HCPL2531SVM

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL2531SVM is a dual-channel high-speed transistor output optocoupler manufactured by Fairchild Semiconductor. It features an AlGaAs LED optically coupled to a phototransistor detector, housed in an 8-SMD (Gull Wing) package. The device supports a data rate of 1 MBps and provides an isolation voltage of 5000 Vrms. Key electrical parameters include a maximum forward current of 25 mA, a maximum collector-emitter saturation voltage of 0.8 V at 8 mA, and a propagation delay of approximately 450 ns. It operates within a temperature range of -40°C to +85°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel architecture for independent signal isolation
• High-speed operation with 1 MBps data rate capability
• Robust insulation strength rated at 5000 Vrms
• Compatible with standard TTL and CMOS logic families

Transistor, Photovoltaic Output Optoisolators Applications

• Isolation of digital communication interfaces
• Signal transmission between microprocessors and peripheral devices
• Noise immunity in industrial control systems
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the manufacturer marking on the component body to distinguish between Fairchild Semiconductor and other producers such as ON Semiconductor or Broadcom, as part numbers may overlap across brands. Confirm the specific suffix indicates the surface-mount gull-wing package variant rather than through-hole DIP versions. Ensure compliance with RoHS directives if required for the target assembly process.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required alongside high-speed data transmission capabilities. The surface-mount gull-wing package facilitates automated PCB assembly. Consider the 5000 Vrms isolation rating for applications requiring significant potential difference between input and output circuits. Verify that the 1 MBps speed meets the system timing requirements compared to slower general-purpose optocouplers.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the family of high-speed transistor output optocouplers, sharing functional similarities with parts like the HCPL-2530 and HCPL-4502. It serves as a bridge for isolating noisy digital environments from sensitive control logic. The dual-channel design allows for cost-effective isolation of bidirectional data lines or parallel bus structures within compact electronic assemblies.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCPL2531SV

Transistor, Photovoltaic Output Optoisolators FAQ

What is the isolation voltage rating of the HCPL2531SVM?

The device is rated for an isolation voltage of 5000 Vrms.

Does the HCPL2531SVM support TTL logic levels?

Yes, the input circuitry is compatible with standard TTL logic families.