ISP521-4XGBSM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-4XGBSM is a surface-mount, quad-channel transistor output optocoupler manufactured by Isocom Components. It integrates four infrared light-emitting diodes with NPN silicon phototransistors in an 8-pin plastic package. The device provides high isolation voltage of 5300Vrms and supports a minimum current transfer ratio of 50%. Designed for space-efficient mounting, it operates within a temperature range of -30°C to 100°C and complies with RoHS standards.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Quad-channel configuration for high-density circuit integration
• High isolation voltage capability for safe signal transmission
• Surface-mount packaging for automated assembly efficiency

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial system controllers
• Computer terminals
• Signal transmission between systems of different potentials

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SM' confirms surface-mount tape-and-reel availability if required. Confirm that the 'G' designation indicates the 10mm lead spread option if through-hole compatibility is needed. Ensure the datasheet version matches the production batch for parameter consistency. Check for any custom electrical selection requirements prior to ordering.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a compact footprint. The high CTR specification suits applications demanding robust switching performance. Verify input current limits against the driving source capabilities. Consider thermal management requirements given the dense packaging configuration.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP521 series family, which includes single, dual, and quad channel variants. Isocom Components produces these as industry-standard replacements for legacy optocouplers. The series is known for providing alternative sourcing for discontinued components while maintaining standard pinouts and electrical characteristics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include TLP521-4 and TLP521-4BLSM from Isocom. Cross-brand equivalents may exist but require verification of pinout and isolation ratings.