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

5STP 04D5200

Thyristor: hockey-puck; 5.2kV; Ifmax: 650A; 420A; Igt: 400mA
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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.

ABB

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 438.6092

Multiples of: 1

TD500N16KOFHPSA1

Module; double series; 1.6kV; 500A; BG-PB60AT-1; Ufmax:1.45V
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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.

Infineon

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 438.8269

Multiples of: 1

TT425N18KOFHPSA2

Module; double series; 1.8kV; 471A; BG-PB60AT-1; Ufmax:1.5V; 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.

Infineon

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 439.5021

Multiples of: 1

NTE5589

Stud thyristor; 1.2kV; 550A; 150mA; TO118
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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 443.6007

Multiples of: 1

SKKQ 1200/14E

Module; opposing; 1.4kV; 1225A; C12; SEMISTART2; Ufmax:1.65V; 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

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 444.4197

Multiples of: 1

MCNA650P2200CA

SCR Modules BIPOLAR MODULE - THYRISTOR CO
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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

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 444.5143

Multiples of: 1

SKKH 250/12E

Module; double series; 1.2kV; 250A; V: A76b; SEMIPACK3; Ufmax:1.4V
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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 446.9552

Multiples of: 1

NTE5378

Stud thyristor; 1.2kV; 475A; 150mA; TO118
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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 447.4286

Multiples of: 1

ST1230C16K0L

Vishay Semiconductors SCR Modules 1745 Amp 1600 Volt 3200 Amp IT(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.

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 451.561

Multiples of: 1

SKET 400/08E

Module; single thyristor; 800V; 392A; A36; SEMIPACK4; Ufmax:1.7V
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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