4N35VM

Transistor, Photovoltaic Output Optoisolators Overview

The onsemi 4N35VM is a single-channel transistor output optocoupler housed in a 6-pin PDIP package. It features an NPN phototransistor output with a collector-emitter voltage of 30 V and a maximum forward current of 60 mA. The device provides high isolation capability with an insulation voltage of 4170 Vrms. Key electrical parameters include a minimum current transfer ratio of 100% at 10 mA input, a forward voltage of 1.5 V, and a collector-emitter saturation voltage of 300 mV. It operates within a temperature range of -40°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using infrared LED and phototransistor technology.
• Features a standard six-pin dual in-line package suitable for through-hole mounting.
• Designed for reliable signal transmission with high common-mode transient immunity.

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring isolated signal interfaces
• Power supply feedback loops for voltage regulation
• Microcontroller input/output isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'VM' against the manufacturer's latest datasheet to confirm pinout compatibility and material compliance. Ensure the procurement source provides valid traceability documentation. Confirm that the component status remains active before finalizing orders, as availability may vary by region.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a standard NPN phototransistor output is required for cost-effective isolation. Consider the 4170 Vrms insulation rating for safety-critical applications. Evaluate the 100% minimum CTR requirement against the driving circuit capabilities to ensure sufficient switching margins under all operating conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

The 4N35 series is a widely recognized family of general-purpose optocouplers. The 4N35VM variant specifically denotes the version manufactured by onsemi, continuing the legacy of Motorola semiconductor designs. It serves as a foundational component for basic digital isolation tasks in industrial and consumer electronics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include other 4N35 variants from different manufacturers, such as the HCPL-2630 or PC817, provided pinouts and electrical characteristics match. Verify that alternative components meet the same insulation voltage and current transfer ratio specifications.