Ducommun Labarge Technologies · Electronic Components
20-28S
Power Supply
Part Number20-28S
ManufacturerDucommun Labarge Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN6130-00-931-4243 (NSN)
Federal Item NamePOWER SUPPLY
Federal Supply Class6130 — Power Supplies and Converters (Nonrotating)
Output Current Rating495.0 DC MILLIAMPERES NOMINAL SINGLE POWER OUTPUT
Output Connection TypeSOLDER STUD SINGLE POWER OUTPUT
Output Control TypeVOLTAGE ADJUSTMENT SINGLE POWER OUTPUT
Output Control Quantity1 SINGLE POWER OUTPUT
Rectification MethodSINGLE PHASE FULL WAVE CENTER TAP
Operating Ambient Temp Range+0.1 TO 80.0 CELSIUS
Overall Width2.875 INCHES NOMINAL
Features ProvidedFILTER
Input PhaseSINGLE SINGLE OPERATING POWER RQMT
Output Voltage Rating28.0 DC VOLTS NOMINAL SINGLE POWER OUTPUT
Output Connection Quantity2 SINGLE POWER OUTPUT
Vendor Part Numbers718599-49
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 20-28S available?
We can source 20-28S even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 20-28S by Ducommun Labarge Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 20-28S has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 20-28S?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 20-28S?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.