ISP621-1XSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISP621-1XSMT&R is a surface-mount optically coupled isolator manufactured by Isocom Components. It integrates an infrared light-emitting diode with an NPN silicon phototransistor in a compact dual-in-line plastic package. The device provides high isolation voltage of 5.3 kVrms and 7.5 kV peak, ensuring reliable signal transmission between systems with different potentials. Key electrical parameters include a minimum collector-emitter breakdown voltage (BVCEO) of 70 V and a typical rise time of 4 µs. The unit supports a maximum forward current of 50 mA and features a minimum current transfer ratio of 200%. All electrical parameters are 100% tested during manufacturing.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an infrared LED with an NPN silicon phototransistor for optical isolation
• Provides high dielectric isolation voltage to protect circuits across potential differences
• Features 100% electrical parameter testing for consistent performance reliability
• Available in space-efficient surface-mount packaging options

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminals
• Industrial system controllers
• Signal transmission between systems of different potentials and impedances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SMT&R' confirms the tape-and-reel surface-mount configuration rather than standard DIP or bulk packaging. Confirm that the 'X' designation aligns with the required lead spread or custom electrical selection if applicable. Ensure the component meets RoHS compliance standards as indicated by the manufacturer's general product lines. Cross-reference the datasheet for exact pinout compatibility with existing PCB footprints before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-density mounting is required alongside robust galvanic isolation. The NPN phototransistor output suits applications needing moderate speed and high current transfer ratios. Consider the 5.3 kVrms isolation rating for safety-critical industrial interfaces. Verify that the 70 V BVCEO meets the load requirements of the downstream circuitry. Ensure the surface-mount form factor fits within the constrained board space constraints of the design.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the IS20* series of high-density phototransistor optically coupled isolators from Isocom Components. The series typically includes variants like IS201, IS202, and ISD20*, offering options for through-hole, surface mount, and custom electrical selections. These devices are designed to replace common commercial optocouplers while providing specialized parameter choices for specific circuit designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.