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

DB3W

Diacs Trigger Diode 28 ~ 36V 50uA 2A SOD-123F 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.

Jingdao

105584
Ships to you
between Fri. 10 Apr to Wed. 15 Apr

April 2026

April 2026
	S	M	T	W	T	F	S
14	29	30	31	1	2	3	4
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18	26	27	28	29	30	1	2
19	3	4	5	6	7	8	9

AUD 0.0149

Multiples of: 50

T1235-800G-TR

Triacs 12 Amp 800 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.

STMicroelectronics

40740
Ships to you
between Fri. 27 Mar to Thu. 02 Apr

April 2026

April 2026
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14	29	30	31	1	2	3	4
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17	19	20	21	22	23	24	25
18	26	27	28	29	30	1	2
19	3	4	5	6	7	8	9

AUD 0.7338

Multiples of: 1000

T850H-6G-TR

STMicroelectronics Triacs Hi temp 8A Triacs
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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

39813
Ships to you
between Fri. 27 Mar to Thu. 02 Apr

April 2026

April 2026
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17	19	20	21	22	23	24	25
18	26	27	28	29	30	1	2
19	3	4	5	6	7	8	9

AUD 0.6186

Multiples of: 1

ACST310-8BTR

Triacs Overvoltage protected AC switch
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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

38800
Ships to you
between Fri. 27 Mar to Thu. 02 Apr

April 2026

April 2026
	S	M	T	W	T	F	S
14	29	30	31	1	2	3	4
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17	19	20	21	22	23	24	25
18	26	27	28	29	30	1	2
19	3	4	5	6	7	8	9

AUD 0.6849

Multiples of: 1

L4X8E5

TRIAC Logic - Sensitive Gate 400 V 800 mA Through Hole TO-92
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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

38735
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between Fri. 27 Mar to Thu. 02 Apr

April 2026

April 2026
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15	5	6	7	8	9	10	11
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17	19	20	21	22	23	24	25
18	26	27	28	29	30	1	2
19	3	4	5	6	7	8	9

AUD 0.1387

Multiples of: 1

ACS108-8SN-TR

STMicroelectronics Triacs Overvoltage ACS 0.8A 600 and 800V 10mA
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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

34920
Ships to you
between Fri. 27 Mar to Thu. 02 Apr

April 2026

April 2026
	S	M	T	W	T	F	S
14	29	30	31	1	2	3	4
15	5	6	7	8	9	10	11
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17	19	20	21	22	23	24	25
18	26	27	28	29	30	1	2
19	3	4	5	6	7	8	9

AUD 0.2897

Multiples of: 1000

Z0103NN0,135

NXP Semiconductors Triacs 800 V 1 A SOT223
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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.

NXP

34361
Ships to you
between Thu. 02 Apr to Mon. 06 Apr

April 2026

April 2026
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14	29	30	31	1	2	3	4
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17	19	20	21	22	23	24	25
18	26	27	28	29	30	1	2
19	3	4	5	6	7	8	9

AUD 0.1675

Multiples of: 1

P0080TA

Thyristor Surge Protection Devices - TSPD TSS DO214AC 6V 50mA Co 50pF
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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.

Yageo

9079
Ships to you
between Fri. 10 Apr to Wed. 15 Apr

April 2026

April 2026
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14	29	30	31	1	2	3	4
15	5	6	7	8	9	10	11
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17	19	20	21	22	23	24	25
18	26	27	28	29	30	1	2
19	3	4	5	6	7	8	9

AUD 0.0671

Multiples of: 10

Z0107MN 5AA4

Triac; 600V; 1A; 5mA; SMD; Reel, tape; SOT223
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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

4071
Ships to you
between Thu. 02 Apr to Mon. 06 Apr

April 2026

April 2026
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15	5	6	7	8	9	10	11
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18	26	27	28	29	30	1	2
19	3	4	5	6	7	8	9

AUD 0.1412

Multiples of: 1

DB3

Diac; Ifmax:2A; DO35; 28÷36V
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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.

Luguang

0
6 to 16 Weeks