HCPL4503SDM

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL4503SDM is a single-channel high-speed optocoupler manufactured by onsemi, featuring a phototransistor output with an integrated base. It provides 5000 Vrms isolation and supports data rates up to 1 Mb/s. Key electrical parameters include a forward current of 16 mA, forward voltage of 1.45 V, and output current of 8 mA. The device operates within a temperature range of -40°C to +100°C, with rise and fall times of 800 ns each. It is housed in an 8-SMD DIP package.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-speed signal transmission capability for digital communication interfaces
• Integrated phototransistor base for improved switching performance
• Robust electrical isolation between input and output circuits

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems
• Power supply feedback loops
• Signal isolation in microprocessor-based systems

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SDM' against the manufacturer's latest datasheet to confirm the exact package variant and tape/reel specifications. Ensure compliance with RoHS directives as indicated in official documentation. Cross-reference ordering information with authorized distributors to avoid counterfeit components.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed isolation is required alongside a phototransistor output. Consider the 1 Mb/s data rate limit and the -40°C to +100°C operating temperature range. Evaluate the 5000 Vrms isolation voltage against system safety requirements. Compare power dissipation limits with thermal management capabilities.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL4503M series of high-speed optocouplers from onsemi. It shares functional similarities with other members of the family but differs in packaging and specific electrical characteristics. The series is designed for applications requiring fast response times and reliable galvanic isolation.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct substitutes within the HCPL4503M series or equivalent parts from other manufacturers offering similar speed and isolation ratings. Verify pin compatibility and electrical parameter overlaps before substitution.