PS2503L-1-A

Overview

The PS2503L-1-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It integrates a GaAs infrared emitting diode with an NPN silicon phototransistor in a DIP-4 Gull Wing package. Key electrical parameters include a maximum collector-emitter voltage of 40 V, a maximum collector current of 30 mA, and a forward current of 80 mA. The device offers a high insulation voltage of 5000 Vrms and a current transfer ratio ranging from 100% to 400%. Operating temperatures span from -55°C to +100°C, with rise and fall times of 20 µs.

Feature Summary

• High-speed switching capability with low input current requirements
• Strong electrical isolation via 5000 Vrms insulation voltage
• Wide operating temperature range for industrial environments

Applications

• Industrial control systems requiring signal isolation
• Power supply feedback loops
• Microcontroller interface circuits

Procurement Notes

Verify the component status as NRND (Not Recommended for New Designs) before procurement. Confirm that the specific suffix matches the required packaging and pin configuration. Ensure compatibility with existing circuit designs due to end-of-life status. Check for RoHS compliance details in the official datasheet. Validate supplier authenticity through authorized channels.

Selection Notes

Select this component when high-speed switching and strong isolation are required in a compact DIP package. Consider the 100-400% current transfer ratio for gain requirements. Evaluate the 20 µs switching speed against system timing constraints. Compare power dissipation limits with thermal management capabilities. Verify voltage ratings match the application's peak operating conditions.

Part Context

This part belongs to the PS2503L series of low input current, high-speed switching multi photocouplers. It is designed for applications demanding reliable galvanic isolation between input and output circuits. The series utilizes GaAs LED technology for efficient light emission and silicon phototransistors for robust signal detection.

Replacement Considerations

Public confirmed substitute part numbers: PS2503L-1-F3-A, PS2503L-1-L-A.