PC817XNNIP1B

Transistor, Photovoltaic Output Optoisolators Overview

The PC817XNNIP1B is a single-channel transistor output optocoupler manufactured by Sharp Microelectronics. It features an infrared emitting diode optically coupled to an NPN phototransistor, housed in a 4-pin PDIP package. Key electrical specifications include a maximum forward voltage of 1.4V, a maximum input current of 50 mA, and an isolation voltage rating of 5 kV. The device supports DC input signals and provides logic-level output switching capabilities.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input control circuits and output load circuits using optical transmission.
• Integrates an infrared LED emitter with an NPN phototransistor for signal transfer.
• Designed for reliable operation with standard DC input logic levels.

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial control systems
• Switching applications in consumer electronics
• Logic interface circuits requiring electrical separation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix '1B' against the official Sharp datasheet to confirm exact binning or testing parameters, as variations within the PC817 family may exist. Ensure the PDIP-4 package matches your PCB footprint requirements. Cross-reference the manufacturer part number directly with Sharp Microelectronics documentation rather than relying solely on distributor descriptions to avoid compatibility issues.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a cost-effective, single-channel isolation solution is required for low-speed digital signaling. The 5 kV isolation rating suits general-purpose applications where high-voltage noise immunity is necessary. Consider the 50 mA input current limit and ensure the driving circuit can supply adequate current without exceeding the LED's absolute maximum ratings.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the PC817 series of optocouplers, a widely used family of devices known for their compact size and versatility in isolation tasks. The PC817 series typically offers various packaging options and CTR (Current Transfer Ratio) bins to accommodate different sensitivity requirements across diverse electronic designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Compatible substitutes include other PC817 variants such as PC817XNNIP0F or PC817X1NIP0F, provided the Current Transfer Ratio (CTR) bin and package type are verified to match the design requirements. Always consult the official datasheets to ensure pinout and electrical characteristics align before substitution.