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

BC847BLT1G

Bipolar Transistors - BJT 100mA 50V 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

369434
Ships to you
between Fri. 09 Oct to Wed. 14 Oct

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.0162

Multiples of: 20

Smd/Smt

SOT - 23 - 3

Npn

Single

0.1 A

45 V

50 V

6 V

0.6 V

225 mW

100 Mhz

- 55 C

+ 150 C

Bc847bl

Cut Tape

BC817-16,215

Transistors Bipolar - BJT NPN 45V 500mA
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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

365544
Ships to you
between Fri. 09 Oct to Wed. 14 Oct

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.0116

Multiples of: 50

Smd/Smt

SOT - 23

Npn

Single

0.5 A

45 V

50 V

5 V

100 Mhz

- 65 C

+ 150 C

Reel

MMBT5551

Bipolar (BJT) Transistor NPN 160 V 600 mA 100MHz 350 mW Surface Mount SOT-23-3
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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

363175
Ships to you
between Fri. 25 Sep to Thu. 01 Oct

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.0577

Multiples of: 1

Smd/Smt

SOT - 23

Npn

Single

0.6 A

160 V

180 V

6 V

0.2 V

300 Mhz

- 55 C

+ 150 C

Mmbt5551

Reel

CXT5551

160V 500mW 300@10mA,5V 600mA NPN SOT-89 Bipolar (BJT) ROHS
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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.

hongjiacheng

358298
Ships to you
between Fri. 09 Oct to Wed. 14 Oct

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.0295

Multiples of: 20

MMBT5401

150V 225mW 500mA 100@10mA,5V 100MHz 500mV@50mA,5mA -55℃~+150℃@(Tj) SOT-23 Bipolar Transistors - BJT ROHS
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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.

JSMSEMI

355796
Ships to you
between Fri. 09 Oct to Wed. 14 Oct

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.0094

Multiples of: 50

MMBT 3906 LT1

Transistors Bipolar - BJT AF TRANS GP BJT PNP 40V 0.2A
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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.

Infineon

354789
Ships to you
between Thu. 01 Oct to Mon. 05 Oct

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.0754

Multiples of: 1

Smd/Smt

SOT - 23

Pnp

Single

0.2 A

40 V

6 V

0.4 V

330 mW

250 Mhz (Min)

- 65 C

+ 150 C

Mmbt3906

Reel

BC847BWT1G

Transistors Bipolar - BJT 100mA 50V 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

349200
Ships to you
between Fri. 25 Sep to Thu. 01 Oct

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.0407

Multiples of: 30000

Smd/Smt

SC - 70 - 3

Npn

Single

0.1 A

45 V

50 V

6 V

0.6 V

100 Mhz

- 55 C

+ 150 C

Bc847bw

Reel

KST2907AMTF

Transistors Bipolar - BJT PNP 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

344711
Ships to you
between Fri. 25 Sep to Thu. 01 Oct

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.0421

Multiples of: 1

Smd/Smt

SOT - 23

Pnp

Single

0.6 A

- 60 V

- 5 V

- 1.6 V

200 Mhz

+ 150 C

Kst2907

Reel

BC847B,215

Transistors Bipolar - BJT NPN/PNP 45V 100MA
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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

335717
Ships to you
between Fri. 09 Oct to Wed. 14 Oct

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.0085

Multiples of: 50

Smd/Smt

SOT - 23

Npn

Single

0.1 A

45 V

50 V

6 V

250 mW

100 Mhz

- 65 C

+ 150 C

Reel

MMBT5551-TP

Bipolar (BJT) Transistor NPN 160 V 600 mA 100MHz 300 mW Surface Mount SOT-23
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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.

Micro Commercial Components (MCC)

291000
Ships to you
between Fri. 25 Sep to Thu. 01 Oct

October 2026