ACPL-573KL-200

Transistor, Photovoltaic Output Optoisolators Overview

The ACPL-573KL-200 is a Class K, dual-channel, hermetically sealed logic output optocoupler manufactured by Broadcom Limited. It operates on a 3.3V supply and provides 1500 Vdc isolation voltage. The device integrates a GaAsP LED with a high-gain photodetector featuring open-collector outputs. Key electrical parameters include a forward current of 1.6 mA, forward voltage of 1.4 V, and a typical current transfer ratio of 1500% at an input current of 0.5 mA. It functions within a temperature range of -55°C to +125°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Hermetically sealed ceramic DIP package compliant with MIL-PRF-38534 Class K standards for maximum reliability.
• High gain photon detector architecture enabling low saturation voltage and superior signal transmission speed compared to traditional Darlington couplers.
• Optimized for low input current applications, maintaining high current transfer ratios at minimal drive currents.

Transistor, Photovoltaic Output Optoisolators Applications

• Military and aerospace systems requiring high-reliability signal isolation
• Medical equipment and life-support systems demanding strict safety standards
• Microprocessor interface circuits in harsh industrial environments

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., -200) against the manufacturer's datasheet to confirm pin configuration and lead finish options. Ensure procurement channels are authorized to guarantee authenticity for Class K components. Confirm that the required packaging and testing levels match the project's quality assurance protocols before finalizing orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed logic isolation is required alongside stringent military reliability standards. It is suitable for designs needing low power consumption and robust performance in extreme temperatures. Consider alternative channel counts or package types if space constraints differ from the standard 8-pin DIP form factor.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ACPL-573KL series of high-reliability optocouplers. The series includes variants such as ACPL-573KL-100 and ACPL-573KL-300, which share similar electrical characteristics but may differ in physical packaging or lead configurations. All variants adhere to the same rigorous manufacturing processes defined by MIL-PRF-38534.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct replacements must also be MIL-PRF-38534 Class K qualified dual-channel optocouplers with identical pinouts and electrical specifications. Verify compatibility with existing PCB footprints and ensure that any substitute maintains the required 1500 Vdc isolation rating and operating temperature range.