TLP521-2GB

Transistor, Photovoltaic Output Optoisolators Overview

The TLP521-2GB is a dual-channel phototransistor optically coupled isolator manufactured by Isocom Components. It integrates infrared light-emitting diodes with NPN silicon photo-transistors in an 8-pin DIP package. Key electrical specifications include a maximum isolation voltage of 5300Vrms, a minimum breakdown voltage (BVCEO) of 55V, and a typical rise/fall time of 4µs/3µs. The device operates within a temperature range of -30°C to 100°C and features a high current transfer ratio.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration for compact signal isolation
• High isolation voltage capability ensuring safe electrical separation
• NPN silicon phototransistor output for reliable switching

Transistor, Photovoltaic Output Optoisolators Applications

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

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'GB' against official manufacturer documentation to confirm pinout compatibility and lead spread variations. Ensure the procurement source provides valid traceability for the Isocom Components 2004 LTD part number. Cross-reference datasheet revisions to confirm that the 8-pin DIP package matches the intended PCB footprint requirements before finalizing orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required in space-constrained designs. The 8-pin DIP format supports through-hole mounting. Verify that the 55V collector-emitter breakdown voltage meets the load requirements. Confirm that the input drive current aligns with the specified forward voltage characteristics for the target application logic levels.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the TLP521 series of high-density mounting phototransistor optically coupled isolators. The series includes single, dual, and quad channel variants. The TLP521-2GB specifically denotes the dual-channel version with surface mount or specific lead options indicated by suffixes. It serves as a general-purpose isolator for digital signal transmission.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct equivalents such as TLP521-2 or TLP521-2SM if leaded vs. surface mount variations are needed. Verify pinout compatibility with standard 8-pin DIP footprints. Ensure replacement parts maintain the 5300Vrms isolation rating and similar current transfer ratios.