ISP281D

Transistor, Photovoltaic Output Optoisolators Overview

The ISP281D is a single-channel optocoupler manufactured by Isocom Components 2004 LTD. It features a transistor output configuration housed in a surface-mount 4-SOP package with a width of 4.40mm. The device provides an isolation voltage rating of 3750Vrms, ensuring robust electrical separation between input and output circuits. Key performance metrics include a propagation delay of 3 microseconds for turn-off and 2 microseconds for turn-on. The component operates within a temperature range of -55°C to 110°C, supporting reliable function in demanding industrial environments.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation via a 3750Vrms dielectric barrier
• Utilizes a compact surface-mount SOP-4 package for automated assembly
• Features fast switching characteristics with specified microsecond-level delays

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Power supply protection circuits
• General-purpose digital signal transmission across isolated boundaries

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to confirm pinout compatibility and packaging type. Ensure the selected variant matches the required operating temperature range and isolation voltage ratings for the target application. Cross-reference datasheet specifications with system design requirements before finalizing procurement decisions.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel transistor output isolator is required with high voltage withstand capability. The SOP-4 package suits space-constrained designs needing surface-mount technology. Confirm that the 3750Vrms isolation rating meets safety standards for the specific circuit interface. Evaluate thermal management needs given the wide operating temperature range.

Transistor, Photovoltaic Output Optoisolators Part Context

Isocom Components specializes in photovoltaic and transistor-output optocouplers, often serving as alternatives to discontinued legacy parts. The ISP281D belongs to their standard commercial line, designed for general-purpose isolation tasks. The brand maintains manufacturing capabilities in Malaysia and testing facilities in the UK, focusing on reliability and short lead times for electronic components.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct pin-compatible substitutes from other manufacturers if supply constraints arise. Verify that any alternative part maintains the same 3750Vrms isolation rating and SOP-4 footprint. Ensure CTR and propagation delay specifications meet or exceed original design margins.