CAES Systems · Electronic Components
3451991-1
Transformer, Power
Part Number3451991-1
ManufacturerCAES Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-343-0434 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Terminal Type And Quantity10 WIRE LEAD AND 2 WIRE LEAD W/LUG
Frequency Rating40.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Maximum Operating Temp170.0 CELSIUS
Body Length3.500 INCHES NOMINAL
Mounting MethodTERMINAL SINGLE GROUP
Winding Operating Voltage1361.05 AC VOLTS MINIMUM AND 1369.32 AC VOLTS MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Body Height4.350 INCHES NOMINAL
Winding Function And Quantity1 PRIMARY AND 5 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Vendor Part NumbersM6718
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 3451991-1 available?
We can source 3451991-1 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 3451991-1 by CAES Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3451991-1 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 3451991-1?
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 3451991-1?
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.