HCPL2503W

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL2503W is a single-channel high-speed optocoupler manufactured by onsemi. It integrates an AlGaAs infrared LED with a phototransistor output that includes a base connection for enhanced performance. The device offers 2500 Vrms isolation voltage and supports data rates up to 1 Mb/s. Key electrical parameters include a forward current of 16 mA, a collector-emitter saturation voltage of 0.4 V at 8 mA, and a propagation delay of 450 ns. It operates within a temperature range of -55°C to +100°C and is housed in an 8-pin MDIP package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Single-channel configuration with integrated base drive for the phototransistor output
• High-speed signal transmission capability suitable for digital communication interfaces
• Robust insulation barrier providing 2500 Vrms isolation between input and output circuits

Transistor, Photovoltaic Output Optoisolators Applications

• Digital isolation in microprocessor systems
• Signal coupling in industrial control networks
• Gate drive isolation for power switching devices

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'W' against the manufacturer's latest datasheet to confirm package type and compliance status. Ensure the procurement channel provides original manufacturer documentation. Check for end-of-life notices as some variants may be discontinued. Confirm RoHS and REACH compliance requirements match your manufacturing standards before ordering.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when single-channel isolation with base-driven output speed is required. Compare propagation delay and CTR specifications against system timing constraints. Consider the 8-pin DIP package dimensions for PCB layout compatibility. Evaluate thermal dissipation requirements if operating near maximum junction temperatures.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL-2503 family of high-speed transistor output optocouplers. It shares architectural similarities with the HCPL-2530 and HCPL-2531 but differs in channel count and package options. The series is designed for applications requiring fast response times and reliable galvanic isolation in noisy environments.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include HCPL2503 (standard package) or HCPL2530/HCPL2531 for dual-channel needs. Verify pinout compatibility and electrical parameter equivalence before substitution.