Transistor Devices Inc. · Electronic Components
20427
Transformer, Power
Part Number20427
ManufacturerTransistor Devices Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-086-1789 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Body Height3.438 INCHES NOMINAL
Winding Operating Voltage220.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST PRIMARY
Winding Function And Quantity2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Mounting Slot Width0.188 INCHES NOMINAL SINGLE GROUP
Center To Center Distance Between4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Frequency Rating42.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
Winding Operating Current30.0 AMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
Terminal Type And Quantity10 TAB, SOLDER LUG
Body Length4.125 INCHES NOMINAL
Overall Width4.750 INCHES NOMINAL
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Vendor Part NumbersC20427
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 20427 available?
We can source 20427 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 20427 by Transistor Devices Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 20427 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 20427?
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 20427?
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.