42-RTK
KEC 42-RTK 3000
  • 1 $0.0350
MMBTA42LT1
ON Semiconductor Bipolar Junction Transistor, NPN Type, SOT-23 42986
  • 17095 $0.0182
  • 1539 $0.0234
  • 1 $0.0650

View All Results From Quest Components

RS Components  

Part # Manufacturer Description Stock Price
MMBTA42-7-F DISTI # 7114904P
Zetex / Diodes Inc TRANSISTOR NPN 300V 0.5A SOT23, RL 7050
  • 250 £0.0660
  • 500 £0.0440
  • 1000 £0.0310
  • 2500 £0.0310
SMMBTA42LT3G DISTI # 7815256P
ON Semiconductor TRANSISTOR NPN 300V 500MA AUTOMOTIVE SOT, RL 8050
  • 100 £0.0880
MMBTA42LT1G DISTI # 5450438P
ON Semiconductor TRANSISTOR NPN 300V 500MA HFE40 SOT23, RL 14450
  • 250 £0.0390
MMBTA42LT1G DISTI # 5450438
ON Semiconductor TRANSISTOR NPN 300V 500MA HFE40 SOT23, PK 4350
  • 50 £0.0860
  • 250 £0.0390
SMMBTA42LT3G DISTI # 7815256
ON Semiconductor TRANSISTOR NPN 300V 500MA AUTOMOTIVE SOT, TA 2150
  • 50 £0.2050
  • 100 £0.0880
MMBTA42,215 DISTI # 7258613P
Nexperia TRANS GP BJT NPN 300V 0.2A 3PIN TO236AB, RL 2750
  • 100 £0.1250
  • 250 £0.1060
  • 500 £0.0910
  • 1000 £0.0800

ComS.I.T.  

Part # Manufacturer Description Stock Price
MMBTA42LT1
ON Semiconductor   RoHS: Not Compliant Europe - 2795  

Chip One Exchange  

Part # Manufacturer Description Stock Price
MMBTA42
National Semiconductor Corporation INSTOCK 1082  
MMBTA42
Fairchild Semiconductor Corporation INSTOCK 800  
MMBTA42
Fairchild Semiconductor Corporation INSTOCK 88324  
MMBTA42
Infineon Technologies AG INSTOCK 848  
MMBTA42
Fairchild Semiconductor Corporation INSTOCK 2890  
MMBTA42
MEI Micro Electronic Instrument INSTOCK 7091  
MMBTA42
STMicroelectronics INSTOCK 3000  
MMBTA42
Fairchild Semiconductor Corporation INSTOCK 6208  
MMBTA42LT3G
ON Semiconductor INSTOCK 17587  
MMBTA42LT1G
ON Semiconductor INSTOCK 53603  
MMBTA42LT1G
ON Semiconductor INSTOCK 4  
MMBTA42LT1G
ON Semiconductor INSTOCK 10310  
MMBTA42LT1
ON Semiconductor INSTOCK 5061  
MMBTA42LT1
63 INSTOCK 255104  
MMBTA42LTI-GE
Philips Semiconductors INSTOCK 27436  

View All Results From Chip One Exchange

Farnell element14 ECIA (NEDA) Member • Authorized Distributor

Part # Manufacturer Description Stock Price
MMBTA42 DISTI # 1467925
STMicroelectronics TRANSISTOR, NPN, SMD, SOT-23 RoHS: Compliant 0
  • 1 £0.1680
  • 25 £0.1330
  • 100 £0.0625
  • 250 £0.0578
  • 500 £0.0571
MMBTA42 DISTI # 9846735
ON Semiconductor TRANSISTOR, NPN, SOT-23 RoHS: Compliant 17018
  • 5 £0.1890
  • 25 £0.1840
  • 100 £0.0751
  • 250 £0.0694
  • 500 £0.0531
MMBTA42 DISTI # 2114871
Nexperia TRANS, NPN, 300V, 100MA, SOT23 RoHS: Compliant 24984
  • 5 £0.1670
  • 25 £0.1490
  • 100 £0.0678
  • 250 £0.0630
  • 500 £0.0618
SMMBTA42LT1G DISTI # 2774804
ON Semiconductor TRANSISTOR, AEC-Q101, NPN, 300V, SOT-23 RoHS: Compliant 10475
  • 5 £0.3020
  • 25 £0.2920
  • 100 £0.1200
MMBTA42. DISTI # 2370919
ON Semiconductor TRANSISTOR, FULL REEL RoHS: Compliant 33000
  • 3000 £0.0413
  • 6000 £0.0387
  • 12000 £0.0369
  • 18000 £0.0360
MMBTA42LT1G DISTI # 2317845
ON Semiconductor TRANSISTOR, NPN, 300V, 500MA, SOT-23-3 RoHS: Compliant 36000
  • 3000 £0.0236
  • 9000 £0.0190
MMBTA42,215 DISTI # 1757937
Nexperia TRANS NPN 300V 0.1A SOT23 RoHS: Compliant 865
  • 5 £0.1500
  • 25 £0.1340
  • 100 £0.0610
  • 250 £0.0567
  • 500 £0.0557
MMBTA42-TP DISTI # 2370995
Micro Commercial Components BJT, NPN, 300VDC, SOT-23, FULL REEL RoHS: Compliant 0
  • 3000 £0.0573
  • 6000 £0.0475
  • 12000 £0.0426
  • 18000 £0.0393

Chip1Stop Authorized Distributor

Part # Manufacturer Description Stock Price
SMMBTA42LT1G DISTI # C1S541901224514
ON Semiconductor Trans GP BJT NPN 300V 0.5A 300mW Automotive 3-Pin SOT-23 T/R RoHS: Compliant 49
  • 10 $0.2770
  • 1 $1.1800
SMMBTA42LT1G DISTI # C1S541900816983
ON Semiconductor Trans GP BJT NPN 300V 0.5A 300mW Automotive 3-Pin SOT-23 T/R RoHS: Compliant 15000
  • 250 $0.1085
  • 100 $0.1096
  • 25 $0.2587
MMBTA42-7-F DISTI # C1S205700028619
Diodes Incorporated Trans GP BJT NPN 300V 0.5A 300mW Automotive 3-Pin SOT-23 T/R RoHS: Compliant 8178
  • 3000 $0.0220
  • 1000 $0.0253
  • 500 $0.0501
  • 200 $0.0509
  • 100 $0.0628
  • 50 $0.1500
MMBTA42LT1G DISTI # C1S541900121423
ON Semiconductor Trans GP BJT NPN 300V 0.5A 300mW Automotive 3-Pin SOT-23 T/R RoHS: Compliant 23324
  • 250 $0.0497
  • 100 $0.0529
MMBTA42LT3G DISTI # C1S541900205549
ON Semiconductor Trans GP BJT NPN 300V 0.5A 300mW Automotive 3-Pin SOT-23 T/R RoHS: Compliant 30000
  • 10000 $0.0217

element14 Asia-Pacific Authorized Distributor

Part # Manufacturer Description Stock Price
MMBTA42 DISTI # 9846735
ON Semiconductor TRANSISTOR, NPN, SOT-23 RoHS: Compliant 17138
  • 1 $0.5220
  • 10 $0.3470
  • 100 $0.1460
  • 1000 $0.0980
  • 3000 $0.0780
  • 9000 $0.0670
  • 24000 $0.0620
  • 45000 $0.0590
MMBTA42 DISTI # 9846735RL
ON Semiconductor TRANSISTOR, NPN, SOT-23 RoHS: Compliant 0
  • 1 $0.5220
  • 10 $0.3470
  • 100 $0.1460
  • 1000 $0.0980
  • 3000 $0.0780
  • 9000 $0.0670
  • 24000 $0.0620
  • 45000 $0.0590
SMMBTA42LT1G DISTI # 2774804
ON Semiconductor TRANSISTOR, AEC-Q101, NPN, 300V, SOT-23 RoHS: Compliant 10475
  • 5 $0.4510
  • 25 $0.3610
  • 100 $0.1930
  • 250 $0.1460
  • 500 $0.1180
  • 1000 $0.1000
  • 5000 $0.0950
MMBTA42LT1G DISTI # 1459111RL
ON Semiconductor TRANSISTOR, NPN, SOT-23 RoHS: Compliant 0
  • 1 $0.2690
  • 10 $0.2410
  • 100 $0.0860
  • 1000 $0.0570
  • 3000 $0.0450
  • 9000 $0.0380
  • 24000 $0.0350
  • 45000 $0.0310
MMBTA42LT1G DISTI # 1459111
ON Semiconductor TRANSISTOR, NPN, SOT-23 RoHS: Compliant 20100
  • 1 $0.2690
  • 10 $0.2410
  • 100 $0.0860
  • 1000 $0.0570
  • 3000 $0.0450
  • 9000 $0.0380
  • 24000 $0.0350
  • 45000 $0.0310
MMBTA42,215 DISTI # 2114871
Nexperia TRANS, NPN, 300V, 100MA, SOT23 RoHS: Compliant 19700
  • 1 $0.2790
  • 10 $0.2330
  • 100 $0.1500
  • 250 $0.1200
  • 500 $0.1020
  • 1000 $0.0870
  • 3000 $0.0820
  • 9000 $0.0760
MMBTA42. DISTI # 2370919
ON Semiconductor TRANSISTOR, FULL REEL RoHS: Compliant 33000
  • 3000 $0.2490
MMBTA42LT1G DISTI # 2317845
ON Semiconductor TRANSISTOR, NPN, 300V, 500MA, SOT-23-3 RoHS: Compliant 36000
  • 3000 $0.0500
  • 6000 $0.0460
  • 15000 $0.0400
  • 30000 $0.0360
  • 75000 $0.0320
  • 150000 $0.0270

New Advantage Corporation  

Part # Manufacturer Description Stock Price
MMBTA42 DISTI # XSFP00000075908
Fairchild Semiconductor Corporation   RoHS: Compliant 6057
  • 6000 $0.0602
  • 6057 $0.0547
SMMBTA42LT3G DISTI # XSFP00000137369
ON SEMICONDUCTOR SmallSignalBipolarTransistor,0.5AI(C),300VV(BR)CEO,1-Element,NPN,Silicon,TO-236AB RoHS: Compliant 148060
  • 10000 $0.1162
  • 148060 $0.1056
MMBTA42LT1G DISTI # XSFP00000004592
ON SEMICONDUCTOR SmallSignalBipolarTransistor,0.5AI(C),300VV(BR)CEO,1-Element,NPN,Silicon,TO-236AB RoHS: Compliant 1506174
  • 6000 $0.0352
  • 1506174 $0.0320
Relative Products
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