ISP817-1

Transistor, Photovoltaic Output Optoisolators Overview

The ISP817-1 is a single-channel phototransistor optocoupler from the ISP series, designed for high-density mounting applications. It features an NPN phototransistor output and accepts DC input signals. The device provides electrical isolation with a rated voltage of 5300 Vrms. 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 unit operates within a temperature range of -30°C to 100°C and carries UL recognition.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using infrared light transmission
• Designed for high-density mounting configurations in compact electronic assemblies
• Features an NPN phototransistor output stage suitable for logic interfacing

Transistor, Photovoltaic Output Optoisolators Applications

• Logic-to-logic isolation in noisy industrial environments
• Line receiver circuits
• Programmable current level sensors
• Computer and peripheral device interfaces

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify that the specific suffix matches the required lead frame configuration, as the 'X' designation indicates specific approval standards. Confirm package type availability against the datasheet, as variations exist between through-hole and surface mount versions. Ensure the component meets the necessary regional compliance requirements for the target market.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel isolation solution with high density is required. Compare the CTR specifications against load requirements to ensure adequate signal transfer. Verify that the operating temperature range aligns with the environmental conditions of the final assembly. Check if the specific pinout variant is compatible with the existing PCB footprint.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP series of high-density phototransistor optically coupled isolators manufactured by Isocom Components. The series includes variants such as ISP817, ISP827, and ISP847, which differ primarily in channel count and packaging density. These devices are engineered to serve as industry standard replacements for legacy components.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Potential substitutes include TLP521, TLP621, SFH615A, and PS2505. Verify pin compatibility and electrical characteristics before substitution.