PC3H7B

Transistor, Photovoltaic Output Optoisolators Overview

The PC3H7B is a single-channel transistor output phototransistor optocoupler manufactured by Sharp Microelectronics. It features an NPN phototransistor output and operates in a surface-mount SMD-4 Mini-Flat package. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a forward current of 50 mA, and a forward voltage of 1.4 V. The device provides 2500 Vrms isolation voltage and has a power dissipation rating of 170 mW. Typical switching characteristics include a rise time of 4 µs and a fall time of 3 µs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits via optical transmission.
• Features a compact SMD-4 Mini-Flat package suitable for space-constrained designs.
• Offers high insulation voltage capability for safety-critical applications.

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial control systems
• Interface circuits for microcontrollers and logic devices
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific datasheet revision and RoHS compliance status before procurement, as manufacturing details may vary. Confirm availability through authorized distributors, noting that some sources indicate stock status or discontinuation risks. Ensure the ordering suffix matches the required packaging format, such as tape and reel or cut tape, to align with assembly requirements.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a low-profile surface-mount solution is required for signal isolation. The 80 V collector-emitter voltage rating supports general-purpose switching applications. Consider the 4 µs rise time for moderate-speed digital signal transmission. Verify that the 170 mW power dissipation limit accommodates the thermal environment of the final assembly.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to Sharp Microelectronics' family of transistor output optocouplers designed for general-purpose isolation. The Mini-Flat package variant offers a smaller footprint compared to standard DIP packages, facilitating higher density PCB layouts while maintaining robust electrical isolation performance for digital communication lines.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Cross-reference with other Sharp PC3H7 series variants or equivalent transistor output optocouplers from other manufacturers. Ensure replacement parts match the SMD-4 package dimensions, 2500 Vrms isolation rating, and 80 V collector-emitter voltage specifications to maintain circuit compatibility.