• Piezoresistive Silicon Pressure Sensors
  • Piezoresistive Silicon Pressure Sensors
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Piezoresistive Silicon Pressure Sensors

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    Price on request   ≥1piece

  • Model Number

    SPA402 Series

  • Data Sheet

  • Package

    Original packaging

  • Specs

    SPA402 Series

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Product Description

Piezoresistive Silicon Pressure Sensor Module for medium pressure ranges

SPA402 Series Piezoresistive Silicon Pressure Sensors General Description
The SPA 402 Series offers piezoresistive silicon, stainless steel pressure sensors. Product highlights include excellent overpressure characteristics and chemical resistance. Media isolated sensors are designed to operate in hostile environments and yet give the outstanding sensitivity, linearity, and hysteresis of a silicon sensor. This pressure sensor is compatible with 316L stainless steel, a type of steel that increases corrosion resistance, improves resistance to pitting from chloride ion solutions, and provides increased strength at high temperatures. 

The sensor chip is housed in a fluid-filled cylindrical cavity and isolated from measured media by a stainless steel diaphragm and body. The oil-filled cavity in this unique design of pressure sensor is at a minimum volume so the accuracy is greatly improved.

The SPA 402 silicon pressure sensor is a thermally compensated device and has am amplified output with a ratiometric output signal (10% to 90% of supply voltage). This new pressure sensor offers design engineers excellent performance in various applications, especially for low pressure and smaller solutions. 

SPA402 Series Piezoresistive Silicon Pressure Sensors Features
• Amplified
• Calibrated and compensated
• With media separation
• Excellent media resistance
• O-ring mounting
• Pressure ranges: 5 to 500 psi

SPA402 Series Piezoresistive Silicon Pressure Sensors Applications
• Industrial
• Pneumatic and hydraulic components (e.g. valves, pumps)
• Level measuring (e.g. environmental technology)
• Process industry

SPA402 Series Piezoresistive Silicon Pressure Sensors Specifications
All parameters are measured at supply voltage 5V at reference conditions unless otherwise specified
Standard Pressure Ranges
PSI
 bar
 Output signal (Offset)
 Output signal (FSO)
Proof pressure
[PSI/bar]
Negative pressure
[PSI/bar]
Burst pressure
[PSI/bar]

@ Vs = 5 V
@ Vs = 5 V
5
 0.35 10 % Vs
 0.5 V
 90 % Vs
 4.5 V
 30
 2 --
 --
 15
 ≥ 3
15 1 75 5 --
 --
 112 ≥ 7.5
30 2 150 10 --
 --
 225 ≥ 15
50 3.5 250 17.5 --
 --
 375
 ≥ 25
100 7 250 35
 -15
 -1
 750 ≥ 50
300 20
 1200 80 -15
 -1
 1800 ≥ 120
500 35 1500 105 -15
 -1
 3150 ≥ 210
Supply / Performance

min.
 typ.
 max.
Supply voltage Vs                 [V]
 2.7
 5.0
 5.5
Current consumption         [mA]
 2.5 max.
Linearity             [% FSO BFSL]
 - 0.25
 ±0.1
 0.25
Hysteresis                      [%FS0]
 - 0.05
 ±0.02
 0.05
Output load resistance        [kΩ]
 ≥ 5
Insulation resistance          [MΩ]
 50 (between housing and sensor chip) @ 50 V DC
Thermal errors

pn ≤ 5 psi
 pn ≤ 5 psi
Thermal error offset        [% FSO]
 ≤ ±1.0
 ≤ ±0.75
Thermal error span         [% FSO]
 ≤ ±1.0
 error band ≤ 1.4

0 to 70 °C (32 to 158 °F)
 0 to 85 °C (32 to 185 °F)
Operating temperature ranges
Media
 -40 to 125 °C  (-40 to 257 °F)
Storage
 -40 to 125 °C  (-40 to 257 °F)
Mechanical stability
Vibration
 10 g RMS (20 to 2000 Hz)
Schock
 100 g / 11 ms
Electrical connections
Standard
 JST connector
Materials
Housing
 Stainless steel 316L (1.4404)
Diaphragm
 Stainless steel 316L (1.4435)
Media wetted parts
 Housing, diaphragm
Miscellaneous
Installation position
 any
Protection class
 IP 00
Weight
 Standard: approx. 10 g
Sealing
 O-Ring 15.5 x 1.5 (material: FKM)

SPA402 Series Piezoresistive Silicon Pressure Sensors Ordering Codes