PS2501L-1-F3-H-A

Overview

The CEL PS2501L-1-F3-H-A is a single-channel transistor output optocoupler featuring an NPN silicon phototransistor and a GaAs infrared LED. It provides high isolation voltage of 5000 Vrms with a maximum collector-emitter voltage of 70 V and collector current of 30 mA. The device operates within a temperature range of -55°C to +100°C, dissipating up to 150 mW. It utilizes a surface-mount DIP-4 gull wing package for compact circuit integration.

Feature Summary

• High isolation voltage capability for safe signal transmission across potential barriers
• Integrated GaAs light emitting diode paired with NPN silicon phototransistor
• Surface-mount packaging design suitable for automated assembly processes

Applications

• Industrial control systems requiring galvanic isolation
• Power supply feedback loops
• Signal interface between microcontrollers and high-voltage circuits

Procurement Notes

Verify the specific suffix H-A against official datasheets to confirm pinout and package dimensions. Confirm lifecycle status as components may be discontinued or restricted. Ensure compatibility with existing PCB footprints before procurement.

Selection Notes

Select this component when high isolation voltage and small form factor are required. Compare CTR specifications against load requirements. Verify thermal dissipation limits under operating conditions to ensure reliability in enclosed environments.

Part Context

This part belongs to the PS2501 series of high-isolation voltage photocouplers. The series includes variants with different packaging and electrical characteristics. The L-series typically denotes specific lead-free or environmental compliance attributes depending on the manufacturer's coding standards.

Replacement Considerations

PS2501AL-1-F3-A is listed as a possible replacement by some distributors, though it carries an NRND status. Verify electrical equivalence and pin compatibility before substitution.