PS2933-1-F3-A

Overview

The PS2933-1-F3-A is a high-isolation voltage optically coupled isolator manufactured by CEL. It integrates a Gallium Arsenide (GaAs) light-emitting diode with an NPN silicon Darlington phototransistor output within a compact 4-Mini-Flat surface-mount package. The device provides a maximum collector-to-emitter voltage of 350V and supports an isolation voltage of 2500Vrms. Key electrical characteristics include a typical rise time of 20µs and fall time of 5µs, with a maximum current transfer ratio of 4500% at 1mA input current. It operates across a temperature range of -55°C to 100°C.

Feature Summary

• High isolation voltage capability for robust signal transmission between isolated circuits
• Darlington output configuration enables high current transfer ratio for sensitive detection
• Compact 4-pin Mini-Flat surface-mount design facilitates high-density PCB mounting

Applications

• Industrial automation control systems requiring galvanic isolation
• Power supply feedback loops for voltage regulation
• Solid-state relay driver circuits

Procurement Notes

Verify the specific suffix F3-A against official datasheets to confirm pinout and packaging dimensions. Confirm availability status as this part may be obsolete or superseded by newer equivalents like the PS2933-1-AX from Renesas. Ensure compliance with RoHS directives if required for your application environment.

Selection Notes

Select this component when high collector-to-emitter voltage (350V) and significant current gain are necessary in a small footprint. The Darlington output structure suits applications demanding higher output current drive capabilities compared to standard phototransistors. Verify that the 2500Vrms isolation rating meets the safety requirements of the target system.

Part Context

This component belongs to the PS2933 series of high-voltage photocouplers designed for industrial and commercial applications. It represents a transition point where California Eastern Laboratories (CEL) products were integrated into Renesas Electronics' portfolio. The series emphasizes reliability and compactness for modern electronic designs.

Replacement Considerations

The PS2933-1-AX from Renesas Electronics Corporation is listed as a parametric equivalent substitute. Verify pin compatibility and electrical specifications before substitution.