SPA 401 Series Pressure Sensors
The SPA 401 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 401 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.
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Features
- 1.5 to 100 PSI
- -40 to 125°C Temperature Range
- Calibrated and compensated Output
- Supply voltage 2.7 to 5.5VDC
- High accuracy (max 0.25% linearity and max 0.05% hysteresis)
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Applications
- Medical Devices
- Process Control & Monitoring Systems
- Environmental Controls
- HVAC
- Laboratory & Calibration Applications
equivalent Circuit
Pressure Sensor Maximum Ratings
Environmental Specification
Help Me Choose
Choose A Part Number Below To View Performance Characteristics
| Pressure Range | Differential | Absolute | Gauge |
| 1.5 PSI | -- | -- | SPA401G-PL15xxxxxxxxxxxx |
| 3 PSI | -- | -- | SPA401G-P003xxxxxxxxxxxx |
| 5 PSI | -- | -- | SPA401G-P005xxxxxxxxxxxx |
| 15 PSI | -- | -- | SPA401G-P015xxxxxxxxxxxx |
| 30 PSI | -- | -- | SPA401G-P030xxxxxxxxxxxx |
| 50 PSI | -- | -- | SPA401G-P050xxxxxxxxxxxx |
| 100 PSI | -- | -- | SPA401G-P100xxxxxxxxxxxx |
| Special pressure ranges | -- | -- | SPA401G-9999xxxxxxxxxxxx |
SPA401G-P003xxxxxxxxxxxx Performance Characteristics
Close| PARAMETER | MIN | NOM | MAX | UNITS | Notes |
| Standard Pressure Ranges | - | - | - | - | - |
| Output Signal (Offset) | - | N/A V | 5 V | N/A V | - |
| Output Signal (Span) | - | N/A V | 5 V | N/A V | - |
| Supply/Performance Characteristics | - | - | - | - | - |
| Supply voltage (V) | - | 2.7 | 5.0 | 5.5 | - |
| Current consumption (mA) | - | 2.5 max. | 2.5 max. | 2.5 max. | - |
| Linearity [%FS0 BFSL] | - | - 0.25 | ± 0.1 | 0.25 | - |
| Hysteresis [%FSO] | - | - 0.1 | ± 0.05 | 0.1 | - |
| Output load resistance [kΩ] | ≥ 5 | - | - | - | - |
| Insulation resistance [MΩ] | 50 (between housing and sensor chip) @ 50 VDC | - | - | - | - |
Standard Pressure Range
Operating Range
0 - 3 PSI
Proof Pressure
30 PSI
Negative Pressure
- 15 PSI
Burst Pressure
45 PSI
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