About Thyristors

Thyristors

A thyristor is a type of semiconductor device that acts like a switch, allowing energy to flow in one direction only. It is a three-terminal electronic device composed of four layers of alternating P-type and N-type material that can operate in four different states: off, forward blocking, reverse blocking, and forward conducting. In its off state, the thyristor does not conduct current; in its forward blocking state, it allows current to flow in the forward direction only; in its reverse blocking state, it allows current to flow in the reverse direction only; and in its forward conducting state, it allows current to flow in either the forward or reverse direction. Thyristors can be used in many applications such as power control, over-current protection, motor speed control, and lighting dimmers.

Thyristors

Diacs

SCR Modules

SCRs

Sidacs

Thyristor Surge Protection Devices - TSPD

Triacs

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

SKKT 122/12E

Module; thyristor/thyristor; 1.2kV; 129A; A21; SEMIPACK2; screw
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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.

Semikron

6
Ships to you
between Wed. 08 Jul to Tue. 14 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
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31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 107.8986

Multiples of: 1

BT137X-600F,127

Triacs RAIL TRIAC
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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.

WeEn Semiconductor

5
Ships to you
between Wed. 08 Jul to Tue. 14 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
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31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.654

Multiples of: 1

S602BS2RP

SCRs SEN SCR 600V 1.5A 50 A SOT89
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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.

Littelfuse

5
Ships to you
between Tue. 14 Jul to Thu. 16 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
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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 0.8685

Multiples of: 1

ACST610-8R

Triacs Overvoltage Triac Low <10mA 1500 rms
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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.

STMicroelectronics

5
Ships to you
between Wed. 08 Jul to Tue. 14 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
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31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 1.5881

Multiples of: 1

TMG25C60J

Triacs Triacs 25 Amp 600 Volt
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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.

Sanrex

5
Ships to you
between Tue. 14 Jul to Thu. 16 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11
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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 4.5571

Multiples of: 1

NTE56010

Triac; 800V; 15A; 40/75mA; THT; tube; TO220
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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.

NTE

5
Ships to you
between Wed. 08 Jul to Tue. 14 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
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31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 8.8141

Multiples of: 1

Q8040J7

Thyristor TRIAC 800V 400A 3-Pin(3+Tab) TO-218X
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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.

Littelfuse

5
Ships to you
between Wed. 08 Jul to Tue. 14 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11
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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 12.6306

Multiples of: 1

PSW1C100/16

Module; double independent; 1.6kV; 96A; ECO-PAC 1; Ufmax:1.55V
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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.

Powersem

4
Ships to you
between Wed. 08 Jul to Tue. 14 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
28	5	6	7	8	9	10	11
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31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 38.3224

Multiples of: 1

K1500E70

140V~170V 10uA TO-92-2 Diacs Trigger Diode 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.

Littelfuse

2
Ships to you
between Tue. 14 Jul to Thu. 16 Jul

July 2026

July 2026
	S	M	T	W	T	F	S
27	28	29	30	1	2	3	4
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31	26	27	28	29	30	31	1
32	2	3	4	5	6	7	8

AUD 0.8614

Multiples of: 1

VS-P101W

SCR Modules 400 Volt 25 Amp
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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.

Vishay

0
6 to 16 Weeks