EPSylon
OHB Sweden AB
EPSylon is an Electric Propulsion system for small satellites in a wide power and thrust range, serving both the institutional and commercial market.
Typed specifications36 values
Discloses 9 of 10 fields engineers filter by in this category (category median 3).
- Propulsion family
- electric datasheet p.2
- Mass
- 20 kg min · datasheet p.2 35 kg max | 15–20 kg
- Thrust
- 8 mN product page 8–18 mN EPsylon Lite, BOL, throttleable by power | 8–55 mN EPsylon Star, BOL, throttleable by power
- Specific impulse
- 950–1 390 s EPsylon Lite, Xe · datasheet p.2 950–1 700 s EPsylon Star, Xe
- Total impulse
- 250 000 N·s datasheet p.2 250 000 N·s max · EPsylon Lite | 300 000 N·s max · EPsylon Lite, possible extension | 1 500 000 N·s max · EPsylon Star | 2 500 000 N·s max · EPsylon Star, possible extension
- Propellant
- Xe datasheet p.2 krypton Kr (under qualification) | Kr Under qualification | xenon Xe
- Supply voltage
- 28 V nom. · EPsylon Lite, unregulated bus (28 V or 70 V) · datasheet p.2 28 V Unregulated | 70 V nom. · EPsylon Star, unregulated bus | 70 V Unregulated | 70 V nom. · EPsylon Lite, unregulated bus (28 V or 70 V)
- Power consumption
- 250–400 W per String · datasheet p.2
- TRL
- 8 in 2026 (9 expected end 2027) · datasheet p.2
- Thruster technology
- Hall effect HET · datasheet p.2
- Tank volume
- 10 L EPsylon Lite-10 · datasheet p.2 5 L EPsylon Lite-5
- Power at thrust
- 250 W min · per String · datasheet p.2 1 000 W max · per String | 250–400 W EPsylon Lite, per string | 250–1 000 W EPsylon Star, per string
- Dry mass
- 20 kg min · datasheet p.2 35 kg max | 15–20 kg EPsylon Lite | 20–35 kg EPsylon Star
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 supplier7 lines, in the manufacturer's own wording
- Propellant
- Xe
- Power
- 250 W to 400 W per String
- Supply voltage
- 28 V or 70 V
- Thrust
- 8 mN to 18 mN
- Specific impulse
- 950 s to 1390 s (Xe)
- Total Impulse
- Up to 250 kNs
- Dry Mass
- 15-20 kg
About
With over three decades of experience in various Electric Propulsion (EP) solutions, OHB Sweden now presents a highly novel custom inhouse-designed solution for the challenges and trends of today and tomorrow. EPSylon is an Electric Propulsion system for small satellites, designed to operate across a wide power and thrust range. This system is developed to cater to the needs of both the institutional and commercial space markets, reflecting OHB Sweden’s extensive expertise in the field of electric propulsion.
Documentation
- BD-OSE-HO-0243__OHB_Sweden_data_sheet_-_EPsylon_v2026-04.pdf PDF source: www.ohb-sweden.se ↗
- ISO_9001_certificate_OHB_Sweden_2023-2026.pdf PDF source: www.ohb-sweden.se ↗
Need the full ICD, test reports or a specific revision? Ask the supplier directly.