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IL755B
BIDIRECTIONAL INPUT DARLINGTON OPTOCOUPLER
FEATURES • Very High Current Transfer Ratio (500% min.) IL755B-1: 750% at IF=2 mA, VCE=5 V IL755B-2: 1000% at IF=1 mA, VCE=5 V • BVCEO >60 V • Isolation Test Voltage, 5300 VACRMS • AC or Polarity Insensitive Inputs • No Base Connection • High Isolation Resistance, 1012Ω • Low Coupling Capacitance • Standard Plastic DIP Package • Underwriters Lab Approval #E52744 • VDE #0884 Available with Option 1 DESCRIPTION The IL755B is a bidirectional input, optically coupled isolator consisting of two Gallium Arsenide infrared emitters and a silicon photodarlington sensor. Maximum Ratings (at 25°C) Emitter (Drive Circuit) Continuous Forward Current .........................60 mA Power Dissipation at 25°C..........................