TFK 804 Optocoupler CNY65 Equivalent P/E 883 Semiconductor Chip The TFK 804 Optocoupler is a high-performance semiconductor device designed to provide electrical isolation between input and output circuits. Functionally equivalent to the CNY65 series, this optocoupler ensures reliable signal transmission while maintaining safety standards. Key Features High Isolation Voltage: Offers an isolation voltage of up to 8,200 Vrms, ensuring robust protection against electrical surges. Phototransistor Output: Incorporates a phototransistor output, facilitating efficient signal coupling with minimal distortion. Wide Operating Temperature Range: Operates effectively within a temperature range of -55°C to +85°C, suitable for various industrial environments. Compact Design: Encased in a 4-pin DIP package, allowing for easy integration into circuit designs. Compliance with Safety Standards: Meets safety class II requirements, making it suitable for applications requiring reinforced isolation. Applications The TFK 804 Optocoupler is ideal for a range of applications, including: Switch-mode power supplies Line receivers Computer peripheral interfaces Microprocessor system interfaces Circuits requiring protective separation against electrical shock Technical Specifications Isolation Voltage: 8,200 Vrms Collector-Emitter Voltage (V CE ): 32 V Current Transfer Ratio (CTR): 50% to 300% at 10 mA Turn-On Time: 5 µs Turn-Off Time: 5 µs Package: 4-pin DIP Incorporating the TFK 804 Optocoupler into your designs ensures reliable performance and adherence to stringent safety standards, making it a valuable component for various electronic applications.