PS2801-1-L-A

Overview

The PS2801-1-L-A is a single-channel transistor output optocoupler manufactured by Renesas Electronics. It features an NPN phototransistor output and operates within a temperature range of -55°C to +100°C. Key electrical parameters include a maximum collector-emitter voltage of 80 V, a maximum collector current of 50 mA, and an isolation voltage of 2500 Vrms. The device utilizes a forward current of 5 mA with a forward voltage of 1.1 V. Switching characteristics specify a rise time of 3 µs and a fall time of 5 µs. Power dissipation is rated at 180 mW, and the current transfer ratio reaches 600%. It is housed in a compact SSOP-4 surface-mount package.

Feature Summary

• Provides high-voltage electrical isolation between input and output circuits using optical coupling technology.
• Integrates a GaAs light emitting diode with an NPN silicon phototransistor for signal transmission.
• Features a shielded SSOP package design that effectively blocks ambient light interference.

Applications

• Programmable logic controllers
• Measurement instruments
• Power supply units
• Mixed integrated circuits

Procurement Notes

Verify component availability status prior to ordering, as this specific part number may be subject to limited supply or factory special order constraints. Confirm RoHS compliance details through official documentation. Ensure the SSOP-4 package dimensions align with PCB layout requirements. Validate that the 2500 Vrms isolation rating meets system safety standards. Check for any recent lifecycle changes such as NRND status before finalizing procurement plans.

Selection Notes

Select this component when a single-channel isolation interface is required with moderate speed switching capabilities. The 80 V collector-emitter voltage supports standard low-voltage digital logic interfacing. Consider the 3 µs rise time for applications not requiring ultra-high-speed data transmission. The SSOP-4 footprint offers space efficiency for dense circuit designs. Ensure the operating temperature range covers the intended environmental conditions.

Part Context

This device belongs to the PS2801 series of high-isolation voltage photocouplers. The series includes variants with different channel counts and pin configurations, such as the four-channel PS2801-4. All members share common architectural features including the use of GaAs LEDs and NPN phototransistors. The PS2801-1-L-A represents the single-channel configuration optimized for cost-effective and space-constrained isolation applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with direct replacements only if officially documented by the manufacturer. Cross-reference pinouts and electrical ratings carefully when evaluating alternative components from other manufacturers.