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

PJA3409_R1_00001

MOSFET /A09/TR/7"/HF/3K/SOT-23/MOS/SOT/NFET-30TMP/NF30T-QI13/PJ///
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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.

Panjit

2307
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between Mon. 22 Jun to Fri. 26 Jun

June 2026

June 2026
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23	31	1	2	3	4	5	6
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27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11

AUD 0.128

Multiples of: 1

STGD18N40LZT4

IGBT Transistors EAS 180 mJ-400 V clamped IGBT
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STMicroelectronics

2307
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between Mon. 22 Jun to Fri. 26 Jun

June 2026

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

AUD 0.7986

Multiples of: 1

FDC645N

Fairchild Semiconductor MOSFET SSOT-6 N-CH
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ON Semiconductor

2304
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between Mon. 22 Jun to Fri. 26 Jun

June 2026

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

AUD 0.4104

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SL4884A

SOP-8 MOSFETs ROHS
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SLKORMICRO

2303
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between Mon. 06 Jul to Thu. 09 Jul

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

AUD 0.0866

Multiples of: 5

SI1411DH-T1-GE3

MOSFET -150V Vds 20V Vgs SC70-6
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Vishay

2300
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July 2026

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

AUD 0.6704

Multiples of: 1

HFD4N50-VB

650V 4.5A 1.8Ω@10V,4.5A 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.

VBsemi Elec

2296
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31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.4947

Multiples of: 1

BCP55-16

Transistors (NPN/PNP) SOT-223 RoHS
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SLKORMICRO

2284
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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 0.0642

Multiples of: 5

2N4946

Transistor: NPN; bipolar; 40V; 0.6A; 625mW/1.5W; TO92
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CDIL

2255
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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 0.044

Multiples of: 25

YFW15N10AD

100V 15A 88mΩ@10V,7A 35W 1V@250uA null TO-252 MOSFETs ROHS
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YFW Electronics

2109
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July 2026

July 2026
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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 0.1202

Multiples of: 5

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TSM033NA04LCR RLG

MOSFET Power MOSFET, N-CHL, 40V, 141A, 3.3mOhm
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Taiwan Semiconductor

67
Ships to you
between Fri. 26 Jun to Tue. 30 Jun

June 2026