The PC957L is a photocoupler manufactured by Sharp. It is an optically coupled isolator consisting of an infrared emitting diode and a phototransistor. It comes in a DIP-8 package. Features: High isolation voltage: 5000Vrms Low input current: 0.5mA High collector-emitter voltage: 80V Low saturation voltage: 0.3V High common mode transient immunity: 10kV/μs Applications: Industrial automation Motor control Power supply Automotive electronics Medical equipment(For reference only)
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