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Spacecraft Systems In Production

Dual-Axis Micro Analog Solar Sensor

The dual-axis micro analog solar sensor uses four silicon photodiodes as the sensing elements to measure the solar incident angle in two axes.

Dual-Axis Micro Analog Solar Sensor

Key Specifications

Model
C-SS-SiC-Ana/B-2B
Measurement Accuracy
< 0.5°
Flight Heritage
First flight in 2015
Application
Microsatellite
Dimensions (mm)
40 × 34.5 × 13.5
Weight (g)
37
Published: October 16, 2025 Last updated: February 13, 2026
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Technical Details

Comprehensive specifications and technical information

Quick Overview

The dual-axis micro analog solar sensor uses four silicon photodiodes as the sensing elements to measure the solar incident angle in two axes.

Key Specifications

ParameterValue
ModelC-SS-SiC-Ana/B-2B
Measurement Accuracy< 0.5°
Flight HeritageFirst flight in 2015
ApplicationMicrosatellite
Dimensions (mm)40 × 34.5 × 13.5
Weight (g)37
Mounting MaterialLY12 BCZYu
Operating Temperature (°C)−100 to +90
Storage Temperature (°C)−105 to +105
Communication InterfaceAnalog current signal output

Key Features

  • Low cost and high reliability.
  • Lightweight and compact design.
  • Wide operating temperature range and strong radiation resistance.

Applications

  • Used in microsatellite systems for sun vector measurement and solar array attitude detection.

Documentation & Resources

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Frequently Asked Questions

Common questions about Dual-Axis Micro Analog Solar Sensor

How does the Dual-Axis Micro Analog Solar Sensor measure sun angle?

It uses four silicon photodiodes as sensing elements to measure the solar incident angle in two axes, with a measurement accuracy better than 0.5 degrees.

What output interface does the sensor use?

The sensor provides an analog current signal output. It is compact at 40 x 34.5 x 13.5 mm and lightweight at about 37 g.

What temperature range can this solar sensor withstand?

It operates over a wide range of -100 to +90 C and can be stored from -105 to +105 C, with strong radiation resistance for space use.

Does the Dual-Axis Micro Analog Solar Sensor have flight heritage?

Yes. Model C-SS-SiC-Ana/B-2B first flew in 2015 and is used on microsatellites for sun vector measurement and solar array attitude detection.

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