ISP814ASM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP814ASM is a surface-mount AC input optocoupler from the Isocom ISP series. It features a single channel with an NPN phototransistor output in a compact SMD package. Key electrical parameters include a maximum forward voltage of 1.4V, a typical rise time of 4μs, and a typical fall time of 3μs. The device supports a maximum input current of 50mA and offers an isolation voltage of 5kVrms. Current transfer ratio ranges from 50% to 150% at 1mA.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• AC input capability utilizing dual inverse-connected infrared LEDs for direct mains or AC signal interfacing without external rectification.

Transistor, Photovoltaic Output Optoisolators Applications

• Logic-to-logic isolation in noisy environments
• Line receiver circuits
• Computer and peripheral device interfaces

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'ASM' against official Isocom documentation to confirm surface-mount packaging and pinout compatibility. Ensure the selected variant meets the required isolation voltage rating of 5kVrms for your safety standards. Cross-reference the current transfer ratio specifications with your circuit design requirements before finalizing procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when AC input detection is required in a space-constrained surface-mount design. The integrated dual LED structure simplifies circuit topology by eliminating external diodes. Verify that the 50mA maximum input current aligns with your drive capabilities and that the 5kVrms isolation rating satisfies your application's safety insulation requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

Isocom Components specializes in high-performance infrared optoelectronic devices, including optocouplers and optoswitches. The ISP series represents their standard line of isolated switching components. This part falls within their portfolio of industry-standard replacements designed for reliable performance in commercial and industrial applications.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check datasheets for equivalent AC-input optocouplers such as the PS2505 or SFH620A. Confirm that substitute parts match the 5kVrms isolation voltage and SMD package dimensions to ensure mechanical and electrical compatibility.

Transistor, Photovoltaic Output Optoisolators FAQ

How does the ISP814ASM handle AC input signals?

It contains two infrared LEDs connected in inverse parallel, allowing it to conduct during both positive and negative half-cycles of the AC input waveform.

What is the isolation voltage rating for this component?

The ISP814ASM provides an isolation voltage of 5kVrms between the input and output circuits.