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

IXTP70N075T2

MOSFET 70 Amps 75V 0.0120 Rds
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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.

IXYS

47
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August 2026

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AUD 2.4463

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STP20NK50Z-VB

650V 20A 1PCSNChannel TO-220 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.

VBsemi Elec

47
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between Fri. 21 Aug to Wed. 26 Aug

August 2026

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36	30	31	1	2	3	4	5

AUD 2.6466

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IRFBE30STRLPBF

Vishay Semiconductors MOSFET 800V 4.1A 125W
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Vishay

47
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AUD 2.8567

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ZXTNS618MCTA

Bipolar (BJT) Transistor NPN + Diode (Isolated) 20 V 4.5 A 140MHz 3 W Surface Mount DFN3020B-8
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Diodes Incorporated

47
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AUD 2.8894

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STGW40H65DFB

IGBT Transistors 600V 40A trench gate field-stop IGBT
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STMicroelectronics

47
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AUD 3.2311

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STF9NM60N

N-Channel 600 V 6.5A (Tc) 25W (Tc) Through Hole TO-220FP
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STMicroelectronics

47
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AUD 3.1082

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IXFA26N50P3

MOSFET N-Channel: Power MOSFET w/Fast Diode
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IXYS

47
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35	23	24	25	26	27	28	29
36	30	31	1	2	3	4	5

AUD 3.7194

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STGFW80V60F

STMicroelectronics IGBT Transistors
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STMicroelectronics

47
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35	23	24	25	26	27	28	29
36	30	31	1	2	3	4	5

AUD 4.1373

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2SC4237

Transistors (NPN/PNP) TO-247 RoHS
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SPTECH

39
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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 2.6742

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2N5322 PBFREE

Bipolar Transistors - BJT 100Vcbo 100Vcev 2A 75Vceo 6.0Vebo 10W
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Central Semiconductor

37
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between Fri. 07 Aug to Thu. 13 Aug

August 2026