ISP521-4GBSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-4GBSMT&R is a surface-mount phototransistor optocoupler from Isocom Components. It integrates an infrared LED with four NPN silicon phototransistors in a space-efficient plastic package. The device provides high isolation voltage of 5300Vrms and 7500V peak, ensuring robust signal transmission between systems with different potentials. It features a minimum current transfer ratio of 50% and a breakdown voltage (BVCEO) of at least 55V. All electrical parameters are 100% tested to ensure reliability.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates four independent phototransistor channels for multi-signal isolation
• Provides high dielectric isolation voltage for safety-critical applications
• Utilizes surface-mount packaging for automated assembly efficiency

Transistor, Photovoltaic Output Optoisolators Applications

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

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SMT&R' confirms tape-and-reel packaging configuration during sourcing. Ensure the component matches the required lead spread dimensions if standard spacing is needed. Confirm RoHS compliance status through official documentation before integration into regulated assemblies.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required within a single footprint. The high current transfer ratio supports direct interfacing with logic circuits without additional amplification. Consider the surface-mount form factor for PCB density constraints compared to through-hole alternatives.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP521 series family, which consists of infrared light emitting diodes coupled with NPN silicon photo transistors. The 'ISP' prefix denotes Isocom's manufacturing variant, while '4GB' indicates four channels with specific lead spread options. The 'SMT&R' suffix specifies the surface-mount tape and reel delivery format.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Compatible substitutes include TLP521-4GBSM or TLP521-4GB-SM from Isocom Components. Verify pinout compatibility and isolation voltage ratings match the original design requirements before substitution.