Albert Frei & Sons · Electronic Components
18-578
Coil, Radio Frequency
Part Number18-578
ManufacturerAlbert Frei & Sons
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-928-1139 (NSN)
Federal Item NameCOIL,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Terminal Type And Quantity2 WIRE LEAD
Winding Conductor Size0.00249 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING
Adjustment Method And Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Maximum Operating Temp85.0 CELSIUS
Body Length0.625 INCHES NOMINAL
Overall Diameter0.250 INCHES NOMINAL
Quality Factor65 MINIMUM SINGLE COMPONENT SINGLE WINDING
Core ConstructionPOWDERED SINGLE COMPONENT
Coil Form TypeHOLLOW SINGLE COMPONENT
Mounting MethodTERMINAL SINGLE GROUP
Rating MethodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
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 18-578 available?
We can source 18-578 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 18-578 by Albert Frei & Sons obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 18-578 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 18-578?
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 18-578?
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.