Transformer Manufacturers, Inc. · Electronic Components
EF200B
Transformer, Power
Part NumberEF200B
ManufacturerTransformer Manufacturers, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-797-3731 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Thread Series DesignatorUNF SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Voltage5.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Nominal Thread Size0.190 INCHES SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
Body Length2.969 INCHES NOMINAL
Body Height4.188 INCHES NOMINAL
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 EF200B available?
We can source EF200B 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 EF200B by Transformer Manufacturers, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If EF200B 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 EF200B?
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 EF200B?
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.