SHURE · Electronic Components
545SD-LC
Cardioid Dynamic, High Or Low Z, On-Off Switch
Part Number545SD-LC
ManufacturerSHURE
AvailabilityAvailable to order — request a quote
Specifications
NSN5965-00-951-9961 (NSN)
Federal Item NameMICROPHONE,DYNAMIC
Body StyleSTAND TYPE W/ OR W/O STAND
Polarity ConnectionNOT REQUIRED
Switch TypeSLIDE
Height7.000 INCHES NOMINAL
Electrical Connection TypeCONNECTOR RECEPTACLE
Length5.818 INCHES NOMINAL
Sound Pickup Directional TypeUNIDIRECTIONAL
Diameter1.250 INCHES NOMINAL
Impedance Selection MethodINTEGRAL SWITCH
Impedance Rating30.0 OHMS NOMINAL
Federal Supply Class5965 — Headsets, Handsets, Microphones And Speakers
Frequency Response Range In Hertz+50.0 TO 15000.0
Cancelled NSN5965-00-302-5167 (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 545SD-LC available?
We can source 545SD-LC 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 545SD-LC by SHURE obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 545SD-LC 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 545SD-LC?
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 545SD-LC?
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.