TLP621-4BL

Transistor, Photovoltaic Output Optoisolators Overview

The TLP621-4BL is a four-channel transistor output optocoupler manufactured by Isocom Components. It features a 16-pin DIP through-hole package designed for high-voltage isolation applications. The device provides an isolation voltage of 5300Vrms, ensuring robust signal transmission between isolated circuits. Key electrical parameters include a maximum forward voltage of 1.3V and a typical rise time of 2μs. The unit supports a maximum input current of 50mA and operates within a temperature range of -30°C to 100°C. It carries UL certification for safety compliance.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four independent channels provide efficient multi-signal isolation in a single component
• High isolation voltage capability ensures reliable protection between circuit sections
• Transistor output configuration enables direct interfacing with digital logic systems

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Power supply units needing feedback loop separation
• Data communication interfaces demanding galvanic isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix BL against official Isocom documentation to confirm exact pinout and packaging variations. Ensure compatibility with existing PCB footprints and thermal management requirements. Cross-reference datasheet specifications for isolation voltage and current transfer ratio before integration into final designs.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required within a compact DIP footprint. Consider the 5300Vrms isolation rating for high-noise environments. Evaluate the 2μs rise time against system speed requirements to ensure adequate signal integrity for the intended application frequency.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP621 series of optocouplers from Isocom Components. The series is known for providing cost-effective isolation solutions using standard DIP packages. The four-channel variant consolidates multiple isolation barriers into one housing, simplifying board layout compared to using individual single-channel devices.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

TLP621-4GB is a documented alternative within the same manufacturer's lineup offering similar channel count and package style.