HCPL-261A-500E

Logic Output Optoisolators Overview

The HCPL-261A-500E is a single-channel high-speed logic output optocoupler from Broadcom's HCPL series. It features an open collector, Schottky-clamped phototransistor output capable of sourcing 50 mA per channel. The device supports a data rate of 10 Mb/s with a typical propagation delay of 10 ns and common mode transient immunity of 1 kV/µs. It operates within a temperature range of -40°C to +105°C and provides 3750 Vrms isolation voltage. The component is housed in an 8-pin DIP Gull Wing package.

Logic Output Optoisolators Feature Summary

• High-speed digital signal transmission with 10 Mb/s data rate capability
• Schottky-clamped open collector output for fast switching and noise immunity
• Robust electrical isolation with 3750 Vrms rating and 1 kV/µs CMTI
• Wide operating temperature range suitable for industrial environments

Logic Output Optoisolators Applications

• Industrial networking systems requiring galvanic isolation
• Digital communication interfaces between disparate voltage levels
• Microprocessor system isolation for signal integrity
• Noise-immune data transmission in harsh electromagnetic environments

Logic Output Optoisolators Procurement Notes

Verify the specific suffix '500E' to confirm RoHS compliance and lead-free status as defined by Broadcom. Ensure the procurement source provides valid traceability documentation for automotive or industrial grade components. Cross-reference the datasheet revision date to confirm technical specifications match current manufacturing standards before finalizing orders.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required alongside robust noise immunity. The Schottky clamp reduces storage time, making it suitable for applications demanding fast rise and fall times. Consider the 50 mA output current capability for direct driving of low-impedance loads without additional buffering stages.

Logic Output Optoisolators Part Context

This part belongs to the HCPL-261A family of optically coupled gates designed for industry-standard compatibility. It serves as a bridge between different voltage domains while maintaining signal fidelity. The family is engineered for reliability in critical infrastructure and communication equipment where signal integrity and isolation are paramount.

Logic Output Optoisolators Replacement Considerations

Check for HCPL-261A variants with different packaging or suffixes that may offer identical electrical characteristics but altered mechanical dimensions. Verify pinout compatibility if substituting with other single-channel high-speed optocouplers from competing manufacturers.