ISP521-2GBSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-2GBSMT&R is a surface-mount, two-channel optically coupled isolator manufactured by Isocom Components. It integrates an infrared light-emitting diode with dual NPN silicon phototransistors in a compact plastic package. The device provides high-density mounting capabilities and ensures electrical isolation between input and output circuits. Key specifications include a minimum current transfer ratio of 50%, a breakdown voltage (BVCEO) of at least 55V, and an isolation voltage rating of 5.3kV RMS with a peak value of 7.5kV. All electrical parameters are subjected to 100% testing during manufacturing.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration integrating infrared LED and NPN phototransistors for simultaneous signal transmission
• High isolation voltage capability ensuring robust separation between input and output circuits
• Surface-mount design optimized for high-density PCB assembly applications
• Guaranteed minimum current transfer ratio for reliable switching performance

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminals requiring signal isolation
• Industrial system controllers needing circuit protection
• Measuring instruments utilizing different potential systems
• Signal transmission between systems with varying impedances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SMT&R' confirms tape-and-reel packaging when sourcing. Confirm that the 'G' designation aligns with the required lead spread dimensions if through-hole compatibility or specific spacing is needed. Ensure the component meets RoHS compliance standards as indicated in official documentation. Cross-reference the manufacturer's datasheet for exact mechanical dimensions before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required within a single package footprint. The high current transfer ratio makes it suitable for driving loads directly without additional amplification stages. Consider the surface-mount format for automated assembly processes. Verify that the 55V collector-emitter breakdown voltage meets the circuit's maximum operating requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP521 series family of optically coupled isolators from Isocom Components. The series typically includes single, dual, and quad channel variants. The 'ISP' prefix often denotes Isocom's specific branding for these standard optocoupler replacements. The device serves as a direct replacement for industry-standard transistor-output optocouplers in various electronic designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include the TLP521-2GB and ISP621-1. Verify pinout compatibility and package dimensions before substitution. Ensure the replacement part maintains the same isolation voltage and current transfer ratio specifications.