2 x Toshiba TLP523(F) DC Input Darlington Output Optocoupler Through Hole 4-Pin. 5 x ON Semiconductor, FOD852 DC Input Photodarlington Output Optocoupler, 4-Pin. 1x Avago HCNW-3120 DC Input Optocoupler 2.5A MOSFET & IGBT Gate Driver 1414v ISO.
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