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	Availability ⓘ (▲▼)	Price(AUD) (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

2N5550TA

Fairchild Semiconductor Bipolar Transistors - BJT NPN Si Transistor Epitaxial
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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

13580
Ships to you
between Thu. 02 Jul to Wed. 08 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11
29	12	13	14	15	16	17	18
30	19	20	21	22	23	24	25
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.0507

Multiples of: 2000

Through Hole

TO - 92 - 3 K in KED LEAD

Npn

Single

0.6 A

140 V

160 V

6 V

0.25 V

625 mW

300 Mhz

- 55 C

+ 150 C

2N5550

Ammo Pack

KSC945CYTA

Bipolar (BJT) Transistor NPN 50 V 150 mA 300MHz 250 mW Through Hole TO-92-3
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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

13580
Ships to you
between Thu. 02 Jul to Wed. 08 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11
29	12	13	14	15	16	17	18
30	19	20	21	22	23	24	25
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.0552

Multiples of: 2000

Through Hole

TO - 92 - 3 K in KED LEAD

Npn

Single

0.15 A

50 V

60 V

5 V

0.15 V

250 mW

300 Mhz

- 55 C

+ 150 C

Ksc945

Ammo Pack

KSP10TA

Transistors Bipolar - BJT NPN Si Transistor Epitaxial
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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

13580
Ships to you
between Thu. 02 Jul to Wed. 08 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11
29	12	13	14	15	16	17	18
30	19	20	21	22	23	24	25
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.059

Multiples of: 2000

Through Hole

TO - 92 - 3 K in KED LEAD

Npn

Single

25 V

30 V

3 V

350 mW

650 Mhz

- 55 C

+ 150 C

Ksp10

Ammo Pack

SS8550CTA

Bipolar (BJT) Transistor PNP 25 V 1.5 A 200MHz 1 W Through Hole TO-92-3
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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

13580
Ships to you
between Thu. 02 Jul to Wed. 08 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11
29	12	13	14	15	16	17	18
30	19	20	21	22	23	24	25
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.0849

Multiples of: 2000

Through Hole

TO - 92 - 3 K in KED LEAD

Pnp

Single

1.5 A

- 25 V

- 40 V

- 6 V

- 0.28 V

1 W

200 Mhz

- 65 C

+ 150 C

Ss8550

Ammo Pack

MPS4124RLRAG

Bipolar Transistors - BJT 200mA 30V NPN
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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

13580
Ships to you
between Thu. 02 Jul to Wed. 08 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11
29	12	13	14	15	16	17	18
30	19	20	21	22	23	24	25
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.1316

Multiples of: 1

Through Hole

TO - 92 - 3 (TO - 226)

Npn

Single

0.2 A

25 V

30 V

5 V

0.3 V

170 Mhz

- 55 C

+ 150 C

Mps4124

Reel

2N3904TF

Transistors Bipolar - BJT NPN 40V 200mA
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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

11640
Ships to you
between Thu. 02 Jul to Wed. 08 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11
29	12	13	14	15	16	17	18
30	19	20	21	22	23	24	25
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.0555

Multiples of: 2000

Through Hole

TO - 92 - 3 K in KED LEAD

Npn

Single

0.2 A

40 V

60 V

6 V

0.3 V

300 Mhz

- 55 C

+ 150 C

2N3904

Reel

2N3904TAR

Bipolar Transistors - BJT NPN Transistor General Purpose
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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

9700
Ships to you
between Thu. 02 Jul to Wed. 08 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11
29	12	13	14	15	16	17	18
30	19	20	21	22	23	24	25
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.0526

Multiples of: 2000

Through Hole

TO - 92 - 3 K in KED LEAD

Npn

Single

0.2 A

40 V

60 V

6 V

0.3 V

625 mW

300 Mhz

- 55 C

+ 150 C

2N3904

Ammo Pack

2N5550TAR

Bipolar (BJT) Transistor NPN 140 V 600 mA 300MHz 625 mW Through Hole TO-92-3
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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

7760
Ships to you
between Thu. 02 Jul to Wed. 08 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11
29	12	13	14	15	16	17	18
30	19	20	21	22	23	24	25
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.0645

Multiples of: 2000

Through Hole

TO - 92 - 3 K in KED LEAD

Npn

Single

0.6 A

140 V

160 V

6 V

0.25 V

625 mW

300 Mhz

- 55 C

+ 150 C

2N5550

Ammo Pack

2N5551TFR

Transistors Bipolar - BJT NPN Transistor General Purpose
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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

1940
Ships to you
between Thu. 02 Jul to Wed. 08 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11
29	12	13	14	15	16	17	18
30	19	20	21	22	23	24	25
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.0663

Multiples of: 1

Through Hole

TO - 92 - 3 K in KED LEAD

Npn

Single

0.6 A

160 V

180 V

6 V

0.2 V

300 Mhz

- 55 C

+ 150 C

2N5551

Reel

PBSS4540Z,115

Transistors Bipolar - BJT NPN 40V 5A
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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

957
Ships to you
between Thu. 16 Jul to Tue. 21 Jul

July 2026