T4012NK Thyristor - RD91-3 - ST Microelectronics - STM

BTA25-800B Triac - RD91 - ST Microelectronics - STM

BTA40-600B Triac - RD91 - ST Microelectronics - STM

BTA25-800BW Triac - CASE: RD91 MAKE: ST Microelectronics - STM

TODV1225 Thyristor Triac - RD91 - ST Microelectronics - STM

TXDV812 Thyristor Triac - TO220AB - ST Microelectronics - STM

TODV1225C538 Semiconductor - RD91 - ST Microelectronics - STM

BTW66-800 Thyristor - RD91 - ST Microelectronics - STM