HARDWARE / PRODUCTAdded 17 Jul 2026

XTE-LILT Triple-Junction Solar Cell

Spectrolab

Spectrolab high-efficiency triple-junction solar cell optimized for low-intensity low-temperature (LILT) conditions, used on deep space missions including Juno and New Horizons.

Typed specifications1 values

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Flight heritage
Juno, New Horizons, 1000+ spacecraft
product page

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As published by the supplier4 lines, in the manufacturer's own wording
Type
Triple-junction solar cell
Optimization
LILT (Low Intensity Low Temperature)
Flight heritage
Juno, New Horizons, 1000+ spacecraft
Manufacturer
Spectrolab (Boeing subsidiary)

About

The Spectrolab XTE-LILT is a high-efficiency triple-junction solar cell specifically engineered for low-intensity low-temperature (LILT) conditions experienced on missions beyond the asteroid belt. Used on landmark NASA missions including the Juno spacecraft at Jupiter and the New Horizons probe, XTE-LILT cells maintain high efficiency at the very low solar flux and cryogenic temperatures of deep space. Spectrolab, a Boeing subsidiary, has supplied solar cells for more than 1,000 satellites and spacecraft.

Documentation

No public datasheet yet — request the datasheet / ICD from the supplier.

Source: www.spectrolab.com ↗

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