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

2SD1616AG-G-AB3-R

Transistors (NPN/PNP) NPN 1A 60V SOT-89 (SOT-89-3) 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.

Unisonic

4006
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between Fri. 14 Aug to Wed. 19 Aug

August 2026

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31	26	27	28	29	30	31	1
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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 0.0689

Multiples of: 5

IPW65R029CFD7XKSA1

MOSFET HIGH POWER_NEW
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Infineon

131
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between Thu. 06 Aug to Mon. 10 Aug

August 2026

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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 12.0836

Multiples of: 1

2N657A

Central Semiconductor Bipolar Transistors - BJT Small Signal Transistor Gen Purp
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Central Semiconductor

131
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35	23	24	25	26	27	28	29
36	30	31	1	2	3	4	5

AUD 15.0388

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APT33GF120B2RDQ2G

IGBT Transistors Insulated Gate Bipolar Transistor - NPT Low Frequency - Combi
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Microchip

131
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36	30	31	1	2	3	4	5

AUD 28.3569

Multiples of: 1

S-LMUN2133LT1G

One PNP - Pre-Biased 100mA 50V SOT-23 Digital Transistors ROHS
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Leshan

130
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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 0.03

Multiples of: 5

STN4102

30V 15A 22mΩ@10V,15A 25W N Channel TO-252 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.

STANSON Tech

130
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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 0.0623

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GN2003B

SOP-16 Darlington Transistor Arrays ROHS
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GN Semic

130
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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 0.0737

Multiples of: 5

NVR4501N

SOT-23 MOSFETs ROHS
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Leiditech

130
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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 0.1064

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BFP196

SOT-143B Bipolar Transistors - BJT ROHS
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SLKORMICRO

130
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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 0.1171

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ULN2003IPWRG

TSSOP-16 Darlington Transistor Arrays ROHS
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HANSCHIP

111
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between Fri. 14 Aug to Wed. 19 Aug

August 2026