PS2501L-4-E3-A

Overview

The CEL PS2501L-4-E3-A is a quad-channel transistor output optocoupler designed for high-isolation applications. It features an NPN phototransistor array with a 5000 Vrms isolation voltage rating. The device supports a maximum collector-emitter voltage of 80 V and a continuous collector current of 50 mA per channel. It operates within a temperature range of -55°C to +100°C. The component utilizes a 16-pin surface-mount package, specifically the 16-SMD鸥翼 (gull-wing) configuration, suitable for automated assembly processes.

Feature Summary

• Provides four independent signal channels in a single compact package
• Offers high electrical isolation capability for safety-critical circuits
• Features fast switching characteristics with typical rise and fall times of 3µs and 5µs respectively
• Designed for through-hole or surface-mount integration depending on specific variant requirements

Applications

• Industrial automation control systems requiring multi-channel signal isolation
• Power supply feedback loops for isolated voltage regulation
• Microcontroller interface circuits for noise immunity in harsh environments

Procurement Notes

Verify the exact suffix designation against the manufacturer's latest datasheet, as variations such as E3 indicate specific compliance or packaging attributes. Confirm availability status, as this component may be listed as obsolete or discontinued by certain distributors. Ensure the selected package type matches the intended PCB layout constraints before finalizing procurement orders.

Selection Notes

Select this component when multiple isolated channels are required within a limited board area. Consider the 50 mA collector current limit and 80 V breakdown voltage for circuit compatibility. Evaluate the thermal management requirements given the operating temperature range up to +100°C. Verify that the input forward current specifications align with the driving logic levels of the source circuitry.

Part Context

This part belongs to the CEL PS2501L series of optocouplers, which are engineered for general-purpose isolation tasks. The series typically includes variants with different channel counts and package styles. The PS2501L-4-E3-A specifically addresses needs for quad-channel isolation in surface-mount designs, distinguishing it from dual-channel or DIP-package alternatives within the same product family.

Replacement Considerations

Direct substitutes include other quad-channel transistor output optocouplers with comparable isolation ratings and pin configurations. Verify pinout compatibility and electrical parameters such as CTR and saturation voltage when evaluating alternative manufacturers' offerings.