Transformer Manufacturers, Inc. · Electronic Components
DF75B
Transformer, Audio Frequency
Part NumberDF75B
ManufacturerTransformer Manufacturers, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-797-3729 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Body Height3.125 INCHES NOMINAL
Body Width2.562 INCHES NOMINAL
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating20.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Center To Center Distance Between2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP
Impedance Rating In Ohms15.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Maximum Transformer Power Rating4.0 WATTS SINGLE COMPONENT
Primary To Secondary Turn Ratio1 TO 20-1/2 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 DF75B available?
We can source DF75B 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 DF75B by Transformer Manufacturers, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If DF75B 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 DF75B?
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 DF75B?
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.