About Transistors

Transistors

A transistor is a semiconductor device that is commonly used to amplify or switch electronic signals. It consists of three terminals, normally referred to as the emitter, base and collector. The transistor operates in four main states: cutoff, forward active, reverse active and saturation. It acts as an electrical switch when forward biased, meaning a current is allowed to flow between the two terminals. When it is reverse biased, meaning the current flows in the opposite direction, the device is turned off. Transistors are used in amplifying circuits to amplify voltage, current, or even power. They are also used in digital logic circuits to switch between two or more stable states.

Transistors

Bipolar Transistors - BJT

Bipolar Transistors - Pre-Biased

Darlington Transistors

Digital Transistors

GaN FETs

IGBT Modules

IGBT Transistors

IGBTs

JFETs

MOSFETs

RF Transistors

SiC MOSFETs

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Image	Stock Code(▲▼)	Description	Manufacturer	Availability ⓘ (▲▼)	Price(AUD) (Ex. GST)(▲▼)	Enter Qty

BC817W

Transistors (NPN/PNP) NPN 500mA 45V SOT-323 (SC-70) 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.

Changjing Electronics Technology

2929
Ships to you
between Wed. 19 Aug to Mon. 24 Aug

August 2026

August 2026
	S	M	T	W	T	F	S
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8
33	9	10	11	12	13	14	15
34	16	17	18	19	20	21	22
35	23	24	25	26	27	28	29
36	30	31	1	2	3	4	5

AUD 0.0272

Multiples of: 20

PDTC143ZM

Digital Transistors NPN - Pre-Biased 100mA 50V SOT-723 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.

Prisemi

77
Ships to you
between Wed. 19 Aug to Mon. 24 Aug

August 2026

August 2026
	S	M	T	W	T	F	S
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8
33	9	10	11	12	13	14	15
34	16	17	18	19	20	21	22
35	23	24	25	26	27	28	29
36	30	31	1	2	3	4	5

AUD 0.0236

Multiples of: 20

MMBT3906W

SOT-323 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.

YFW Electronics

58
Ships to you
between Wed. 19 Aug to Mon. 24 Aug

August 2026

August 2026
	S	M	T	W	T	F	S
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8
33	9	10	11	12	13	14	15
34	16	17	18	19	20	21	22
35	23	24	25	26	27	28	29
36	30	31	1	2	3	4	5

AUD 0.0181

Multiples of: 20

MMDT3904-JSM

SOT-363 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.

JSMSEMI

58
Ships to you
between Wed. 19 Aug to Mon. 24 Aug

August 2026

August 2026
	S	M	T	W	T	F	S
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8
33	9	10	11	12	13	14	15
34	16	17	18	19	20	21	22
35	23	24	25	26	27	28	29
36	30	31	1	2	3	4	5

AUD 0.0191

Multiples of: 20

ECC3025052EU

TO-92-3 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.

Semtech

58
Ships to you
between Wed. 19 Aug to Mon. 24 Aug

August 2026

August 2026
	S	M	T	W	T	F	S
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8
33	9	10	11	12	13	14	15
34	16	17	18	19	20	21	22
35	23	24	25	26	27	28	29
36	30	31	1	2	3	4	5

AUD 0.0191

Multiples of: 20

LMUN5111T1G

Transistors (NPN/PNP) SC-70 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.

Leshan

58
Ships to you
between Wed. 19 Aug to Mon. 24 Aug

August 2026

August 2026
	S	M	T	W	T	F	S
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8
33	9	10	11	12	13	14	15
34	16	17	18	19	20	21	22
35	23	24	25	26	27	28	29
36	30	31	1	2	3	4	5

AUD 0.0199

Multiples of: 20

8550D(1.5A)

Transistors (NPN/PNP) NPN 1.5A 25V TO-92 (TO-92-3) 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.

Semtech

58
Ships to you
between Wed. 19 Aug to Mon. 24 Aug

August 2026

August 2026
	S	M	T	W	T	F	S
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8
33	9	10	11	12	13	14	15
34	16	17	18	19	20	21	22
35	23	24	25	26	27	28	29
36	30	31	1	2	3	4	5

AUD 0.0208

Multiples of: 20

8050T-D

Transistors (NPN/PNP) NPN 1.5A 25V SOT-89 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.

Blue Rocket

58
Ships to you
between Wed. 19 Aug to Mon. 24 Aug

August 2026

August 2026
	S	M	T	W	T	F	S
31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8
33	9	10	11	12	13	14	15
34	16	17	18	19	20	21	22
35	23	24	25	26	27	28	29
36	30	31	1	2	3	4	5

AUD 0.025

Multiples of: 20

DMN63D8L-HXY

30V 100mA 1.2 1PCSNChannel SOT-23 MOSFETs 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.

HXY MOS

0
6 to 16 Weeks

January 2027

January 2027
	S	M	T	W	T	F	S
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9
3	10	11	12	13	14	15	16
4	17	18	19	20	21	22	23
5	24	25	26	27	28	29	30
6	31	1	2	3	4	5	6

AUD 0.0238

Multiples of: 20

ST2302-HXY

20V 2.3A 48m 1PCSNChannel SOT-23 MOSFETs ROHS
Icon 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.

HXY MOS

0
6 to 16 Weeks

January 2027