HCPL-J454#500

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-J454#500 is a single-channel high-speed optocoupler manufactured by Broadcom Limited. It features an AlGaAs LED optically coupled to a high-gain phototransistor detector, providing electrical isolation with an insulation voltage of 3750 Vrms. The device supports a data rate of 1 Mb/s and operates within a temperature range of -55°C to 100°C. Key electrical parameters include a maximum forward current of 25 mA, a typical forward voltage of 1.59 V, and a reverse voltage rating of 5 V. The output type is a phototransistor with a collector current of 8 mA. The current transfer ratio (CTR) ranges from 19% to 60% at 16 mA input. Propagation delay is typically less than 550 ns, with a minimum common-mode rejection of 15 kV/μs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High common-mode transient immunity of 15 kV/μs for noise-resistant signal transmission
• Optimized propagation delay difference to support precise dead-time control in switching applications
• TTL-compatible logic interface for seamless integration with standard digital circuits

Transistor, Photovoltaic Output Optoisolators Applications

• Interface connections for intelligent power modules (IPM) and inverters
• High-speed logic ground isolation between TTL and CMOS circuits
• Replacement for pulse transformers in space-constrained designs
• Analog signal ground isolation in industrial systems

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix #500 against official Broadcom documentation to confirm reel packaging specifications. Ensure the component matches the required RoHS compliance status and lead-free designation. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed isolation with tight timing matching is required. The AlGaAs LED technology offers superior performance compared to GaAsP variants. Consider the 3750 Vrms isolation rating for safety compliance. Evaluate the CTR range and propagation delay characteristics against system timing requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL-4504 series of high-speed optocouplers. It utilizes AlGaAs LED technology, distinguishing it from GaAsP-based models like the HCPL-0454. The series is designed for applications requiring fast switching speeds and high reliability in electrically noisy environments.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCPL-0454: Uses GaAsP LED instead of AlGaAs; verify speed and CTR compatibility. HCNW4504: Surface mount variant with similar electrical characteristics but different package form factor.