Shure · Electronic Components
R45
Cartridge For 544 Series, 545 Series
Part NumberR45
ManufacturerShure
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-735-5896 (NSN)
Federal Item NameTRANSFORMER,POWER AUTOTRANSFORME
Federal Supply Class5950 — Coils and Transformers
Body Length4.625 INCHES NOMINAL
Center To Center Distance Between3.250 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Operating Voltage220.00 AC VOLTS MINIMUM AND 240.00 AC VOLTS MAXIMUM SINGLE COMPONENT SINGLE PRIMARY INPUT
Mounting Facility Quantity4 SINGLE GROUP
Body Width3.875 INCHES NOMINAL
Winding Function And Quantity1 PRIMARY, FIXED AUTOTRANSFORMER TYPE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Terminal Type And Quantity2 CONNECTOR, RECEPTACLE
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
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 R45 available?
We can source R45 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 R45 by Shure obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R45 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 R45?
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 R45?
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.