ISP521-2GBSM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-2GBSM is a dual-channel transistor output optocoupler manufactured by Isocom Components. It integrates an infrared light-emitting diode and two NPN silicon phototransistors within a surface-mount plastic package. The device provides high electrical isolation with a rated insulation voltage of 5300 V RMS. It features a minimum collector-emitter breakdown voltage (BVCEO) of 55 V and supports a maximum forward current of 50 mA. The unit is RoHS compliant and designed for space-efficient circuit board mounting.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration providing independent signal isolation paths
• High dielectric strength ensuring safe operation in high-voltage environments
• Surface-mount construction for automated assembly processes

Transistor, Photovoltaic Output Optoisolators Applications

• Logic-to-logic isolation in noisy industrial environments
• Signal transmission between systems with different potential levels
• Computer peripheral interface circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation to confirm the exact physical package dimensions and lead configuration required for the target PCB footprint. Ensure that the procurement documentation explicitly states compliance with relevant safety standards such as UL or VDE if isolation certification is mandatory for the end application. Confirm that the component matches the intended channel count and output type specifications.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a compact, dual-channel solution is required for galvanic isolation between low-power control logic and higher-voltage loads. The surface-mount format is suitable for applications where board space is limited. Consider the 55 V collector-emitter breakdown voltage limit when designing the output stage to ensure the load voltage remains within safe operating boundaries during switching operations.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP521 series family produced by Isocom Components. The series is known for replacing standard industry optocouplers while offering customizable electrical parameters. The 'G' suffix typically denotes a specific pin pitch variant, while 'SM' indicates a surface-mount package style. This model serves as a direct functional equivalent to other widely used dual-channel transistor output isolators.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

• TLP521-2GBSM
• ISP521-2XGBSM