ISP621-1XGRSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISP621-1XGRSMT&R is a surface-mount transistor output optocoupler manufactured by Isocom Components. It integrates an infrared LED with an NPN silicon phototransistor in a compact plastic package. The device provides high isolation voltage of 5300Vrms and features a minimum current transfer ratio of 50%. It supports a maximum forward voltage of 1.3V and operates within a temperature range of -30°C to 100°C. The component is RoHS compliant and designed for space-efficient mounting applications.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High density surface mount packaging for efficient board space utilization
• Optical isolation between input and output circuits
• NPN silicon phototransistor output configuration
• RoHS compliant construction

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminals
• Industrial systems controllers
• Measuring instruments
• Signal transmission between systems of different potentials

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'GRSMT&R' against official Isocom documentation to confirm exact reel specifications and tape-and-reel dimensions. Ensure the ordering code matches the required lead spread or package variant, as suffixes define physical form factors rather than electrical function. Cross-reference the manufacturer's latest datasheet to validate compliance certifications and environmental ratings before finalizing procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when space-constrained designs require surface-mount isolation with standard transistor outputs. It serves as a direct replacement for legacy through-hole devices like the TLP621 series where PCB area is limited. Consider its 5300Vrms isolation rating for safety-critical interfaces. Verify that the 50% minimum CTR meets the drive requirements of the downstream logic or microcontroller inputs in the target circuit design.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP621 series, which represents Isocom's high-density mounting phototransistor optocouplers. The series is engineered to replace discontinued industry-standard components while maintaining compatible electrical characteristics. Isocom utilizes specialized parameter selection to ensure these devices meet specific customer circuit design requirements across various commercial and industrial sectors.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The ISP621-1XGRSMT&R is documented as a replacement for the Toshiba TLP621 series. Verify pinout compatibility and package dimensions when substituting into existing designs to ensure mechanical fit without modifying the PCB layout.