ISP817XASM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP817XASM is a single-channel phototransistor output optocoupler manufactured by Isocom Components. It features a DIP-4 surface mount package and utilizes an infrared LED for input isolation. The device provides high-density mounting capabilities with a minimum isolation voltage of 5300 Vrms. Key electrical parameters include a maximum forward current of 50 mA, a typical rise time of 4 μs, and a typical fall time of 3 μs. The unit operates within a temperature range of -55°C to 125°C and complies with UL recognition standards.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using optical transmission
• Designed for high-density surface mount applications in compact PCB layouts
• Features fast switching characteristics suitable for digital signal transmission

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Power supply units for feedback loop isolation
• Data communication interfaces for noise immunity

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'ASM' against official datasheets to confirm surface mount package dimensions and tape-and-reel specifications. Ensure compatibility with automated pick-and-place equipment requirements. Cross-reference isolation voltage ratings and thermal dissipation limits with target circuit designs before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and small form factor are required for single-channel applications. Compare propagation delays and current transfer ratios against alternative optocouplers if signal integrity at high frequencies is critical. Confirm that the operating temperature range meets environmental conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP817 series of phototransistor optocouplers from Isocom Components. The series offers various packaging options including through-hole and surface mount configurations. These devices are designed as replacements for legacy components while maintaining standard pinouts and electrical performance characteristics for easy integration.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include other single-channel phototransistor optocouplers with identical DIP-4 or SMD-4 footprints and comparable isolation ratings. Verify pinout compatibility and electrical parameter overlaps such as CTR and breakdown voltage before substitution.