SKU: SENS-2003
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TE Connectivity SM9333-BCE-S-125-002 Digital Pressure Sensor, DIFF, 125Pa, I2C/SPI

₹5,059.00 (Inclusive of all taxes)
Out of Stock

The TE Connectivity SM9333-BCE-S-125-002 is a high-accuracy, ultra-low differential pressure sensor with a 0-125 Pa range. It features a digital I2C/SPI interface with 16-bit output, factory calibration, and temperature compensation, making it ideal for integration into medical respiratory devices, HVAC systems, and industrial monitoring applications requiring precise low-pressure measurement.

Features

  • Ultra-low differential pressure sensing range of 0 to 125 Pa.
  • Digital I2C/SPI interface with 16-bit resolution output.
  • Integrated autozero function for minimal offset drift and high accuracy (±1% FS).
  • Wide operating voltage range from 3.0V to 5.5V for flexible system integration.
  • Industrial-grade MEMS sensor in a robust JEDEC SOIC-16 surface-mount package.

Out of stock

Description

The SM9333-BCE-S-125-002 from TE Connectivity is a precision digital differential pressure sensor based on advanced silicon micromachined (MEMS) technology. It incorporates integrated CMOS signal conditioning, providing a fully calibrated and temperature-compensated digital output, eliminating the need for external signal processing components. The sensor’s autozero capability ensures a tight total error band, maintaining high accuracy across its operating temperature range.

Housed in a compact, industry-standard SOIC-16 package, this sensor is designed for direct PCB mounting in space-constrained applications. Its robust construction and adherence to ISO9001 and ISO/TS16949 standards guarantee reliability in demanding environments, from medical equipment to industrial automation and building management systems.

Key Features

  • High-accuracy MEMS-based differential pressure sensing element.
  • Fully factory-calibrated and temperature-compensated digital output.
  • 16-bit resolution via I2C or SPI digital communication interface.
  • Integrated autozero function for superior long-term stability and offset correction.
  • Wide supply voltage compatibility (3.0V to 5.5V) for 3.3V and 5V logic systems.
  • Industrial-grade reliability with certifications including ISO9001 and ISO/TS16949.
  • Compact JEDEC SOIC-16 surface-mount package for easy PCB integration.
  • Ultra-low pressure measurement capability ideal for sensitive airflow monitoring.

Applications

  • Continuous Positive Airway Pressure (CPAP) and medical ventilator airflow monitoring.
  • HVAC duct pressure and airflow balancing in building management systems.
  • Filter clog detection and cleanroom pressure differential monitoring.
  • Industrial process control for low-pressure gas flow and leak testing.
  • Laboratory equipment and instrumentation requiring precise differential pressure measurement.

Technical Specifications

Manufacturer Part NumberSM9333-BCE-S-125-002
Pressure TypeDifferential
Pressure Range0 to 125 Pa
Sensor TechnologySilicon Micromachined (MEMS)
Output TypeDigital (I2C / SPI)
Output Resolution16-bit
Supply Voltage3.0 V to 5.5 V
Accuracy±1% Full Scale
Key FeatureAutozero Function
Package TypeJEDEC SOIC-16
Primary ApplicationsHVAC, Medical Respiratory Devices, Industrial Low-Pressure Monitoring
Width1 cm
Weight0.005 kg

Frequently Asked Questions

What is the communication interface for this pressure sensor?

The SM9333-BCE-S-125-002 provides a flexible digital interface, supporting both I2C and SPI communication protocols. This allows for easy integration with a wide range of microcontrollers, single-board computers like Arduino or Raspberry Pi, and industrial PLCs with digital I/O modules. The interface delivers calibrated 16-bit pressure data.

What is the operating voltage range?

This sensor operates from a wide supply voltage range of 3.0V to 5.5V DC. This makes it directly compatible with both 3.3V and 5V logic systems without requiring a level shifter, simplifying power supply design in embedded applications and industrial control panels.

How does the autozero function work and why is it important?

The integrated autozero function automatically corrects for sensor offset drift over time and temperature. By periodically recalibrating the zero-pressure reading, it minimizes the total error band, ensuring high measurement accuracy and long-term stability critical for applications like medical devices and precision industrial monitoring.

Is this sensor suitable for medical device applications?

Yes, its ultra-low pressure range (0-125 Pa), high accuracy, and digital output make it ideal for medical respiratory applications such as CPAP machines and ventilators, where precise airflow monitoring is essential. The robust MEMS construction and industrial certifications also support reliability in critical use environments.

Package Includes

  • 1 x TE Connectivity SM9333-BCE-S-125-002 Digital Pressure Sensor

Additional Information

Weight 0.005 kg
Dimensions 1 cm