PRODUCTS & SERVICES
80K Stirling Cryocoolers

FS1ST is a lightweight, single-stage Stirling cryocooler with long service life and specialized for the space environment. This cryocooler is ideal for cooling detectors and heat shields.
Item | Specifications | Note |
---|---|---|
Method | Single-stage Stirling cycle cryocooler | Compressor, cold head split type |
Cooling capacity | 2W at 77 K | After installation at 23℃ |
Environmental temperature | -20 to 23℃ | — |
Power consumption | 55W | Excl. drive electronics |
Service life | > 5 years | — |
Weight | 5.0 ± 0.3 kg | Excl. drive electronics |
Capillary tube | 250 mm (max.) | Bending radius is over R9.5. Can be bent 90° within 3 times. |
X-ray astronomy satellite Suzaku (ASTRO-E2) |
Lunar probe Kaguya (SELENE) |
Venus probe Akatsuki (PLANET-C) |
X-ray astronomy satellite Hitomi (ASTRO-H) |
Climate change observation satellite Shikisai (GCOM-C) |
Hyper spectrum sensor (equipped on the International Space Station) |
Dual wavelength infrared sensor for satellites (equipped on ALOS-3) |
X-Ray Imaging and Spectroscopy Mission (XRISM) |

Item | Specifications | Note |
---|---|---|
Input | 29 to 55V | |
Output | Compressor drive output Balancer drive output |
Compressor maximum output 55W |
Measurement control | Temperature measurement at 2 locations Temperature control heater 0.7W Temperature control accuracy ± 0.1K |
|
Environmental temperature | -30 to 60℃ | |
Power consumption | Under 95W | |
Weight | 6.9 kg | |
Telemetry, command interface | RS422 |