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

Sorting

Sort Column:

Sort Direction:

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

BTB12-800BWRG(UMW)

TO-220B Thyristors (SCR)/Modules ROHS
Icon ROHS

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.

Youtai

518
Ships to you
between Fri. 29 May to Wed. 03 Jun

June 2026

June 2026
	S	M	T	W	T	F	S
23	31	1	2	3	4	5	6
24	7	8	9	10	11	12	13
25	14	15	16	17	18	19	20
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 0.2383

Multiples of: 5

BT139-800E

TO-220 Thyristors (SCR)/Modules ROHS
Icon ROHS

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.

Minos

126
Ships to you
between Fri. 29 May to Wed. 03 Jun

June 2026

June 2026
	S	M	T	W	T	F	S
23	31	1	2	3	4	5	6
24	7	8	9	10	11	12	13
25	14	15	16	17	18	19	20
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 0.2398

Multiples of: 5

MCR100G-8-AD

Thyristors - TRIACs One-way thyristor 600V SOT-223 RoHS
Icon ROHS

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.

Unisonic

0
6 to 16 Weeks

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.237

Multiples of: 1

TISP4290M3BJR-S

Thyristor Surge Protection Devices - TSPD BI-DIRECTIONL PRTCTR 220volts
Icon ROHS

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.

Bourns

0
6 to 16 Weeks

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.2408

Multiples of: 1

MCR106L-8-T60-k

Thyristors - TRIACs One-way thyristor 600V TO-126 RoHS
Icon ROHS

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.

Unisonic

0
6 to 16 Weeks

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.2415

Multiples of: 5

MAC997B8RL1G

Thyristor TRIAC 600V 8A 3-Pin TO-92 T/R
Icon ROHS

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.

ON Semiconductor

0
6 to 16 Weeks

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.2421

Multiples of: 2000

P0130AA 1EA3

STMicroelectronics SCRs THYRISTOR
Icon ROHS

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

0
6 to 16 Weeks

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.2422

Multiples of: 1

MAC210A8G

Triacs THY 10A 600V TRIAC
Icon ROHS

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

0
6 to 16 Weeks

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.2434

Multiples of: 1

BTB08-800CW

800V 1 TO-220 Thyristors (SCR)/Modules ROHS
Icon ROHS

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.

Weida Semiconductor

0
6 to 16 Weeks

October 2026

October 2026
	S	M	T	W	T	F	S
40	27	28	29	30	1	2	3
41	4	5	6	7	8	9	10
42	11	12	13	14	15	16	17
43	18	19	20	21	22	23	24
44	25	26	27	28	29	30	31
45	1	2	3	4	5	6	7

AUD 0.2437

Multiples of: 5

BT168GW

THYRISTOR, 1A, 600V, SOT-223
Icon ROHS

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.

NXP

0
6 to 16 Weeks

October 2026