PS9821-1-F4-A

Logic Output Optoisolators Overview

The CEL PS9821-1-F4-A is a high-speed logic output optoisolator featuring one channel with an open collector output. It operates within a supply voltage range of 2.7V to 3.6V and supports a data rate of 15Mbps. The device provides 2500Vrms isolation voltage and a minimum common-mode transient immunity (CMTI) of 15kV/µs. Typical propagation delays are 75ns for both low-to-high and high-to-low transitions, with rise and fall times of 20ns and 5ns respectively. It functions in temperatures from -40°C to 85°C.

Logic Output Optoisolators Feature Summary

• High-speed signal transmission capability suitable for digital communication interfaces
• Robust noise immunity characterized by high common-mode transient rejection
• Open collector output configuration for flexible logic interfacing

Logic Output Optoisolators Applications

• Industrial automation control systems requiring galvanic isolation
• Communication equipment signal interface circuits
• Microcontroller input/output isolation protection

Logic Output Optoisolators Procurement Notes

Verify the specific suffix F4-A against official datasheets to confirm pinout and electrical characteristics match your design requirements. Ensure compatibility with existing PCB footprints and thermal management strategies. Confirm availability status as component lifecycles may change. Cross-reference manufacturer documentation for any recent revisions or obsolescence notices before finalizing procurement plans.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required within a single-channel configuration. The open collector output allows for easy interfacing with various logic families. Consider the 2500Vrms isolation rating for safety compliance in industrial environments. Evaluate the 15Mbps data rate against system bandwidth needs to ensure signal integrity without excessive delay.

Logic Output Optoisolators Part Context

This part belongs to the NEPOC series of high-speed photocouplers manufactured by CEL. It utilizes a GaAlAs LED technology for efficient light emission. The device is designed to replace older generation optocouplers in applications demanding faster response times and higher noise immunity while maintaining standard package dimensions for drop-in compatibility.

Logic Output Optoisolators Replacement Considerations

Direct substitutes include the PS9821-1-F3-AX. Verify pin compatibility and electrical specifications before substitution.