Thordarson Inc. · Electronic Components
27A42
Transformer, Audio Frequency
Part Number27A42
ManufacturerThordarson Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-438-0450 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Impedance Rating In Ohms37.5 NOMINAL SINGLE COMPONENT ALL SECONDARY
Body Outside Diameter0.938 INCHES NOMINAL
Distance Between Mounting Facility1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Frequency Rating100.0 HERTZ MINIMUM AND 20.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Mounting MethodFLANGE AND SLOT SINGLE GROUP
Mounting Slot Width0.120 INCHES NOMINAL SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Winding Operating Current20.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT ALL PRIMARY
Body Length1.375 INCHES NOMINAL
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type And Quantity8 BINDING POST
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 27A42 available?
We can source 27A42 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 27A42 by Thordarson Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 27A42 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 27A42?
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 27A42?
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.