The HCPL-817-56CE is a single-channel optocoupler containing an infrared emitting diode (IRED) optically coupled to a silicon phototransistor. This configuration provides electrical isolation between the input and output circuits. Manufactured by Broadcom Limited, it's designed for applications where high isolation voltage and reliable signal transfer are critical.

Applications

• Programmable Logic Controllers (PLCs): Isolation of input/output modules to protect the controller.
• Telecommunications Equipment: Isolation in telephone line interfaces and data communication systems.
• Office Automation Equipment: Isolation in printers, copiers, and fax machines to prevent ground loops.
• Consumer Electronics: Isolation in power supplies and control circuits of appliances.
• Industrial Control Systems: General-purpose isolation for digital and analog signals.

Features

• High Isolation Voltage: Provides a high degree of electrical isolation between the input and output.
• High Current Transfer Ratio (CTR): High CTR ensures efficient signal transfer.
• Compact Package: Small footprint for space-constrained applications.
• Industry Standard Pinout: Easy to integrate into existing designs.
• RoHS Compliant: Environmentally friendly.

Benefits

• Enhanced Safety: High isolation voltage protects equipment and users from hazardous voltages.
• Reliable Signal Transfer: Ensures accurate and reliable data transmission.
• Simplified Circuit Design: Reduces component count and simplifies PCB layout.
• Increased System Reliability: Protects sensitive circuits from voltage spikes and noise.
• Cost-Effective Solution: Provides a cost-effective isolation solution for a wide range of applications.

Additional Details

The HCPL-817-56CE features a high isolation voltage, typically in the kilovolt range. The current transfer ratio (CTR) is a crucial parameter, indicating the efficiency of signal transfer from input to output. It operates over a wide temperature range, making it suitable for various operating conditions. The device is available in a standard DIP package, making it easy to integrate into existing circuit designs. The RoHS compliance ensures that the product meets environmental regulations.