Microwave Development Laboratories, Inc. · Electronic Components
20-5122
Switch, Waveguide
Part Number20-5122
ManufacturerMicrowave Development Laboratories, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-034-1218 (NSN)
Federal Item NameSWITCH,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Overall Length3.560 INCHES MAXIMUM
Switch Return Mechanism TypeFAIL-SAFE
Overall Height2.787 INCHES MAXIMUM
Voltage Standing Wave Ratio0.10 SINGLE
Actuator Voltage In Volts115.0 NOMINAL
Terminal Type And Quantity1 CONNECTOR, RECEPTACLE AND 4 RECTANGULAR FLANGE
Switch TypeTRANSFER
Coupling Position Quantity4
Overall Width1.875 INCHES MAXIMUM
RohscompliantYES
Wire Connection MethodPush In
Hazardousfalse
RohsphthalatescompliantYES
Rated Current32 A
Product RangeA Series
IscanonicalY
Conductor Area Csa4 mm²
Wire Size Awg Max12 AWG
No Of Positions2 Positions
SvhcNo SVHC (23-Jan-2024)
No Of Levels1
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 20-5122 available?
We can source 20-5122 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 20-5122 by Microwave Development Laboratories, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 20-5122 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 20-5122?
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 20-5122?
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.