Rockwell Collins · Electronic Components
667-0121-000
Transformer, Audio Frequency
Part Number667-0121-000
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-947-3000 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Frequency Rating300.0 HERTZ MINIMUM AND 3.75 KILOHERTZ MAXIMUM SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Body Length1.985 INCHES NOMINAL
Transformer FunctionLINE
Terminal Type And Quantity6 PIN
Thread Quantity Per Inch40 SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Impedance Rating In Ohms250.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Inclosure TypeOPEN
Winding Operating Current140.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Distance Between Mounting Facility1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Vendor Part Numbers16083
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 667-0121-000 available?
We can source 667-0121-000 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 667-0121-000 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 667-0121-000 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 667-0121-000?
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 667-0121-000?
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.