Torotel · Electronic Components
20545
Transformer, Audio Frequency
Part Number20545
ManufacturerTorotel
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-919-7677 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Terminal Type And Quantity5 PIN
Maximum Transformer Power Rating50.0 MILLIWATTS SINGLE COMPONENT
Winding Operating Current8.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Impedance Rating In Ohms240.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Nominal Thread Size0.086 INCHES SINGLE GROUP
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Body Width0.781 INCHES MAXIMUM
Distance Between Mounting Facility0.437 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Vendor Part Numbers40871, BC3473, 677-0273-010
Overall Width8.250 INCHES NOMINAL
Overall Height0.026 INCHES NOMINAL
Overall Length9.750 INCHES NOMINAL
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 20545 available?
We can source 20545 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 20545 by Torotel obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 20545 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 20545?
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 20545?
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.