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

T52-80-10-DXA

Thyristor; 1000V; 80A; 150mA; TO94
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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.

Lamina

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 49.6263

Multiples of: 1

VS-P402W

SCR Modules 600 Volt 40 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

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 50.0211

Multiples of: 1

SK 45 WT 12

Module; thyristor/thyristor; 1.2kV; 47A; T37; SEMITOP2; Ufmax:1.9V
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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

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 50.3778

Multiples of: 1

SKKT 72/08E

Module; thyristor/thyristor; 800V; 70A; A46; SEMIPACK1; Ufmax:1.9V
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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

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 50.3791

Multiples of: 1

SKKT 92/08E

Module; thyristor/thyristor; 800V; 95A; A46; SEMIPACK1; Ifsm:2kA
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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

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 50.4209

Multiples of: 1

SKKT 57/18E

Module; thyristor/thyristor; 1.8kV; 50A; A46; SEMIPACK1; Igt:150mA
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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

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 50.4627

Multiples of: 1

JANTX2N3027

Thyristor SCR 30V 8A 3-Pin TO-18
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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.

Microchip

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 50.7619

Multiples of: 1

VS-P103W

SCR Modules 800 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

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 50.8737

Multiples of: 1

NTE5571

Stud thyristor; 1.6kV; 80A; 100mA; TO65
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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

0
6 to 16 Weeks

December 2026

December 2026
	S	M	T	W	T	F	S
49	29	30	1	2	3	4	5
50	6	7	8	9	10	11	12
51	13	14	15	16	17	18	19
52	20	21	22	23	24	25	26
53	27	28	29	30	31	1	2
2	3	4	5	6	7	8	9

AUD 50.9657

Multiples of: 1

TG70AA60

Triacs Triacs 70 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

0
6 to 16 Weeks

December 2026