DESCRIPTION
The SFH 640 is an optocoupler with very high BVCER, a minimum of 300 volts. It is intended for telecommunications applications or any DC application requiring a high blocking voltage. The SFH640 is a “better than” replacement for H11D1.

FEATURES
• CTR at IF=10 mA, VCE=10 V
    SFH640-1, 40-80%
    SFH640-2, 63-125%
    SFH640-3*, 100-200%
• Good CTR Linearity with Forward Current
• Low CTR Degradation
• Very High Collector-Emitter Breakdown Voltage, BVCER=300 V
• Isolation Test Voltage: 5300 VACRMS
• Low Coupling Capacitance
• High Common Mode Transient Immunity
• Phototransistor Optocoupler
    6 Pin DIP Package with Base Connection
• Field Effect Stable: TRIOS+
• VDE 0884 Available with Option 1
• Underwriters Lab File #E52744