ISP621-4BLG

Transistor, Photovoltaic Output Optoisolators Overview

The ISP621-4BLG is a quad optoisolator from Isocom Components 2004 LTD, featuring four independent channels in a 16-pin DIP package. It utilizes an infrared LED coupled to NPN silicon phototransistors for signal transmission. Key electrical parameters include a maximum isolation voltage of 5300Vrms and a typical rise time of 2μs with a fall time of 3μs. The device operates within a temperature range of -30°C to 100°C, supports a maximum forward voltage of 1.3V, and handles up to 50mA input current.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-density electrical isolation through four independent channels within a single component.
• Ensures robust signal integrity via direct coupling between infrared LEDs and NPN silicon phototransistors.
• Delivers high-voltage safety compliance with a verified 5300Vrms isolation rating.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-channel signal isolation
• Data communication interfaces needing galvanic separation
• Power supply feedback loops for circuit protection

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix BLG against official Isocom documentation to confirm pinout compatibility and packaging specifications. Ensure the procurement source provides valid traceability for the 5300Vrms isolation rating. Cross-reference the 16-DIP physical dimensions with your PCB footprint requirements before ordering.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a compact form factor. The 16-DIP package facilitates through-hole mounting for mechanical stability. Consider the 2μs/3μs switching speeds for applications demanding moderate data rates without excessive propagation delay.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP621 series family, which focuses on high-density optocoupler solutions. Isocom Components 2004 Ltd manufactures these devices using established infrared technology to ensure reliability in commercial and industrial environments.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

The TLP621-4GB is a documented equivalent offering identical channel count and isolation characteristics. Verify pin compatibility and thermal performance before substituting.