PS2703-1

Overview

The PS2703-1 is an optically coupled isolator containing a GaAs light emitting diode and an NPN silicon phototransistor. It features high isolation voltage of 3750 Vrms and high collector to emitter voltage of 120 V. The device is mounted in a plastic SOP (Small Outline Package) for high density applications, providing a shield effect to cut off ambient light. It supports single isolated channel per package with UL approval.

Feature Summary

• High isolation voltage capability
• High collector to emitter voltage rating
• SOP package with ambient light shielding

Applications

• Hybrid IC
• Telephone/FAX equipment
• Programmable logic controllers

Procurement Notes

Verify the specific ordering suffix (e.g., -E3, -E4, -F3, -F4) as these indicate taping product variations or compliance differences. Confirm UL file number E72422 (S) and VDE0884 approval status if required by design specifications. Ensure the SOP-4 package matches board layout constraints.

Selection Notes

Select this component when high isolation voltage and compact SOP packaging are required. Consider the 120 V collector to emitter voltage limit for switching applications. Verify temperature range requirements against the specified operating limits. Check for specific taping options if automated assembly is planned.

Part Context

The PS2703-1 belongs to a series including PS2703-2 and PS2703-4, all sharing similar optical coupling structures but differing in internal configuration. Manufactured by CEL (Renesas), it utilizes a GaAs LED and NPN phototransistor combination within a plastic SOP housing designed for high-density mounting.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical parameters before considering alternative optocouplers from other manufacturers.