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Single-Axis Quartz MEMS Accelerometer (±40 g, Digital)

Quartz MEMS Accelerometer · BJTB20CJ01

Single-axis quartz MEMS accelerometer with a ±40 g measurement range, digital output, and bias instability of ≤0.05 mg (Allan deviation). 10 × 10 × 3 mm and ≤1.5 g in an LCC ceramic package, ≤10 mA at 5 V, −45 °C to +80 °C operation.

Performance SpecificationsMeasurement Range
±40 g
Performance SpecificationsBandwidth
≥150 Hz
Read full specifications and measurement conditions ↓
Single-Axis Quartz MEMS Accelerometer (±40 g, Digital)
BJTB20CJ01Product reference

Confirm configuration, interfaces and documentation with your inquiry.

The BJTB20CJ01 is a single-axis quartz MEMS accelerometer designed for high-reliability inertial measurement applications. It features a self-developed flexible quartz MEMS sensing structure, low power consumption, compact size, and robust digital output. The device is encapsulated using an LCC ceramic package and is fully localized and independently controllable. Precision calibration ensures stable performance under various conditions.

Key Features

  • Self-developed flexible quartz MEMS sensing structure
  • Full digital output
  • Compact and lightweight (10 × 10 × 3 mm, ≤1.5 g)
  • Low power consumption (≤10 mA)
  • High reliability and robust performance
  • Wide operating temperature range (-45°C to +80°C)
  • Precision calibration for stable output

Applications

Inertial navigationMotion and vibration measurementAerospace and industrial controlStructural health monitoring

Technical Specifications

Performance Specifications

Power Supply Voltage
5 ± 0.2 V
Operating Current
≤10 mA
Weight
≤1.5 g
Outline Dimensions
10 × 10 × 3 mm
Initialization Time
≤1 s
Measurement Range
±40 g
Scale Factor
- 1 / ±0.005
Scale Factor Nonlinearity
≤300 ppm
Scale Factor Repeatability
≤300 ppm
Scale Factor Temperature Coefficient
≤10 ppm/°C
Threshold Resolution
0.01 mg
Bias (Full Temperature Range)
≤1 mg
Bias Instability (Allan Deviation)
≤0.05 mg
Bias Stability
≤0.1 mg
Bias Repeatability
≤0.3 mg
Velocity Random Walk
≤0.1 m/s/√Hz
Bandwidth
≥150 Hz

Environmental Adaptability

Vibration Resistance (6.06g RMS @ 20Hz~2000Hz)
≤2 mg
Half-Sine Shock (200g @ 6ms)
≤5 mg
Operating Temperature Range
-45 ~ +80 ℃
Storage Temperature Range
-50 ~ +85 ℃

Frequently Asked Questions

What is BJTB20CJ01?+

Single-axis quartz MEMS accelerometer with a ±40 g measurement range, digital output, and bias instability of ≤0.05 mg (Allan deviation). 10 × 10 × 3 mm and ≤1.5 g in an LCC ceramic package, ≤10 mA at 5 V, −45 °C to +80 °C operation.

Which specifications are published for BJTB20CJ01?+

Performance Specifications — Power Supply Voltage: 5 ± 0.2 V; Performance Specifications — Operating Current: ≤10 mA; Performance Specifications — Weight: ≤1.5 g. See the technical specifications for the complete parameter list.

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Supporting information

Documentation,
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Detailed documentation is shared directly with qualified B2B buyers after inquiry, under mutual confidentiality. Include the model and your application.

  • Datasheet (PDF)

    Full performance curves, pinout diagrams, and environmental testing results.

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