ISP521-4G

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-4G is a four-channel optocoupler manufactured by Isocom Components 2004 LTD. It features a 16-pin DIP package and provides an isolation voltage of 5300Vrms. The device utilizes NPN silicon phototransistor outputs with a maximum output current of 50mA per channel. It operates within a temperature range of -30°C to 100°C and includes UL certification for safety compliance.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four independent channels for multi-signal isolation
• High isolation voltage rating for robust circuit protection
• NPN phototransistor output configuration
• Surface mount or through-hole compatible 16-pin DIP form factor

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems
• Power supply units
• Telecommunications equipment

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix against official Isocom documentation to confirm pinout and electrical tolerances. Ensure the procurement source provides valid UL certification records. Confirm package dimensions match the 16-DIP specification before integration into PCB designs.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when four isolated channels are required in a single package. Consider the 5300Vrms isolation barrier for high-voltage separation needs. Verify that the NPN output type aligns with the downstream logic requirements of the target application circuit.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP521 series, which offers high-density optical isolation solutions. Isocom Components specializes in replacing obsolete standard optocouplers with equivalent or superior performance alternatives. The series supports various industrial and commercial applications requiring reliable signal transmission across isolated boundaries.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: TLP521-4 (Note: Verify pinout compatibility as TLP521-4 is typically 16-pin quad while standard TLP521 is 4-pin; ensure exact channel count matches). Check datasheets for identical isolation voltage and CTR specifications.