Hamilton Sundstrand Corporation · Electronic Components
81511
Transformer, Power
Part Number81511
ManufacturerHamilton Sundstrand Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-143-5995 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Body Width1.750 INCHES MAXIMUM
Maximum Operating Temp155.0 CELSIUS
Winding Operating Current30.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type And Quantity5 TAB, SOLDER LUG AND 1 WIRE LEAD
Distance Between Mounting Facility2.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S) SINGLE GROUP
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Hole Diameter0.187 INCHES NOMINAL SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
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 81511 available?
We can source 81511 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 81511 by Hamilton Sundstrand Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 81511 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 81511?
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 81511?
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.