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

MMBT3904

Transistors (NPN/PNP) NPN 200mA 40V 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 : 143987
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
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 0.0143

Multiples of: 1

BC847BT-7-F

Bipolar Transistors - BJT NPN BIPOLAR

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 : 136770
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 0.019

Multiples of: 3000

Smd/Smt

SOT - 523 - 3

Npn

Single

100 mA

45 V

50 V

6 V

600 mV

150 mW

100 Mhz

- 55 C

+ 150 C

Bc847b

Cut Tape

MMBTA 06 LT1

Transistors Bipolar - BJT AF TRANS GP BJT NPN 80V 0.5A

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 : 130761
Ship by Tue. 22 Jul to Thu. 24 Jul

July 2025

July 2025
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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 0.0451

Multiples of: 1

Smd/Smt

SOT - 23

Npn

Single

0.5 A

80 V

4 V

0.25 V

330 mW

100 Mhz (Typ)

- 65 C

+ 150 C

Mmbta

Reel

SS8550

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.

JSMSEMI

Availability : 130707
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 0.0046

Multiples of: 50

CMPT3904G TR

Transistors Bipolar - BJT NPN Gen Purpose

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.

Central Semiconductor

Availability : 129161
Ship by Tue. 22 Jul to Thu. 24 Jul

July 2025

July 2025
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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 0.1872

Multiples of: 1

Smd/smt

SOT - 23

Npn

Single

200 mA

40 V

60 V

6 V

0.3 V

350 mW

300_Mhz

- 65 C

+ 150 C

Cmpt3904g

Reel

BC847C

45V 200mW 420@2mA,5.0V 100mA NPN 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.

hongjiacheng

Availability : 128942
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

2N3904S-RTK/PS

Transistors (NPN/PNP) NPN 200mA 40V 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.

KEC

Availability : 128419
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
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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 0.0062

Multiples of: 25

PBSS5140T,215

Transistors Bipolar - BJT PNP 40V 1A

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 : 127108
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 0.0188

Multiples of: 20

Smd/Smt

SOT - 23

Pnp

Single

- 2 A

- 40 V

40 V

- 5 V

150 Mhz

- 65 C

+ 150 C

Reel

PMBT2369,235

NXP Semiconductors Bipolar Transistors - BJT TRANS GP TAPE-11

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 : 126100
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 0.0182

Multiples of: 1

Smd/Smt

SOT - 23

Npn

Single

0.2 A

15 V

40 V

5 V

250 mW

500 Mhz

- 65 C

+ 150 C

Reel

DST847BPDP6-7

Transistors Bipolar - BJT BIPOLAR TRANS COMP

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 : 126100
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 0.0656

Multiples of: 10000

Smd/Smt

SOT - 963

Npn

Dual

100 mA

45 V

50 V

6 V

300 mV , - 500 mV

250 mW

175 mhz, 340 mhz

+ 150 C

Dst847b

Reel

MMBT3904

Transistors (NPN/PNP) NPN 200mA 40V 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 : 125954
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 0.0046

Multiples of: 50

2SC1623

50V 200mW 100mA NPN 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.

Yongyutai Electronics

Availability : 125615
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 0.0035

Multiples of: 50

BC817-40W,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 : 124839
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 0.01

Multiples of: 50

Smd/Smt

SOT - 323

Npn

Single

0.5 A

45 V

50 V

5 V

200 mW

100 Mhz

- 65 C

+ 150 C

Reel

BC847BPN,115

Transistors Bipolar - BJT NPN/PNP 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 : 124586
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 0.0169

Multiples of: 20

Smd/Smt

SOT - 363

Npn/Pnp

Dual

0.1 A

45 V

50 V

5 V

300 mV

200 mW

100 Mhz

- 65 C

+ 150 C

Reel

MMBTA44

Transistors (NPN/PNP) NPN 200mA 400V 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.

Changjing Electronics Technology

Availability : 123598
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 0.0268

Multiples of: 10

ZXTN4006ZTA

Diodes Incorporated Bipolar Transistors - BJT Pwr Hi Voltage Trans SOT89 T&R 1K

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 : 122615
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 0.1419

Multiples of: 1

Smd/smt

SOT - 89

Npn

Single

0.5 A

200 V

7 V

1.5 W

- 55 C

+ 150 C

Zxtn4006

Reel

MMBT2222LT1G

Transistors Bipolar - BJT SS SOT23 GP XSTR NPN 30V

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 : 122220
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 0.0161

Multiples of: 3000

Smd/Smt

SOT - 23 - 3

Npn

Single

0.6 A

30 V

60 V

5 V

1.6 V

250 Mhz

- 55 C

+ 150 C

Mmbt2222l

Reel

MMBT3904

40V 200mW 100@100mA,1V 200mA NPN 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.

Yongyutai Electronics

Availability : 115042
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 0.0032

Multiples of: 50

MMBT5401

Transistors (NPN/PNP) PNP 600mA 150V 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 : 13603
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 0.0187

Multiples of: 1

PBSS5240T,215

Transistors Bipolar - BJT PNP 40V 2A

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 : 2822
Ship by Thu. 07 Aug to Tue. 12 Aug

August 2025