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.

Image  Information Image Stock Code(▲▼)Description
Manufacturer
Availability ⓘ (▲▼)Price(AUD

(Ex. GST)(▲▼)
Enter Qty
Q8025LH5TP


Littelfuse Altnstr 800V 25A 50-50-50 mA TO220 Iso
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 970
Ships to you
between Tue. 21 Jul to Thu. 23 Jul
Calender.png

AUD 5.9646

Multiples of: 1

QV8035RH4TP


Triacs 35A 800V Alt TO-220
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 Calender.png

AUD 5.697

Multiples of: 1

S4040NQ3RP


SCRs 400V 40A
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 Calender.png

AUD 6.1437

Multiples of: 500

NTE5638-08


Triac; 800V; 8A; 10mA; THT; tube; TO220ISO
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.

NTE 0
6 to 16 Weeks Calender.png

AUD 5.6229

Multiples of: 1

NTE239


SCS; Ic:175mA; TO72
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.

NTE 0
6 to 16 Weeks Calender.png

AUD 5.6349

Multiples of: 1

S8055NTP


SCRs 55A 800V
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 Calender.png

AUD 5.6492

Multiples of: 1000

P2103AB


Balanced 3-chip SIDACtor TO220
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 Calender.png

AUD 5.6667

Multiples of: 1

VS-40TPS12L-M3


SCRs Single SCR Alt VS-40TPS12-M3
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.

Vishay 0
6 to 16 Weeks Calender.png

AUD 5.7125

Multiples of: 1

NTE56015


Triac; 200V; 25A; 50mA; THT; tube; TO220
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.

NTE 0
6 to 16 Weeks Calender.png

AUD 5.75

Multiples of: 1

NTE5646


Triac; 600V; 10A; 60mA; THT; internally triggered; tube; TO220ISO
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.

NTE 0
6 to 16 Weeks Calender.png

AUD 5.7692

Multiples of: 1

Looking for help? Visit our FAQ's Section to answer to all your questions

 

X-ON Worldwide Electronics

Welcome To X-ON ELECTRONICS
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
 

Copyright ©2026  X-ON Electronic Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing.
All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted