HCPL-270L-000E

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-270L-000E is a high-speed optocoupler manufactured by Broadcom Limited, featuring a Darlington phototransistor output stage. It provides electrical isolation with an insulation voltage of 3750 Vrms and operates within a temperature range of 0°C to +70°C. The device supports a maximum forward current of 20 mA and delivers an output current capability of 60 mA. Key timing parameters include a turn-on time of 4 microseconds and a turn-off time of 8 microseconds. The component is housed in an 8-pin DIP package suitable for through-hole mounting.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High current transfer ratio enabled by the Darlington output configuration
• Robust electrical isolation capability for noise immunity
• Fast switching performance suitable for digital signal transmission

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Power supply feedback loops
• Signal isolation in microprocessor-based interfaces

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix code to ensure compatibility with required packaging and lead times. Confirm that the operating temperature range meets the environmental specifications of the target application. Check for RoHS compliance status if restricted substances are a concern. Ensure the through-hole package dimensions align with the PCB layout constraints before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high current drive capability is needed from the optocoupler output without external amplification. The Darlington structure offers higher gain compared to standard phototransistor outputs but may exhibit slower turn-off speeds. Consider the 3750 Vrms isolation rating for safety requirements. Evaluate the 60 mA output current limit against the load requirements to prevent saturation or damage during operation.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the HCPL series of optocouplers from Broadcom Limited, designed for general-purpose high-speed applications. The series includes variants with different output types such as logic gates and transistors. The HCPL-270L specifically utilizes a Darlington pair to maximize current transfer efficiency while maintaining compact physical dimensions in a standard 8-pin dual in-line package format.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include the HCPL-271L which shares similar characteristics. Verify pinout compatibility and electrical parameters such as CTR and isolation voltage when cross-referencing with other manufacturers' equivalents. Ensure the replacement maintains the same package style and thermal performance ratings.