4N37-X000

Transistor, Photovoltaic Output Optoisolators Overview

The Vishay 4N37-X000 is a single-channel transistor output optocoupler featuring an NPN phototransistor. It provides 5000 Vrms isolation test voltage via double molding technology. Key electrical parameters include a minimum current transfer ratio of 100%, a maximum collector-emitter voltage of 30 V, and a maximum collector current of 50 mA. The device operates within a temperature range of -55°C to +100°C, with a power dissipation rating of 150 mW.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage isolation through Vishay's double molding manufacturing process.
• Features a silicon NPN phototransistor coupled with a gallium arsenide infrared LED.
• Offers low input-output coupling capacitance for effective noise rejection.

Transistor, Photovoltaic Output Optoisolators Applications

• AC mains detection
• Logic ground isolation
• Switch mode power supply feedback

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix against official Vishay documentation to confirm package type and tape/reel specifications. Confirm RoHS compliance status and lead-free availability directly from the manufacturer datasheet before procurement. Ensure the ordering code matches the required isolation voltage ratings and pin configuration for your design.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and standard logic interface compatibility are required. The NPN phototransistor output suits general-purpose switching applications. Verify that the 100% minimum CTR meets the drive requirements of the connected load circuitry.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the industry-standard 4N3x family of single-channel phototransistor optocouplers. These devices are widely used for galvanic isolation in digital communication and power control circuits. The X-series designation typically indicates specific packaging or environmental compliance variations within the standard product line.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Cross-reference with other Vishay 4N37 variants or equivalent industry-standard parts like PC817 or ILD200 only if electrical parameters such as CTR, isolation voltage, and package dimensions are verified to be compatible.