Electric Heaters
- Purpose: Designed to provide thermal conditions for spacecraft onboard equipment.
- Year of release: 1976
- Guaranteed service life (years): 36
- Estimated production / delivery time (months): 3
- Flight qualification of the product: Yes
- Brief history of flight qualification: METEOR N, INTER-COSMOS, ELECTRO N 1, "CORONAS-PHOTON".
- Possibility to adapt the product to customer requirements: Yes
| Parameter | Value |
|---|---|
| Electrical resistance | 5-500 Ohm |
| Working voltage | 2-120 V |
| Heater Weight | 0,001-0,009 kg |
| Insulation resistance | Not less than 20 megohms |
| Operating temperature range | from -196 to + 150 ° С |
EH is a flexible single-sided printed circuit board on a thin, dielectric base made of fiberglass or polyimide film with a resistive printed conductor made of manganin foil of a certain configuration deposited on it. A protective dielectric coating of a polyimide film or varnish is applied over the conductor. EHs can be made with extension wires that are soldered to the EH pads.
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