TLP521-4GRSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The TLP521-4GRSMT&R is a quad-channel optoisolator manufactured by Isocom Components 2004 LTD. It features four infrared light emitting diodes coupled with NPN silicon phototransistors in a 16-pin surface mount package. The device provides an isolation voltage of 5300Vrms and operates within a temperature range of -30°C to 100°C. Key electrical parameters include a maximum input current of 50mA, a typical rise time of 4μs, and a typical fall time of 3μs. The minimum current transfer ratio is specified at 100% when tested at 1mA.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates four independent channels for simultaneous signal isolation
• Utilizes NPN silicon phototransistor output configuration
• Provides high-voltage electrical isolation between input and output circuits

Transistor, Photovoltaic Output Optoisolators Applications

• General purpose digital signal isolation
• Microprocessor system interfacing
• Industrial control circuit isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix GRSMTR against official manufacturer documentation to confirm surface mount packaging and tape-and-reel delivery format. Ensure compatibility with standard SMD reflow soldering profiles. Cross-reference the part number with authorized distributors to confirm current availability and manufacturing status before finalizing procurement plans.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a compact surface mount footprint. The quad-channel design reduces board space compared to single-channel alternatives. Verify that the 5300Vrms isolation rating meets the safety requirements of the target application environment.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP521 series of optically coupled isolators. The series typically includes variants such as TLP521 (single channel), TLP521-2 (dual channel), and TLP521-4 (quad channel). These devices are designed for general-purpose isolation applications using infrared LEDs and NPN phototransistors.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.