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Single Axis Piezoelectric Accelerometer TE Connectivity 20005836-01 for Predictive Maintenance Solutions

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Single Axis Piezoelectric Accelerometer TE Connectivity 20005836-01 for Predictive Maintenance Solutions

TE Connectivity 820M1 Single Axis Accelerometer

The TE Connectivity 820M1 is a low-cost, single-axis, board-mountable piezoelectric accelerometer designed for embedded condition monitoring and preventive maintenance applications. It features a piezo-ceramic crystal in shear mode with low-power electronics, sealed in a hermetic LCC package. The 820M1 offers superior resolution, dynamic range, and bandwidth compared to MEMS devices, making it ideal for machine health monitoring, predictive maintenance, embedded vibration monitoring, impact and shock monitoring, data loggers, bearing installations, and security monitoring. Its amplified analog output and wide bandwidth make it suitable for applications requiring precise vibration and motion measurements.

Product Attributes

  • Brand: TE Connectivity
  • Model: 820M1
  • Origin: TE Connectivity Sensors
  • Material: Piezo-Ceramic Crystal, LCC Package (Alumina, Gold Au/Sn Solder)
  • Certifications: NIST Traceable Amplitude Calibration at 80Hz (All parts shipped with calibration data)

Technical Specifications

ParameterSymbolMinTypMaxUnitNotes/Conditions
ABSOLUTE MAXIMUM RATINGS
Supply voltageVdd1.53.35.5V(2) With 1.5V-2.5V excitation, full-scale range will be limited. So 2.8V min recommended.
Storage temperatureTS-40125C
Shock limit (any axis)gmax10,000g
ESD-2+2kVHuman body model
OPERATING RANGES & NOISE - ACCELEROMETER
Measurement Range256000g
Sensitivity0.2150.0mV/g(30%)
Non-Linearity2%FSO
Residual Noise (2Hz to 10 kHz)0.15705mg RMS(1)
Spectral Noise (10Hz)0.0235.0mg/Hz
Spectral Noise (100Hz)0.0316.1mg/Hz
Spectral Noise (1kHz)0.076.24mg/Hz
Spectral Noise (10kHz)0.025.40mg/Hz
ELECTRICAL SPECIFICATIONS
Excitation voltageVdd3.35.5Vdc
Zero g output voltageVdd/250% of applied voltage
Average supply currentIavg62A
Output impedanceRout100
Warm-up time1Sec
OPERATING SPECIFICATIONS - ACCELEROMETER
Full scale output1.25V
0.0g output voltage (bias V)Vdd/2
Frequency response610kHz1db
Frequency response215kHz3db
Resonant frequency30kHz
Transverse sensitivity8%
Temperature sensitivity-8+8%-40 to 125C Refer to typical curve
ENVIRONMENTAL SPECIFICATIONS
Operating temperature-40125C
Storage temperature-40125C
Ambient humidity0100%
Ingress protectionIP 68Hermetic Package
Weight1.2grams
CONNECTION TABLE
Pin NumberDefinition
1N/Cdo not connect
2GND
3X axis output
4Vdd
5-10N/Cdo not connect

2410301745_TE-Connectivity-20005836-01_C20439447.pdf

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