● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
American Precision Industries Inc.  · Electronic Components

4000-20

Coil, Radio Frequency

Part Number4000-20
ManufacturerAmerican Precision Industries Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameCOIL,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Core ConstructionPOWDERED SINGLE COMPONENT
Body Outside Diameter0.400 INCHES NOMINAL
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Coil Form TypeHOLLOW SINGLE COMPONENT
Quality Factor85 MINIMUM SINGLE COMPONENT SINGLE WINDING
Nominal Thread Size0.190 INCHES SINGLE GROUP
Adjustment Method And Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Thread Quantity Per Inch32 SINGLE GROUP
Mounting MethodTHREADED BUSHING SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
RohscompliantYES
Thickness5 mm
External Length400 mm
Hazardousfalse
RohsphthalatescompliantYES
Conductive MaterialSilicone
Product RangeWE-TGF Series
IscanonicalY
Dielectric Strength8 kV/mm
Thermal Conductivity2 W/m.K
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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

Frequently asked

Is 4000-20 available?
We can source 4000-20 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 4000-20 by American Precision Industries Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4000-20 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 4000-20?
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 4000-20?
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.