PS2802-4-A

Overview

The PS2802-4-A is a quad-channel transistor output optocoupler from the Renesas PS series, housed in a 16-pin SSOP package. It features NPN photodarlington outputs with an isolation voltage of 2500 Vrms. The device supports a maximum collector-emitter voltage of 40 V and a peak forward current of 50 mA. Key electrical parameters include a typical current transfer ratio of 200%, a forward voltage of 1.4 V, and a maximum collector current of 100 mA. Switching characteristics specify rise and fall times of 200 µs each, with a reverse voltage rating of Vr.

Feature Summary

• Integrates four independent high-isolation channels within a single compact surface-mount package for efficient circuit design.
• Utilizes NPN photodarlington output configuration to provide high current gain and robust signal transmission capabilities.
• Ensures reliable galvanic isolation between input and output circuits through a specified dielectric strength rating.

Applications

• Industrial automation control systems requiring multi-channel signal isolation
• Solid-state relay driver circuits for AC/DC load switching
• Microcontroller interface modules for noise-immune data communication

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm RoHS compliance status and lead time availability directly with authorized distributors. Ensure storage conditions meet moisture sensitivity level requirements prior to assembly. Validate pinout alignment with PCB footprint designs to prevent installation errors during surface mount processing.

Selection Notes

Choose this component when multiple isolated channels are required in a space-constrained application. The photodarlington output offers higher current drive capability compared to standard phototransistors. Consider the 200 µs switching speed limitations for high-frequency applications where faster alternatives may be necessary. Evaluate thermal dissipation requirements based on the specific operating environment and duty cycle constraints.

Part Context

This part belongs to the PS2802 family of quad-channel optocouplers manufactured by Renesas Electronics. It shares the same physical package and channel count as variants like PS2802-4-F3-A but differs in specific electrical characteristics and certification suffixes. The PS series is designed for general-purpose industrial applications requiring reliable isolation.

Replacement Considerations

PS2802-4-F3-A