PC357N4

Transistor, Photovoltaic Output Optoisolators Overview

The PC357N4 is a transistor output optocoupler from Sharp Microelectronics, designed for high-speed switching applications. It features an NPN phototransistor output and operates within a temperature range of -30°C to +100°C. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a saturation voltage of 0.2 V, and an isolation voltage of 3750 Vrms. The device supports a maximum forward current of 50 mA with a typical forward voltage of 1.4 V. Current transfer ratios are ranked between 300% and 600%, with rise and fall times of 18 µs.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Optimized for high-speed switching with low input current requirements
• Provides robust electrical isolation via 3750 Vrms insulation voltage
• Features wide operating temperature range suitable for diverse environments

Transistor, Photovoltaic Output Optoisolators Applications

• High-speed signal transmission in industrial control systems
• Interface circuits requiring galvanic isolation
• Switching power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., TJ00F) against official datasheets to confirm current transfer ratio ranking and packaging details. Ensure compliance with RoHS directives and UL1577 certification requirements for your target market. Cross-reference pinout configurations for SOP-4 or Mini-Flat packages to prevent installation errors during assembly.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-speed response is critical alongside moderate current transfer capabilities. Consider the 80 V collector-emitter voltage rating for appropriate load driving. Evaluate the 18 µs switching speed against system timing requirements. Confirm thermal management needs given the 170 mW power dissipation limit at elevated temperatures.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the PC357NJ series of surface-mount optocouplers. It utilizes a miniature flat package design to save board space. The series is characterized by its combination of fast switching speeds and high isolation voltage, making it distinct from slower photodarlington variants in the same product family.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

PC357N3J000F and PC357N2J000F are alternative rankings within the same series with different CTR specifications.