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
BT139X-600,127


TO-220 TRIACs 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.

WeEn Semiconductor 5800
Ships to you
between Tue. 19 May to Thu. 21 May
Calender.png

AUD 0.6207

Multiples of: 1

BTA204-800E,127


Triacs RAIL 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.

NXP 5787
Ships to you
between Tue. 19 May to Thu. 21 May
Calender.png

AUD 0.3787

Multiples of: 1

BT131-800,116


Triacs THYR AND TRIACS
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 5780
Ships to you
between Tue. 19 May to Thu. 21 May
Calender.png

AUD 0.1996

Multiples of: 1

BTA412Y-800B,127


Triacs RAIL-THYR AND TRIACS
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.

WeEn Semiconductor 5753
Ships to you
between Tue. 19 May to Thu. 21 May
Calender.png

AUD 0.6301

Multiples of: 1

BT139-600E,127


Triacs RAIL 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.

NXP 5718
Ships to you
between Tue. 19 May to Thu. 21 May
Calender.png

AUD 0.6553

Multiples of: 1

T435-800T


Triac; 800V; 4A; 35mA; THT; Snubberless™; tube; TO220AB
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 5699
Ships to you
between Wed. 13 May to Tue. 19 May
Calender.png

AUD 0.5782

Multiples of: 1

TYN16-600CT,127


Pre-ordered transistors SOT78 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.

WeEn Semiconductor 5691
Ships to you
between Tue. 19 May to Thu. 21 May
Calender.png

AUD 0.5313

Multiples of: 1

BT169D.116


Thyristor; 400V; 500mA; 0.8A; 50mA; Package: Reel, tape; THT; TO92
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.

WeEn Semiconductor 5276
Ships to you
between Wed. 13 May to Tue. 19 May
Calender.png

AUD 0.122

Multiples of: 1

BT149D,126


SCRs AMMORA SCR
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 5270
Ships to you
between Tue. 19 May to Thu. 21 May
Calender.png

AUD 0.1116

Multiples of: 1

BTA208X-800E,127


Triacs RAIL 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.

NXP 5203
Ships to you
between Tue. 19 May to Thu. 21 May
Calender.png

AUD 0.5186

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