CNW85SD

Transistor, Photovoltaic Output Optoisolators Overview

The CNW85SD is a single-channel photovoltaic output optoisolator manufactured by onsemi. It features a gallium arsenide infrared LED coupled to a silicon photovoltaic array, providing high isolation voltage and low input-to-output capacitance. The device operates with a maximum forward current of 50 mA and a forward voltage of 1.4 V. It supports a maximum collector-emitter voltage of 300 mV and an open-circuit voltage of 200 mV. The unit is housed in a 6-SMD gull-wing package and is rated for operation between -30°C and +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Photovoltaic output architecture eliminates the need for external bias voltage on the output side
• High isolation voltage capability ensures safe separation between control and load circuits
• Low input-to-output capacitance minimizes capacitive coupling noise interference

Transistor, Photovoltaic Output Optoisolators Applications

• Solid-state relay driver circuits
• AC/DC power supply feedback loops
• Medical equipment signal isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix SD against the official datasheet to confirm the gull-wing package variant. Confirm RoHS compliance status through the manufacturer's latest material declaration documents. Ensure the ordering part number matches the exact pin configuration required for the target PCB footprint design.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when zero-crossing detection is not required but high isolation and fast switching are needed. The photovoltaic output provides a clean signal without leakage current issues common in transistor outputs. Consider the thermal management requirements for the SMD package during continuous operation.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the CNW85 family of optocouplers designed for general-purpose isolation applications. It serves as a robust alternative to mechanical relays in compact electronic designs. The technology leverages advanced semiconductor materials to achieve reliable performance in demanding environments.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct pin-compatible substitutes within the same manufacturer's portfolio that offer similar isolation ratings. Verify that any replacement maintains the photovoltaic output characteristic if bias-free operation is critical.