ISP521-2BLSM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-2BLSM is a dual-channel transistor output optocoupler manufactured by Isocom Components. It integrates an infrared emitting diode and two NPN silicon phototransistors within a surface-mount plastic package. The device provides high isolation voltage of 5300Vrms between input and output circuits, ensuring safe signal transmission across different potential systems. It features a minimum current transfer ratio of 50% and supports operating temperatures from -30°C to 100°C. The component is RoHS compliant and UL recognized.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration for simultaneous signal isolation
• High isolation voltage capability for safety in high-potential environments
• Surface-mount packaging for space-efficient circuit board integration
• RoHS compliant construction meeting environmental directives

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminal data transmission interfaces
• Industrial control system signal isolation
• Measurement instrument signal coupling
• Logic-to-logic isolation in noisy environments

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'BLSM' against official Isocom documentation to confirm exact pinout and reel specifications. Ensure compatibility with existing PCB footprint designs before procurement. Confirm that the required current transfer ratio meets the application's minimum threshold. Check for any specific handling requirements associated with the surface-mount package type during assembly.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required in a compact surface-mount form factor. Consider the 5300Vrms isolation rating for applications involving significant potential differences. Evaluate the 50% minimum CTR to ensure adequate drive capability for downstream logic or switching circuits. Verify temperature range suitability for the intended operational environment.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP521 series family produced by Isocom Components. The series is known as a replacement for standard industry optocouplers. Isocom specializes in infrared optoelectronic devices and offers customizable electrical parameters. The company has a history dating back to the 1980s, focusing on commercial and industrial isolation solutions.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.