B.C. Systems Inc. · Electronic Components
303-120
Transformer, Audio Frequency
Part Number303-120
ManufacturerB.C. Systems Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-294-6684 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Nominal Thread Size0.112 INCHES SINGLE GROUP
Reliability IndicatorNOT ESTABLISHED
Terminal Type And Quantity6 PIN
Body Outside Diameter0.875 INCHES NOMINAL
Frequency Rating20.0 KILOHERTZ NOMINAL SINGLE COMPONENT
Mounting Facility Quantity1 SINGLE GROUP
Inclosure TypeFULLY INCLOSED
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
Winding Operating Current2.0 AMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Body Length0.590 INCHES NOMINAL
Vendor Part Numbers5100-346
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 303-120 available?
We can source 303-120 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 303-120 by B.C. Systems Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 303-120 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 303-120?
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 303-120?
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.