About Bipolar Transistors - BJT

Bipolar Transistors - BJT

Bipolar junction transistors (BJTs) are a type of transistor used in electronics and signal processing circuits. They are composed of two pn-junctions in a three-terminal device. In the most common configuration, the BJT acts as an amplifier and can be used to amplify both voltage and current. BJTs can also be used in a switching configuration, where they are used to control the flow of current in a circuit. BJTs are versatile and can be used in a wide range of applications, from computers and consumer electronics to industrial and medical control systems.

Bipolar Transistors - BJT

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Image	Stock Code(▲▼)	Description	Manufacturer	Global Stock ⓘ (▲▼)	Price(USD) (Ex. GST)(▲▼)	Enter Qty	Technology	Mounting Style	Package / Case	Transistor Polarity	Configuration	Maximum DC Collector Current	Collector- Emitter Voltage VCEO Max	Collector- Base Voltage VCBO	Emitter- Base Voltage VEBO	Collector-Emitter Saturation Voltage	Pd - Power Dissipation	Gain Bandwidth Product fT	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Series	Packaging

MMBT3904T-7-F

Bipolar (BJT) Transistor NPN 40 V 200 mA 300MHz 150 mW Surface Mount SOT-523

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Diodes Incorporated

Availability : 139447
Ship by Thu. 07 Aug to Tue. 12 Aug

August 2025

August 2025
	S	M	T	W	T	F	S
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9
33	10	11	12	13	14	15	16
34	17	18	19	20	21	22	23
35	24	25	26	27	28	29	30
36	31	1	2	3	4	5	6

USD 0.0129

Multiples of: 20

Smd/Smt

SOT - 523

Npn

Single

0.2 A

40 V

60 V

6 V

0.3 V

300 Mhz

- 55 C

+ 150 C

Mmbt3904

Reel

MPS2907ARLRA

Trans GP BJT PNP 60V 0.6A 3-Pin TO-92 T/R

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor

Availability : 139404
Ship by Thu. 24 Jul to Wed. 30 Jul

July 2025

July 2025
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27	29	30	1	2	3	4	5
28	6	7	8	9	10	11	12
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30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9

USD 0.3118

Multiples of: 1

BC817W,115

Bipolar (BJT) Transistor NPN 45 V 500 mA 100MHz 200 mW Surface Mount SOT-323

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Nexperia

Availability : 139253
Ship by Thu. 07 Aug to Tue. 12 Aug

August 2025

August 2025
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31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9
33	10	11	12	13	14	15	16
34	17	18	19	20	21	22	23
35	24	25	26	27	28	29	30
36	31	1	2	3	4	5	6

USD 0.0108

Multiples of: 20

Smd/Smt

SOT - 323

Npn

Single

0.5 A

45 V

50 V

5 V

100 Mhz

- 65 C

+ 150 C

Reel

SMBT2222AE6327HTSA1

Infineon Technologies Bipolar Transistors - BJT AF GP BJT NPN 40V 0.6A

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Infineon

Availability : 138391
Ship by Tue. 22 Jul to Thu. 24 Jul

July 2025

July 2025
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27	29	30	1	2	3	4	5
28	6	7	8	9	10	11	12
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30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9

USD 0.033

Multiples of: 1

NPN

Reel

S9013 J3

SOT-23 Bipolar Transistors - BJT ROHS

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

FOSAN

Availability : 137650
Ship by Thu. 07 Aug to Tue. 12 Aug

August 2025

August 2025
	S	M	T	W	T	F	S
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9
33	10	11	12	13	14	15	16
34	17	18	19	20	21	22	23
35	24	25	26	27	28	29	30
36	31	1	2	3	4	5	6

USD 0.0071

Multiples of: 50

PMBT3906,235

Bipolar (BJT) Transistor PNP 40 V 200 mA 250MHz 250 mW Surface Mount TO-236AB

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Nexperia

Availability : 135800
Ship by Thu. 24 Jul to Wed. 30 Jul

July 2025

July 2025
	S	M	T	W	T	F	S
27	29	30	1	2	3	4	5
28	6	7	8	9	10	11	12
29	13	14	15	16	17	18	19
30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9

USD 0.009

Multiples of: 10000

Smd/Smt

SOT - 23

Pnp

Single

0.2 A

40 V

6 V

250 Mhz

- 65 C

+ 150 C

Reel

Hot

BC807-40,235

Bipolar (BJT) Transistor PNP 45 V 500 mA 80MHz 250 mW Surface Mount TO-236AB

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Nexperia

Availability : 135800
Ship by Thu. 24 Jul to Wed. 30 Jul

July 2025

July 2025
	S	M	T	W	T	F	S
27	29	30	1	2	3	4	5
28	6	7	8	9	10	11	12
29	13	14	15	16	17	18	19
30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9

USD 0.0123

Multiples of: 10000

Smd/Smt

SOT - 23

Pnp

Single

0.5 A

45 V

50 V

5 V

250 mW

80 Mhz

- 65 C

+ 150 C

Reel

MMBT4401-13-F

Bipolar Transistors - BJT BIPOLAR TRANSISTOR NPN

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Diodes Incorporated

Availability : 135753
Ship by Tue. 22 Jul to Thu. 24 Jul

July 2025

July 2025
	S	M	T	W	T	F	S
27	29	30	1	2	3	4	5
28	6	7	8	9	10	11	12
29	13	14	15	16	17	18	19
30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9

USD 0.0154

Multiples of: 1

Smd/Smt

SOT - 23 - 3

Npn

Single

600 mA

40 V

60 V

6 V

750 mV

350 mW

250 Mhz

- 55 C

+ 150 C

Reel

ZXTP2025FTA

Bipolar (BJT) Transistor PNP 50 V 5 A 190MHz 1.2 W Surface Mount SOT-23-3

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Diodes Incorporated

Availability : 135683
Ship by Tue. 22 Jul to Thu. 24 Jul

July 2025

July 2025
	S	M	T	W	T	F	S
27	29	30	1	2	3	4	5
28	6	7	8	9	10	11	12
29	13	14	15	16	17	18	19
30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9

USD 0.2882

Multiples of: 1

Smd/smt

SOT - 23

Pnp

Single

5 A

50 V

7 V

190_Mhz

- 55 C

+ 150 C

Reel

PMP4201Y,115

Transistors Bipolar - BJT MATCHED PAIR

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Nexperia

Availability : 135276
Ship by Tue. 22 Jul to Thu. 24 Jul

July 2025

July 2025
	S	M	T	W	T	F	S
27	29	30	1	2	3	4	5
28	6	7	8	9	10	11	12
29	13	14	15	16	17	18	19
30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9

USD 0.1177

Multiples of: 1

Smd/Smt

SOT - 363

Npn

Dual

0.1 A

45 V

50 V

6 V

300 mW

250 Mhz

- 65 C

+ 150 C

Reel

HN1B04FE-GR,LF

Bipolar Transistors - BJT Transistor for Low Freq Sm-Signal Amp

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Toshiba

Availability : 134991
Ship by Tue. 22 Jul to Thu. 24 Jul

July 2025

July 2025
	S	M	T	W	T	F	S
27	29	30	1	2	3	4	5
28	6	7	8	9	10	11	12
29	13	14	15	16	17	18	19
30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9

USD 0.0363

Multiples of: 1

Smd/Smt

SOT - 563 - 6

Npn, Pnp

Dual

150 mA

50 V

60 v , - 50 V

5 V

100 mV

100 mW

80 Mhz, 80 Mhz

+ 150 C

Hn1b04

Cut Tape

STN83003

Transistor: NPN; bipolar; 400V; 1.5A; 1.6W; SOT223

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

STMicroelectronics

Availability : 133860
Ship by Thu. 24 Jul to Wed. 30 Jul

July 2025

July 2025
	S	M	T	W	T	F	S
27	29	30	1	2	3	4	5
28	6	7	8	9	10	11	12
29	13	14	15	16	17	18	19
30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9

USD 0.184

Multiples of: 1000

NPN

2SC1815

Transistors (NPN/PNP) PNP 150mA 50V SOT-23 (SOT-23-3) RoHS

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hottech

Availability : 132951
Ship by Thu. 07 Aug to Tue. 12 Aug

August 2025

August 2025
	S	M	T	W	T	F	S
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9
33	10	11	12	13	14	15	16
34	17	18	19	20	21	22	23
35	24	25	26	27	28	29	30
36	31	1	2	3	4	5	6

USD 0.0052

Multiples of: 50

PMBT4403,215

Bipolar (BJT) Transistor PNP 40 V 600 mA 200MHz 250 mW Surface Mount TO-236AB

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Nexperia

Availability : 131968
Ship by Thu. 07 Aug to Tue. 12 Aug

August 2025

August 2025
	S	M	T	W	T	F	S
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9
33	10	11	12	13	14	15	16
34	17	18	19	20	21	22	23
35	24	25	26	27	28	29	30
36	31	1	2	3	4	5	6

USD 0.0073

Multiples of: 50

Smd/Smt

SOT - 23

Pnp

Single

0.6 A

40 V

5 V

250 mW

200 Mhz

- 65 C

+ 150 C

Reel

MMBT3904

Bipolar Transistors - BJT SOT23 NPN 0.2A 40V G enPur

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Rectron

Availability : 131920
Ship by Thu. 24 Jul to Wed. 30 Jul

July 2025

July 2025
	S	M	T	W	T	F	S
27	29	30	1	2	3	4	5
28	6	7	8	9	10	11	12
29	13	14	15	16	17	18	19
30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9

USD 0.0173

Multiples of: 18000

BC850CMTF

Transistors Bipolar - BJT SOT-23 NPN GP AMP

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor

Availability : 131513
Ship by Thu. 24 Jul to Wed. 30 Jul

July 2025

July 2025
	S	M	T	W	T	F	S
27	29	30	1	2	3	4	5
28	6	7	8	9	10	11	12
29	13	14	15	16	17	18	19
30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9

USD 0.0326

Multiples of: 1

Smd/Smt

SOT - 23

Npn

Single

0.1 A

45 V

50 V

5 V

200 mV

300 Mhz

- 65 C

+ 150 C

Bc850

Reel

2SC5231A-9-TL-E

Trans RF BJT NPN 10V 0.07A 3-Pin(2+Tab) SMCP

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

ON Semiconductor

Availability : 130950
Ship by Thu. 24 Jul to Wed. 30 Jul

July 2025

July 2025
	S	M	T	W	T	F	S
27	29	30	1	2	3	4	5
28	6	7	8	9	10	11	12
29	13	14	15	16	17	18	19
30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9

USD 0.1919

Multiples of: 1

BC847BS,115

Transistors Bipolar - BJT NPN GP 100MA 45V

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Nexperia

Availability : 130659
Ship by Thu. 07 Aug to Tue. 12 Aug

August 2025

August 2025
	S	M	T	W	T	F	S
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9
33	10	11	12	13	14	15	16
34	17	18	19	20	21	22	23
35	24	25	26	27	28	29	30
36	31	1	2	3	4	5	6

USD 0.017

Multiples of: 20

Smd/Smt

SOT - 363

Npn

Dual

0.1 A

45 V

50 V

5 V

100 Mhz

- 65 C

+ 150 C

Reel

MMBT5551

Transistors (NPN/PNP) NPN 600mA 160V SOT-23 (SOT-23-3) RoHS

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Diotec

Availability : 14410
Ship by Tue. 22 Jul to Thu. 24 Jul

July 2025

July 2025
	S	M	T	W	T	F	S
27	29	30	1	2	3	4	5
28	6	7	8	9	10	11	12
29	13	14	15	16	17	18	19
30	20	21	22	23	24	25	26
31	27	28	29	30	31	1	2
32	3	4	5	6	7	8	9

USD 0.0198

Multiples of: 1

BC857AW-7-F

Bipolar (BJT) Transistor PNP 45 V 100 mA 200MHz 200 mW Surface Mount SOT-323

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Diodes Incorporated

Availability : 7847
Ship by Tue. 22 Jul to Thu. 24 Jul

July 2025