PS2561L1-1-A

Overview

The PS2561L1-1-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN phototransistor output housed in a 4-SMD gull wing package designed for surface mount installation. The device provides high isolation with a rated insulation voltage of 5000 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a maximum collector current of 50 mA, and a typical forward voltage of 1.17 V at a maximum DC forward current of 80 mA. The unit operates within a temperature range of -55°C to +100°C.

Feature Summary

• Provides galvanic isolation between input and output circuits using an LED and phototransistor configuration.
• Features a compact surface-mount package suitable for automated assembly processes.
• Offers high voltage isolation capability for protecting low-voltage control circuitry from high-voltage loads.

Applications

• Industrial automation control systems
• Power supply feedback loops
• Microcontroller interface circuits

Procurement Notes

Verify the specific suffix against official Renesas documentation to confirm pinout orientation and lead finish specifications. Ensure the selected variant matches the required thermal management and mounting constraints for the target PCB layout. Cross-reference the manufacturer part number with authorized distributors to confirm current availability status and compliance certifications.

Selection Notes

Select this component when a surface-mount solution is required for signal isolation in space-constrained designs. Consider the CTR range and switching speed requirements relative to the driving circuit capabilities. Evaluate the thermal dissipation characteristics of the SMD package against the expected power load during continuous operation.

Part Context

This component belongs to the PS2561 series of transistor output optocouplers. The series is characterized by high isolation voltage ratings and fast switching speeds. The L1 designation typically indicates a specific package style and lead configuration distinct from through-hole variants like the PS2561L-1-A.

Replacement Considerations

PS2561L1-1-V-A

FAQ

What is the maximum collector-emitter voltage rating?

The maximum collector-emitter voltage (Vceo) is rated at 80 V.

Does this device support surface mount technology?

Yes, the PS2561L1-1-A is packaged in a 4-SMD gull wing format designed for surface mount installation.