TLP521-4XGB

Transistor, Photovoltaic Output Optoisolators Overview

The TLP521-4XGB is a four-channel optically coupled isolator manufactured by Isocom Components. It integrates infrared light emitting diodes and NPN silicon photo transistors within a space-efficient dual in line plastic package. The device provides high isolation voltage of 5.3kV RMS and 7.5kV peak, with a minimum collector-emitter breakdown voltage (BVCEO) of 55V. It features a high current transfer ratio with a minimum value of 50%. All electrical parameters are 100% tested to ensure consistent performance standards across the component.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates infrared LEDs and NPN silicon phototransistors for optical signal transmission
• Provides high isolation voltage capability up to 5.3kV RMS and 7.5kV peak
• Features high current transfer ratio with a minimum specification of 50%
• Offers high collector-emitter breakdown voltage with a minimum rating of 55V

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 configuration against official datasheets to confirm pinout and packaging variations. Ensure compatibility with required isolation voltage ratings and current transfer ratios for the target circuit design. Confirm RoHS compliance status and lead-free certification requirements prior to procurement. Cross-reference manufacturer part numbers to avoid confusion with similar series variants.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-density mounting is required alongside robust electrical isolation. The four-channel configuration supports multiple independent signal paths within a single package. Verify that the 55V BVCEO rating meets the output circuit voltage requirements. Consider the 50% minimum current transfer ratio for drive current calculations. Ensure the operating temperature range aligns with the application environment constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the TLP521 series of high-density mounting phototransistor optically coupled isolators. The series includes various channel configurations such as single, dual, and quad versions. The 'XGB' suffix indicates specific packaging or variant characteristics defined by the manufacturer. These devices are designed for efficient space utilization in electronic circuits requiring galvanic isolation.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include other TLP521 series variants like TLP521-4 or TLP521-4GB if pinout compatibility is confirmed. Verify equivalent isolation voltage and current transfer ratio specifications before substitution. Check for identical package dimensions and lead spacing to ensure mechanical fit.