TLP521-2XSM

Transistor, Photovoltaic Output Optoisolators Overview

The TLP521-2XSM is a dual-channel optically coupled isolator manufactured by Isocom Components. It integrates an infrared light-emitting diode and NPN silicon phototransistors within a surface-mount SOP-8 plastic package. The device provides electrical isolation between input and output circuits with a rated isolation voltage of 5300Vrms. Key electrical specifications include a maximum forward voltage of 1.3V, a typical rise time of 4μs, and a typical fall time of 3μs. The unit operates reliably across a temperature range from -30°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration for compact signal isolation
• Surface-mount SOP-8 packaging for automated assembly
• High isolation voltage rating for safety compliance

Transistor, Photovoltaic Output Optoisolators Applications

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

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'XSM' against official manufacturer documentation to confirm exact pinout, lead material, and RoHS compliance status. Ensure the selected variant matches the required surface-mount footprint dimensions and thermal characteristics for the target PCB design before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when space-constrained designs require dual-channel isolation in a surface-mount format. The SOP-8 package facilitates automated placement, while the dual-channel architecture reduces board area compared to single-channel alternatives. Verify that the 5300Vrms isolation rating meets the safety requirements of the application environment.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP521 series of high-density mounting phototransistor optically coupled isolators. The series is characterized by its use of infrared LEDs and NPN silicon phototransistors in efficient plastic packages. The '2' designation indicates a dual-channel configuration, distinguishing it from single or quad-channel variants within the same family.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

TLP521-2GB (DIP-8 variant)

Transistor, Photovoltaic Output Optoisolators FAQ

What is the internal structure of the TLP521-2XSM?

The device consists of two independent channels, each comprising an infrared light-emitting diode optically coupled to an NPN silicon phototransistor.

Does the TLP521-2XSM support AC input signals?

Yes, the input side utilizes an infrared LED which can be driven by AC signals, as indicated by the series capabilities for AC/DC input modules.