PC942

Overview

The PC942 is a single-channel logic output optocoupler manufactured by Sharp Microelectronics. It features an infrared LED coupled to a high-speed phototransistor output, housed in an 8-DIP package. The device provides electrical isolation with a voltage rating of 5000Vrms. Key timing parameters include a typical rise time of 100ns and a fall time of 200ns. It is classified as a power transistor driver isolator within the OPIC series.

Feature Summary

• High-speed response capability for efficient signal transmission
• Robust electrical isolation between input and output circuits
• Logic-compatible output configuration for direct interface

Applications

• Inverter control systems
• Power transistor driver isolation
• General purpose logic output coupling

Procurement Notes

Verify component authenticity against official Sharp Microelectronics datasheets. Confirm package type matches 8-DIP specifications. Check for RoHS compliance status as some listings indicate non-compliance. Ensure the part number suffix aligns with required isolation and speed characteristics before procurement.

Selection Notes

Select this component when high isolation voltage and moderate switching speeds are required. The 5000Vrms rating suits applications demanding strong galvanic separation. Consider the 100ns/200ns timing for circuit delay calculations. Verify availability as the product status may be listed as obsolete in certain regions.

Part Context

The PC942 belongs to Sharp's OPIC (Opto-Isolated Coupler) family, designed for reliable signal transfer across isolated boundaries. It serves as a specialized isolator for driving power transistors, offering a balance of speed and isolation strength compared to standard logic optocouplers.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Users should consult Sharp Microelectronics for current equivalent recommendations or verify if alternative models from the same manufacturer meet the specific isolation and timing requirements.