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Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · Electronic Components
SCD39989
Transformer, Power
Part NumberSCD39989
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-256-1183 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Nominal Thread Size0.250 INCHES SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
Overall Height6.750 INCHES NOMINAL
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Body Width4.750 INCHES NOMINAL
Body Height6.125 INCHES NOMINAL
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center To Center Distance Between3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
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 SCD39989 available?
We can source SCD39989 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 SCD39989 by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SCD39989 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 SCD39989?
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 SCD39989?
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.