TLP521-1GRSM

Transistor, Photovoltaic Output Optoisolators Overview

The TLP521-1GRSM is a single-channel phototransistor optocoupler manufactured by Isocom Components. It features an infrared LED coupled to an NPN phototransistor in a surface-mount package. Key electrical parameters include a maximum DC forward current of 50 mA, a collector-emitter saturation voltage of 400 mV, and an operating temperature range from -30°C to +100°C. The device provides high-density mounting capabilities with robust isolation characteristics suitable for compact circuit designs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Single-channel configuration with integrated infrared LED and NPN phototransistor
• Surface-mount packaging designed for high-density board layouts
• Low collector-emitter saturation voltage for efficient signal switching

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Power supply feedback loops and protection circuits
• Communication equipment interface isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix GRSM against official Isocom Component datasheets to confirm surface-mount pinout and tape-and-reel specifications. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Cross-reference part numbers with authorized distributors to validate authenticity and traceability before procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when space-constrained designs require single-channel isolation with surface-mount convenience. Consider the 50 mA forward current limit and 400 mV saturation voltage for logic-level interfacing. Evaluate thermal management requirements within the specified -30°C to +100°C operating range for reliable long-term performance.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the TLP521 series of high-density phototransistor optically coupled isolators. The series offers various channel configurations and packaging options to meet diverse isolation needs. Isocom Components manufactures these devices to replace legacy parts while maintaining standard pinouts and electrical characteristics for seamless integration.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

TLP521-1GB serves as a verified through-hole replacement option within the same product family. Verify that the DIP-4 footprint and lead spacing match the target application constraints when substituting surface-mount variants with through-hole equivalents.