Albert Frei & Sons · Electronic Components
LETTER
Transformer, Radio Frequency
Part NumberLETTER
ManufacturerAlbert Frei & Sons
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-089-0026 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Frequency Rating100.0 KILOHERTZ MINIMUM AND 500.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Inductance Rating7.50 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Body Length0.780 INCHES NOMINAL
Coil Form TypeSOLID SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Distance Between Mounting Facility0.844 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting Facility Quantity2 SINGLE GROUP
Nominal Thread Size0.138 INCHES SINGLE GROUP
Mounting MethodTHREADED STUD(S) SINGLE GROUP
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 LETTER available?
We can source LETTER 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 LETTER by Albert Frei & Sons obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LETTER 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 LETTER?
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 LETTER?
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.