NovaSensor NPP-301 Series

NovaSensor NPP-301 Series

Surface Mount Pressure Sensors

The NovaSensor NPP-301 Series features silicon pressure sensors in surface mount packages. An ultra-small Silicon Fusion Bonded (SFB), ultra-high stability SenStable® piezoresistive chip from NovaSensor is placed in a plastic package that exploits high volume, leadframe package technology to bring forth a low-cost sensor alternative to the OEM user.The NPP-301 Series produces a voltage output that is linearly proportional to the input pressure. The user can provide NPP Series products with signal conditioning circuitry to amplify the output signal or to maximize OEM value added. The NPP-301 Series is compatible with most non-corrosive gases and dry air.

Application
  • Automotive tire pressure
  • Pneumatic controls
  • Pressure switches and controllers
  • Altimeters and barometers
  • Cable leak detection
  • Consumer appliances
  • Portable gauges and manometers

Features
  • Low-cost surface mount package: SO-8
  • Wide operating temperature range: -40°F to 257°F (–40°C to 125°C)
  • Static accuracy <0.20% FSO maximum
  • Suitable for automated component assembly
  • Four element Wheatstone bridge configuration for circuit design flexibility
  • Solid-state reliability
  • 100, 200 and 700 kPa absolute pressure ranges available

Specifications

Pressure Ranges Value
Gauge and Differential 5, 15, 30, 50 and 100 psi (0.34, 1, 2, 3.4 and 7 bar)
Absolute 15, 30, 50 and 100 psi (1.03, 2.06, 6.89 bar)

Parameter Value
Operating Temperature Range -40°F to 257°F (-40°C to 125°C)
Storage Temperature Range -67°F to 302°F (-55°C to 150°C)
Weight 0.005 lb (2.5 g)

Performance Parameters(1) Minimum Typical Maximum Units Notes
Full Scale Output (FSO) 105 125 155 mV
Zero Pressure Output -50 0 50 mV 2
Linearity — — 0.1 %FSO 3, 7
Pressure Hysteresis — — 0.1 %FSO
Input and Output Impedance 2500 4000 6000 Ω
Thermal Accuracy–Span — 1.5 — %FSO 2, 4
Thermal Accuracy–Zero — 0.5 — %FSO 2, 4
Coefficient-Resistance Temperature — 0.3 — %/°C 4
Thermal Hysteresis–Zero — 0.1 — %FSO 4
Pressure Overload — — 3X Rated 5, 8
  1. Ambient temperature = 77°F (25°C), unless otherwise noted. Supply current = 1.5 mA. Gauge and differential pressure devices are tested by applying pressure to the positive differential port (P2) and venting to atmosphere the reference port (P1).
  2. External resistors can be added to reduce temperature errors and calibrate the offset and FSO.
  3. Best fit straight line.
  4. Temperature range 32°F to 140°F (0°C to 60°C), reference to 77°F (25°C).
  5. 3X or 200 psi (13.78 bar) maximum, whichever is less.
  6. Exposed materials are pyrex, ceramic, silicon, epoxy, RTV and stainless steel.
  7. 5 psi (0.34 bar) specifications: Linearity: 0.25 ±%FSO.
  8. Port 1 is limited to 60 PSIG for differential and absolute pressure sensors. Contact factory for 50 PSIA/D and 100 PSIA/D units.

Product Documents

Part Numbers
Part Number Description
NPP-301A-100A 5 psia, non-ported
NPP-301A-200A 30 psia, non-ported
NPP-301A-700A 100 psia, non-ported
NPP-301A-100AT 15 psia, non-ported
NPP-301A-200AT 30 psia, non-ported
NPP-301A-700AT 100 psia, non-ported
NPP-301B-100A 15 psia, ported
NPP-301B-200A 30 psia, ported
NPP-301B-700A 100 psia, ported
NPP-301B-100AT 15 psia, ported
NPP-301B-200AT 30 psia, ported
NPP-301B-700AT 15 psia, ported
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