SVCL2800S SERIES
SPACE QUALIFIED HYBRID INRUSH CURRENT LIMITER
Models Available
Input: 11 V to 50 V continuous, 80 V transient
100 W and 200 W versions
Qualified to MIL-PRF-38534 Class H and Class K
SVCL Series DC-DC Converter
1.0 DESCRIPTION
1.2 SPACE LEVEL CHARACTERIZATIONS
The SVCL Series of space qualified Inrush Current Limiters are
specifically designed for the harsh radiation environment of
space applications. Performance is guaranteed through the use
of hardened semiconductor components, radiation lot
• Guaranteed TID performance to 100 krad(Si) including ELDRS
• SEE performance to 85 MeV/mg/cm2. Transients are fully
characterized for cross section and magnitude
• Worst-case analysis, stress, radiation, reliability reports available
acceptance testing (RLAT) of non-hardened components, and
analysis. The SVCL Series has been characterized for Total
Ionizing Dose (TID) performance including Enhanced Low Dose
Rate Sensitivity (ELDRS) and for Single Event Effects (SEE)
according to VPT’s DLA-approved Radiation Hardness
Assurance (RHA) plan per MIL-PRF-38534, Appendix G,
Level R. Characterization is performed at both the component
level and at the SVCL Series hybrid converter level. The SVCL28
is designed to control the inrush current drawn by VPT’s EMI
filters and DC-DC converters during turn-on. The SVCL28
functions by limiting the rate of rise of its output voltage and will
also control the inrush current of discrete input capacitors.
1.3 MANUFACTURING AND COMPLIANCE
• Qualified to MIL-PRF-38534 Class H and Class K,
DLA SMD # 5962-16216
• MIL-PRF-38534 element evaluated components
• MIL-STD-461 C/D/E/F when used with appropriate VPT EMI filter
• Manufactured in a MIL-PRF-38534 Class H and Class K facility
• MIL-STD-883
• ISO-9001
1.4 PACKAGING
• Low-profile: 1.075” x 1.075” x 0.270”
• Max weight: 16 g
The SVCL28 Series of Inrush Current Limiters is radiation
hardened and suited for use in low Earth orbit (LEO), medium
Earth orbit (MEO), geostationary orbit (GEO), deep space, and
launch vehicle programs.
• Precision projection-welded hermetic metal case
1.5 SIMILAR PRODUCTS AND ACCESSORIES
• SVFL 120 W space qualified single output DC-DC converter
• SVFL 120W space qualified dual output DC-DC converter
• DVCL INRUSH current limiter
1.1 FEATURES
• High reliability
• Wide input voltage range: 11 V to 50 V plus 80 V transient
• Custom versions available
• EMI filters
• Continuous operation over full military temperature range of
-55 °C to +125 °C with no power derating
• Compatible with external capacitance
• Inhibit out
• No use of optoisolators
• Undervoltage lockout
Products and reports described in this datasheet are subject to all export license restrictions and regulations which may include but are not limited to ITAR
(International Traffic in Arms Regulations) and the Export Administration and Foreign Assets Control Regulations. Further restrictions may apply. Contact VPT
sales for details.
Sales Information
Phone:(425) 353-3010
Fax: (425) 353-4030
SVCL28 – 3.0
E-mail: vptsales@vptpower.com
Web: www.vptpower.com
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