L3Harris Technologies · Electronic Components
391-3811
Transformer, Radio Frequency
Part Number391-3811
ManufacturerL3Harris Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-928-5649 (NSN)
Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Terminal Type And Quantity4 WIRE LEAD
Body Length3.000 INCHES NOMINAL
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeFULLY INCLOSED
Coil Form TypeHOLLOW SINGLE COMPONENT
Inductance Rating2.20 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Adjustment Method And Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Body Outside Diameter0.201 INCHES NOMINAL
Frequency Rating1.27 MEGAHERTZ MINIMUM AND 2.2 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Vendor Part Numbers2599-5
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 391-3811 available?
We can source 391-3811 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 391-3811 by L3Harris Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 391-3811 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 391-3811?
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 391-3811?
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.