Features
• AC Input Response (FOD814)
• Current Transfer Ratio in Selected Groups:
FOD814: 20–300% FOD817: 50–600%
FOD814A: 50–150% FOD817A: 80–160%
FOD817B: 130–260%
FOD817C: 200–400%
FOD817D: 300–600%
• Minimum BVCEO of 70 V Guaranteed
• Safety and Regulatory Approvals
– UL1577, 5,000 VACRMS for 1 Minute
– DIN EN/IEC60747-5-5

Applications
FOD814 Series
• AC Line Monitor
• Unknown Polarity DC Sensor
• Telephone Line Interface
FOD817 Series
• Power Supply Regulators
• Digital Logic Inputs
• Microprocessor Inputs

Description
The FOD814 consists of two gallium arsenide infrared emitting diodes, connected in inverse parallel, driving a silicon phototransistor output in a 4-pin dual in-line package. The FOD817 Series consists of a gallium arsenide infrared emitting diode driving a silicon phototransistor in a 4-pin dual in-line package.