HCPL0452

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL0452 is a single-channel high-speed optocoupler featuring an open-collector phototransistor output. It provides electrical isolation between input and output via an insulating layer, achieving a data rate of 1 Mb/s. The device offers a minimum common-mode transient immunity of 15 kV/µs at VCM = 1500 V. It supports a maximum insulation voltage of 2500 V and has a safety approval insulation voltage of 3750 Vrms for one minute. The component operates within a temperature range of 0°C to 70°C and is available in SO-8 surface-mount packages.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High-speed signal transmission with 1 Mb/s data rate capability
• Superior noise immunity with 15 kV/µs common-mode transient rejection
• Open-collector output design compatible with TTL logic levels

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial high-voltage insulation interfaces
• TTL system isolation
• Switching power supply feedback circuits
• Motor drive power transistor isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the manufacturer origin carefully, as the HCPL-0452 part number was originally developed by HP/Broadcom and is also produced by Toshiba. Confirm that the specific HCPL0452 variant from onsemi matches the required pinout and electrical specifications against the official datasheet before integration. Ensure compliance with RoHS directives if lead-free versions are required for your assembly process.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required alongside robust noise immunity in noisy industrial environments. The open-collector output allows for flexible interfacing with various logic families. Consider the thermal management requirements given the 100 mW power dissipation rating and ensure the operating temperature range aligns with the application's environmental conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the family of single-channel high-speed optocouplers designed to replace pulse transformers in many applications. It utilizes a unique diode-transistor architecture that reduces base-collector capacitance, significantly increasing switching speed compared to conventional phototransistor couplers. The series is widely recognized for its reliability in isolated communication and control systems.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct replacements include HCPL-0453 (widebody package) or HCNW4502/HCNW4503 (hermetic versions). Cross-reference pinouts and insulation ratings with competitors like Toshiba TCPTxxxx series or Fairchild equivalents to ensure functional compatibility.