Bradford Fine Sun Sensor (FSS)
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High-accuracy fine sun sensor with ±0.3° accuracy (3σ), 128×128° FOV, 375 g, >100 kRad TID tolerance for demanding missions.
Technical specifications
- FOV
- 128 × 128°
- Accuracy
- ±0.3° (3σ) across mission lifetime
- Resolution
- < 0.03°
- Noise Equivalent Angle
- < 0.05° (3σ)
- Mass
- 375 g
- Power Consumption
- < 0.3 W @ ±15 V
- Data Interface
- Analogue voltage
- Reliability Figure
- 70 FIT @ 30°C; single unit >0.997 over 5 years
- TID Resilience
- > 100 kRad
- SEE Resistance
- Insensitive to SEE
- Electrical Interface
- 15-pin D-sub connector + dedicated test connector
- Mechanical Interface
- 4× M4 mounting holes
About
Bradford’s Fine Sun Sensor (FSS) delivers high pointing accuracy across its entire mission lifetime with ±0.3° (3σ) accuracy and ±0.03° resolution across a 128×128° FOV. At 375 g with a 15-pin D-sub connector, it tolerates >100 kRad TID and is insensitive to SEE. Analogue voltage data interface, 70 FIT at 30°C giving >0.997 reliability over 5 years in orbit for a single unit. Rich heritage across many demanding missions.
Documentation
Need the full ICD, test reports or a specific revision? Ask the supplier directly.
