The BTA12 is a medium power TRIAC from ST Microelectronics. They have good pulsed energy dissipation performance and a low holding current, making them ideal for applications like motor controllers and LED dimmers.
BTA12 TRIAC Pinout
Pin Number
Pin Name
Description
1
A1
Current flows in/out of this terminal
2
A2
Current flows in/out of this terminal
3
G
Current into/out of this terminal controls conduction between A1 and A2
TAB
A2
Current flows in/out of this terminal
Features
600V 12A medium power TRIAC
Low thermal resistance bonding
High surge energy capability
~20W power dissipation with TO220 package
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