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

FDD8586(UMW)

TO-252 MOSFETs ROHS
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Youtai

2425
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between Fri. 03 Jul to Wed. 08 Jul

July 2026

July 2026
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31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.1537

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FDD068AN03L(UMW)

TO-252 MOSFETs ROHS
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Youtai

2425
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July 2026

July 2026
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31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.1684

Multiples of: 5

FDD044AN03L(UMW)

TO-252 MOSFETs ROHS
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Youtai

2425
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31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.1684

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ULN2003AN

DIP-16 Darlington Transistor Arrays ROHS
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HGSEMI

2425
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July 2026

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32	2	3	4	5	6	7	8

AUD 0.1493

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US6K4TR

MOSFET Med Pwr, Sw MOSFET N Chan, 20V, 1.5A
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ROHM

2425
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31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.1782

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SP30P06TH

TO-252-2L MOSFETs ROHS
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Siliup

2425
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July 2026

July 2026
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31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.1857

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DMG9933USD-13

Diodes Incorporated MOSFET N-Ch Dual MOSFET 20V VDSS 12V VGSS
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Diodes Incorporated

2425
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June 2026

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26	21	22	23	24	25	26	27
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11

AUD 0.1982

Multiples of: 2500

ULN2003AS16-13

Darlington Transistors 500mA HV Darlington Trans Array 50V
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Diodes Incorporated

2425
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June 2026

June 2026
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27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11

AUD 0.2125

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FDD5353(UMW)

TO-252 MOSFETs ROHS
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Youtai

2410
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between Fri. 03 Jul to Wed. 08 Jul

July 2026

July 2026
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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 0.1697

Multiples of: 5

MPT075N10L

TO-252 MOSFETs ROHS
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Minos

2405
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between Fri. 03 Jul to Wed. 08 Jul

July 2026