HARDWARE / PRODUCTAdded 13 Jul 2026

Bradford Cosine Sun Sensor (CoSS)

Bradford Space
Bradford Cosine Sun Sensor (CoSS)

Compact 25 g cosine sun sensor, 160×160° FOV, ±3° OBC-limited accuracy, 0 W passive, >100 kRad TID, 30×30×14 mm.

Typed specifications21 values

Discloses 5 of 8 fields engineers filter by in this category (category median 4).

Accuracy
3 °
typically ±3, sun vector from CoSS suite, with on-board tempe… · datasheet p.2 3 ° plusminus, if on-board corrections are made for sun sensor te…
Mass
24 g
Exclusive cable · datasheet p.3 50 g With 1.5 meter of cable
Envelope (L×W×H)
30 x 30 x 14.5 mm3 (exclusive cable fixation provisions)
datasheet p.3 Overall height including cable clamp: 35 mm
Output type
analog
datasheet p.3 analog sun induced analog current
Field of view
160 °
Minimum operational FOV · datasheet p.3 160 ° min · minimum operational FOV, full cone angle (±80°)
Operating temperature
-50 °C
min · Qualification temperature · datasheet p.3 80 °C max · Qualification temperature
Radiation tolerance (TID)
100 krad
min · product page
Sensor class
coarse
datasheet p.1
Survival temperature
-145 °C
min · qualified excursions · datasheet p.3 120 °C max · qualified excursions
Random vibration
23.3 g RMS
qualification random vibration, in-plane · datasheet p.2 36.4 g RMS qualification random vibration, out-of-plane
Shock qualification
2 000 g
qualification shock · datasheet p.2
Sensing element
photodiode (cosine)
output approx. proportional to cosine of angle of incidence · datasheet p.1
Output current at normal incidence
5 mA
nom. · typical sun induced analog current, about · datasheet p.2

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 supplier13 lines, in the manufacturer's own wording
FOV
160 × 160°
Accuracy
±3° (3σ) OBC-limited
Resolution
< 0.1°
Noise equivalent angle
< 0.1° (3σ)
Mass
25 g
Dimensions
30 × 30 × 14 mm
Power consumption
0 W (passive)
Data interface
Analogue 5 mA signal
Reliability figure
5 FIT @ 50°C per device
TID resilience
> 100 kRad
SEE resistance
Insensitive to SEE
Electrical interface
Flying leads
Mechanical interface
3× M2.5 mounting holes

About

Bradford’s Cosine Sun Sensor (CoSS) provides a 160×160° field of view with ±3° (3σ) OBC-limited accuracy in an ultra-compact 25 g, 30×30×14 mm package. Zero power consumption (passive analogue signal). >100 kRad TID resilience and insensitive to SEE. Reliability of 5 FIT at 50°C per device (better with self-redundant version). Electrical interface via flying leads, 3× M2.5 mounting holes.

Documentation

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

Source: www.bradford-space.com ↗

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