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Northrop Grumman Systems Corporation  · Electronic Components

27C55-20

Transformer, Power Autotransforme

Part Number27C55-20
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSFORMER,POWER AUTOTRANSFORME
Federal Supply Class5950 — Coils and Transformers
Inclosure TypeOPEN
Center To Center Distance Between1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Terminal Type And Quantity3 TAB, SOLDER LUG
Winding Operating Current1.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT
Winding Power Rating155.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE PRIMARY INPUT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Winding Operating Voltage120.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY OUTPUT
Frequency Rating400.0 HERTZ NOMINAL SINGLE COMPONENT
Body Height2.125 INCHES NOMINAL
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Body Width2.500 INCHES NOMINAL
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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

Frequently asked

Is 27C55-20 available?
We can source 27C55-20 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 27C55-20 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 27C55-20 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 27C55-20?
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 27C55-20?
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.