Raytheon · Electronic Components
DL74-645REV4
Transformer, Audio Frequency
Part NumberDL74-645REV4
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-228-0778 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Terminal Type And Quantity4 TAB, SOLDER LUG
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Outside Diameter2.062 INCHES MAXIMUM
Impedance Rating In Ohms600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Transformer FunctionLINE
Reliability IndicatorNOT ESTABLISHED
Mounting Bolt Circle Diameter1.562 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Thread Quantity Per Inch32 SINGLE GROUP
Body Length2.625 INCHES MAXIMUM
Overall Length3.125 INCHES MAXIMUM
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Vendor Part Numbers44526
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 DL74-645REV4 available?
We can source DL74-645REV4 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 DL74-645REV4 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DL74-645REV4 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 DL74-645REV4?
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 DL74-645REV4?
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.