SDP810-125PA

Pressure Sensors Transducers Overview

The SDP810-125PA is a digital differential pressure sensor from Sensirion, utilizing patented CMOSens technology. It features a measurement range of ±125 Pa with a 16-bit resolution and I2C interface. Operating on a supply voltage of 2.7 V to 5.5 V, it draws 3.8 mA current. The device supports dual axial barbless ports for tube connection and functions within a temperature range of -40°C to +85°C.

Pressure Sensors Transducers Feature Summary

• Integrates patented CMOSens technology for high accuracy and long-term stability without zero drift.
• Provides digital output via I2C interface with 16-bit resolution for precise data transmission.
• Designed for non-aggressive gases with robust performance in HVAC applications.

Pressure Sensors Transducers Applications

• VAV controllers
• Filter monitoring systems
• Heat recovery units

Pressure Sensors Transducers Procurement Notes

Verify the specific ordering suffix to confirm package type and interface configuration. Ensure the selected variant matches the required pressure range and port style for the target application. Cross-reference the manufacturer datasheet for exact electrical specifications and mechanical dimensions before integration.

Pressure Sensors Transducers Selection Notes

Select this component for applications requiring accurate differential pressure measurement of air or non-aggressive gases. The digital I2C output simplifies system integration compared to analog sensors. Consider the ±125 Pa range suitability for low-flow or low-pressure drop scenarios typical in modern HVAC systems.

Pressure Sensors Transducers Part Context

This part belongs to the SDP800 series, which represents an evolution of previous generations like the SDP600. The series leverages mature thermal flow measurement principles, integrating heated elements and temperature sensors on a silicon chip for reliable airflow detection in cost-sensitive environments.

Pressure Sensors Transducers Replacement Considerations

SDP610-125PA is a documented predecessor in the series. Verify compatibility regarding pinout and software drivers when transitioning between these models.