ISP621-2BLSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISP621-2BLSMT&R is a surface-mount optically coupled isolator manufactured by Isocom Components. It integrates an infrared LED with dual NPN silicon phototransistors in a compact package. Key electrical parameters include a minimum current transfer ratio of 50%, an isolation voltage of 5300 Vrms, and a breakdown voltage (BVCEO) of 55V minimum. The device supports a maximum input current of 50 mA and features typical rise and fall times of 4µs and 3µs respectively. It is designed for high-density mounting applications requiring reliable signal transmission between systems with different potentials.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration integrating two independent NPN phototransistor outputs within a single unit
• High isolation voltage capability ensuring safe signal transmission across potential differences
• Surface-mount design optimized for space-efficient PCB layouts and automated assembly

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminals and peripheral interfaces
• Industrial system controllers and programmable logic controllers
• Measuring instruments and data acquisition systems
• Signal transmission between circuits with differing ground potentials

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'BL' against official Isocom documentation to confirm exact binning or custom parameter selections. Ensure the surface-mount variant matches the required footprint dimensions. Confirm compliance with relevant safety certifications such as UL or VDE if required for the end application. Cross-reference the datasheet revision date to ensure parameter accuracy.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required in a compact surface-mount form factor. It serves as a direct replacement for standard TLP621-2 equivalents where Isocom's specific electrical tolerances are preferred. Consider the 5300 Vrms isolation rating for applications involving mains interfacing or noisy industrial environments. Verify that the 55V collector-emitter voltage meets the load requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP series, which represents Isocom's branded line of high-density phototransistor optocouplers. These devices are engineered to replace discontinued or hard-to-find components from other manufacturers while offering customizable electrical parameters. The series emphasizes reliability and compliance with global industry standards for commercial and industrial electronic equipment.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct pin-compatible substitutes include the Toshiba TLP621-2 and generic equivalents like PC122 or SFH628A-2 variants. Verify that the replacement maintains the same channel count, output type (NPN phototransistor), and isolation voltage ratings. Check for any differences in current transfer ratio bins or lead spread dimensions if mechanical fit is critical.