Freed Transformer · Electronic Components
4045
Transformer, Power
Part Number4045
ManufacturerFreed Transformer
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-011-8213 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Frequency Rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Center To Center Distance Between1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Operating Current1.63 AMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Body Length3.500 INCHES NOMINAL
Mounting Facility Quantity4 SINGLE GROUP
Vendor Part Numbers307953-1
Winding Function And Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Body Height4.000 INCHES NOMINAL
Body Width2.750 INCHES NOMINAL
Terminal Type And Quantity9 THREADED STUD
Transformer Winding Connection TypDELTA-WYE
Input Output Phase RelationshipTHREE PHASE TO THREE PHASE SINGLE COMPONENT
ESD/EMICode A — ESD/EMI sensitive item
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 4045 available?
We can source 4045 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 4045 by Freed Transformer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4045 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 4045?
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 4045?
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.