ISP521-4XBLSM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-4XBLSM is a high-density, surface-mount optocoupler manufactured by Isocom Components 2004 LTD. It features four independent channels within a 16-pin package, integrating infrared light-emitting diodes with NPN silicon phototransistor outputs. The device provides an isolation voltage of 5300Vrms and supports an operating temperature range from -30°C to 100°C. Designed for compact circuit layouts, it offers a maximum collector-emitter saturation voltage of 400mV.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four-channel configuration for multi-signal isolation in a single component
• High-density surface-mount packaging for space-constrained designs
• Robust electrical isolation capability for safety-critical applications

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-channel signal isolation
• Power supply units needing feedback loop isolation
• Communication equipment interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'BLSM' against official Isocom documentation to confirm exact tape-and-reel specifications and pinout orientation. Ensure compatibility with automated pick-and-place equipment due to the surface-mount form factor. Cross-reference thermal management requirements with system design constraints.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a limited board area. The 16-pin SMD format suits automated assembly processes. Consider the 5300Vrms isolation rating for applications demanding high dielectric strength between input and output circuits.

Transistor, Photovoltaic Output Optoisolators Part Context

Isocom Components specializes in replacing discontinued or hard-to-find optocouplers with equivalent or enhanced performance parts. This model belongs to their high-density mounting series, designed to meet modern PCB layout demands while maintaining reliability standards established over decades of manufacturing experience.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check pin-to-pin compatibility with existing TLP521-4 or similar quad-channel DIP variants if transitioning from through-hole designs. Verify that the surface-mount footprint matches the current PCB silkscreen and copper pad layout.