Nautel · Electronic Components
LB40
Coil, Radio Frequency
Part NumberLB40
ManufacturerNautel
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-817-5175 (NSN)
Federal Item NameCOIL,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Winding Conductor Size0.02846 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING
Winding Operating Current95.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Inclosure TypeFULLY INCLOSED
Core ConstructionPOWDERED SINGLE COMPONENT
Quality Factor65 MINIMUM SINGLE COMPONENT SINGLE WINDING
Overall Diameter0.310 INCHES MAXIMUM
Terminal Type And Quantity2 WIRE LEAD
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Maximum Operating Temp125.0 CELSIUS
Reliability IndicatorNOT ESTABLISHED
Inductance Rating4.70 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
Vendor Part Numbers575R590H55, RFC-L-4700
Cancelled NSN5950-00-068-1996 (cancelled)
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 LB40 available?
We can source LB40 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 LB40 by Nautel obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LB40 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 LB40?
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 LB40?
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.