TLP621-4GRSM

Transistor, Photovoltaic Output Optoisolators Overview

The TLP621-4GRSM is a quad-channel transistor output optocoupler manufactured by Isocom Components. It features four independent phototransistor outputs within a single package, designed for high-density circuit isolation. The device utilizes a surface-mount configuration to facilitate automated assembly processes. Key electrical characteristics include a maximum forward voltage of 1.3V and a collector-emitter breakdown voltage of 55V. The unit provides an isolation voltage of 5300Vrms between input and output circuits. Typical switching performance includes a rise time of 2μs and a fall time of 3μs. The component operates within a temperature range of -30°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates four independent phototransistor channels in a compact surface-mount package for space-efficient designs.
• Provides high-voltage isolation capability with a rated isolation voltage of 5300Vrms.
• Features fast switching speeds suitable for digital signal transmission applications.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-channel signal isolation
• Power supply units for feedback loop isolation
• Data communication interfaces for noise immunity

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix GRSM against official manufacturer documentation to confirm the exact pinout, tape-and-reel specifications, and moisture sensitivity level. Ensure that the ordering information matches the required surface-mount footprint dimensions and soldering profile constraints defined in the datasheet. Cross-reference the part number with current production status to avoid obsolescence risks during procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a limited board area. The quad-channel architecture reduces component count compared to discrete single-channel optocouplers. Consider the 5300Vrms isolation rating for safety compliance in mains-connected equipment. Evaluate the 2μs rise time against system bandwidth requirements to ensure adequate signal integrity for the intended application speed.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP621 series of transistor output optocouplers from Isocom Components. The series offers various channel configurations including single, dual, and quad options. The TLP621-4GRSM specifically denotes the four-channel variant in a surface-mount package. This family is designed as a replacement for legacy through-hole devices, providing similar electrical performance in a modern packaging format.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: TLP621-4XGB, TLP621-4XGBC, TLP621-4GRSM.