Pico Electronics Inc. · Electronic Components
S-21155
Transformer, Audio Frequency
Part NumberS-21155
ManufacturerPico Electronics Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-329-1247 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Mounting Bolt Circle Diameter0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Impedance Rating In Ohms500.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Primary To Secondary Turn Ratio1 TO 1 SINGLE COMPONENT
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Maximum Operating Temp105.0 CELSIUS
Maximum Transformer Power Rating2.0 WATTS SINGLE COMPONENT
Winding Shielding MethodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
Body Length0.520 INCHES MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Mounting MethodTERMINAL SINGLE GROUP
Terminal Type And Quantity7 WIRE LEAD
Vendor Part Numbers5611683
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 S-21155 available?
We can source S-21155 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 S-21155 by Pico Electronics Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S-21155 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 S-21155?
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 S-21155?
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.