HCPL-273L-500E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-273L-500E is a high-speed optocoupler from the Broadcom HCPL series, featuring two independent channels in an 8-pin PDIP Gull Wing package. It utilizes a Photodarlington output configuration to achieve a data rate of 100 kb/s with an isolation voltage of 3750 Vrms. Key electrical parameters include a forward current of 20 mA, a forward voltage of 1.5 V, and a reverse voltage rating of 5 V. The device supports an output current of 60 mA and offers a current transfer ratio of 1600%. Power dissipation is rated at 135 mW, operating within a temperature range of 0°C to +70°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel architecture providing independent signal isolation paths within a single compact package.
• Photodarlington output stage designed for high current transfer efficiency and robust signal transmission.
• High-voltage insulation capability ensuring safe separation between input and output circuits.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation for signal integrity.
• Data communication interfaces utilizing low-speed serial protocols.
• Power supply feedback loops for monitoring and regulation.

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status as specific suffixes may indicate non-compliant variants. Ensure the ordering code matches the required packaging format and temperature grade. Cross-reference datasheet revisions to confirm pinout and electrical characteristics align with design requirements before procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required with moderate speed capabilities up to 100 kb/s. The Photodarlington output suits applications needing higher drive currents compared to logic outputs. Consider the 8-pin DIP form factor for through-hole mounting constraints. Evaluate thermal management needs given the 135 mW power dissipation limit in enclosed environments.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL series of high-speed optocouplers manufactured by Broadcom Limited. The series is characterized by reliable performance in industrial and commercial applications. The HCPL-273L variant specifically denotes the dual-channel configuration with Photodarlington outputs, distinguishing it from single-channel or logic-output counterparts within the same family.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCPL-2731-000E is a verified substitute offering similar dual-channel specifications with a wider operating temperature range (-40°C to +85°C) and a slightly higher current transfer ratio of 1800%.