Raytheon · Electronic Components
DL74-678
Transformer, Power Autotransforme
Part NumberDL74-678
ManufacturerRaytheon
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-647-8455 (NSN)
Federal Item NameTRANSFORMER,POWER AUTOTRANSFORME
Federal Supply Class5950 — Coils and Transformers
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Center To Center Distance Between1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Body Width2.375 INCHES NOMINAL
Frequency Rating60.0 HERTZ NOMINAL SINGLE COMPONENT
Body Height3.562 INCHES NOMINAL
Body Length2.875 INCHES NOMINAL
Winding Function And Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Winding Power Rating25.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT
Winding Operating Voltage78.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Mounting Hole Diameter0.199 INCHES NOMINAL SINGLE GROUP
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Vendor Part NumbersDL74-678-3
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 DL74-678 available?
We can source DL74-678 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 DL74-678 by Raytheon obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DL74-678 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 DL74-678?
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 DL74-678?
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.