HARDWARE / PRODUCTUpdated 19 Jul 2026

Redwire Coarse Sun Sensor – Cosine Type

Redwire Corporation
Redwire Coarse Sun Sensor – Cosine Type

Small, lightweight single-detector sun sensor with cosine-symmetric field of view for solar-array pointing and sun acquisition.

Typed specifications12 values

Discloses 2 of 8 fields engineers filter by in this category (category median 4).

Mass
10 g
NOMINAL · datasheet p.1 10 g nom. · 10 grams (nominal), 0.353 oz
Envelope (L×W×H)
1.10" X 0.74" X 0.47"
datasheet p.1 2.8 CM X 1.9 CM X 1.2 CM
Radiation tolerance (TID)
100 krad
Rad hard · datasheet p.1 100 krad min · rad hard >100 krad (Si)
Export status
EAR
ECCN 7A104; export licence required · datasheet p.1
Sensor class
coarse
datasheet p.1
Flight heritage
GRAIL, Mars Phoenix, GPM, GPIM, LRO/LCROSS, WISE, Kepler, SDO, EMM (Hope), Worldview, Fermi (GLAST), MRO, Deep Impact, Swift, Classified Programs
datasheet p.2
Missions flown
12
datasheet p.2
Sensing element
photodiode (cosine)
single detector, approximate cosine response · datasheet p.1
Output current at normal incidence
0.5–1.3 mA
peak output · datasheet p.1

Each value is typed with its unit and measurement condition and cites the datasheet page it was taken from. Nothing is guessed: a field that is absent here has not been published by the manufacturer. machine-extracted ✓ checked by NewSpace Market ✓ manufacturer confirmed by the manufacturer.

As published by the supplier9 lines, in the manufacturer's own wording
Configuration
Single detector
Field of view
Approximate cosine, conical symmetry
Mass
10 g nominal (0.353 oz)
Dimensions (flange x body x height)
1.10 x 0.74 x 0.47 in (2.8 x 1.9 x 1.2 cm)
Input power
None required
Peak output
500-1300 uA
Baffles
Optional, custom FOV restriction
Radiation tolerance
>100 krad (Si)
Export control
ECCN 7A104

About

The Redwire Coarse Sun Sensor (Cosine Type) is a compact, lightweight single-detector sun sensor offering an approximate cosine response with conical field-of-view symmetry. It is used for solar-array pointing, sun acquisition, and fail-safe attitude recovery in the same product family as Redwire’s Pyramid CSS.

Baffles can be added to restrict the field of view to a mission-specific stray-light requirement; Redwire designs the baffle to shield the detector while maximizing active FOV. The sensor needs no input power, and produces a peak output of 500-1300 microamps.

At just 10 grams nominal mass and 1.10 x 0.74 x 0.47 inches (2.8 x 1.9 x 1.2 cm) mounting-flange dimensions, this is Redwire’s smallest coarse sun sensor. It is radiation hardened to more than 100 krad (Si) and has flown on missions including GRAIL, Kepler, SDO, Mars Phoenix, and the Lunar Reconnaissance Orbiter.

Documentation

Need the full ICD, test reports or a specific revision? Ask the supplier directly.

Source: rdw.com ↗

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