PS2801C-4-A

Overview

The PS2801C-4-A is a quad channel transistor output optocoupler manufactured by CEL. It features an NPN phototransistor output and provides high isolation voltage of 2500 Vrms. The device is housed in a 16-pin SSOP package with a 1.27 mm pin pitch. It operates within a temperature range of -55°C to +100°C. The component supports single DC coupling configuration per channel.

Feature Summary

• Provides electrical isolation between input and output circuits via optical transmission
• Features high collector-to-emitter voltage capability for robust switching applications
• Utilizes a small and thin SSOP package design for space-constrained PCB layouts

Applications

• Industrial control systems requiring signal isolation
• Power supply feedback loops for safety separation
• Microcontroller interface circuits for noise immunity

Procurement Notes

Verify the specific suffix designation against the manufacturer's current datasheet, as packaging options such as cut tape or reel may vary. Confirm the active status of this part number with authorized distributors, as availability can fluctuate based on production cycles. Ensure the selected variant matches the required insulation voltage and channel count specifications for your circuit design.

Selection Notes

Select this component when four isolated channels are required in a compact footprint. The NPN phototransistor output suits digital switching applications. Verify that the 2500 Vrms isolation rating meets the safety standards of the target application. Consider the thermal performance within the specified operating temperature range during system integration.

Part Context

This part belongs to the PS2801C series of high isolation voltage photocouplers from California Eastern Labs (CEL). The series includes variants with different channel counts and package types. These components are designed for applications demanding reliable galvanic isolation between low-voltage control circuits and higher-voltage power stages.

Replacement Considerations

Consult official substitution guides for equivalent quad-channel optocouplers with matching isolation ratings and pin configurations. Verify compatibility with existing PCB footprints and electrical characteristics before replacing.