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Overview

The 154BSD is a small profile, media compatible, piezoresistive silicon pressure sensor packaged in a 316L stainless steel housing. This 14-bit digital output pressure sensor supports I2C and SPI interface protocols with a 3.3 or 5.0Vdc supply voltage and is designed for o-ring mounting. The sensing package utilizes silicone oil to transfer pressure from the 316L stainless steel diaphragm to the sensing element. The 154BSD is designed for high performance, low pressure applications. A custom ASIC is used for temperature compensation, offset correction, and provides a digital output of 10~90% or 5~95%. For a similar sensor with stainless steel fittings, refer to the 85BSD digital output pressure sensor. 

Benefits

  •  O-Ring mount 
  • ±0.25% Accuracy
  • ±1.0 Total Error Band 
  • Cable/connector option 
  • Low power option
  • I2C or SPI Interface protocols 
Features

Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Sensor Type  Media Isolated Digital Output Pressure Sensors

  • Type  Absolute, Gage

Configuration Features

  • Electrical Connection  Cable w/ Connector, Ribbon Cable, Solder Pads

  • Interface  I²C (0x28H), I²C (0x36H), I²C (0x46H), SPI

Electrical Characteristics

  • Output/Span  14 bit ADC

  • Supply Voltage (V) 3.3

  • Supply Current (mA) 3

  • Output Type  10% to 90%, 5% to 95%

Dimensions

  • Operating Temperature -40 – 125 °C [ -40 – 257 °F ]

  • Dimensions Dia 18.97 x 13.8 mm [ Dia .746 x .54 in ]

Usage Conditions

  • Pressure (psi) 1, 100, 15, 150, 2, 200, 30, 300, 5, 50, 500

  • Pressure (bar) .07, .35, 1, 10, 14, 2, 20, 35, 5, 7

  • Total Error Band (%) ± 1

Operation/Application

  • Accuracy (%) ± .25

  • Overpressure  2X

Packaging Features

  • Package  O-Ring Mount

Other

  • Options  Low Power, None

Related Materials

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Disclaimer:
This information has been provided to you free of charge for your use but remains the sole property of Tyco Electronics Corporation ("TE"). While TE has used reasonable efforts to ensure its accuracy, TE does not guarantee that it is error-free, nor makes any other representation, warranty, or guarantee that the information is completely accurate or up-to-date. In many cases, the CAD data has been simplified to remove proprietary detail while maintaining critical interface geometric detail for use by customers. TE expressly disclaims all implied warranties regarding this information, including but not limited to any implied warranties or merchantability or fitness for a particular purpose.