Virginia Electronics · Electronic Components
A441-18
Transformer, Audio Frequency
Part NumberA441-18
ManufacturerVirginia Electronics
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-858-8711 (NSN)
Federal Item NameTRANSFORMER,AUDIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current400.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
Primary To Secondary Turn Ratio1 TO 4 SINGLE COMPONENT
Center To Center Distance Between1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Body Height1.937 INCHES NOMINAL
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Body Width2.312 INCHES NOMINAL
Maximum Transformer Power Rating1.5 WATTS SINGLE COMPONENT
Nominal Thread Size0.138 INCHES SINGLE GROUP
Impedance Rating In Ohms10000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Vendor Part NumbersB-220T113
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 A441-18 available?
We can source A441-18 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 A441-18 by Virginia Electronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A441-18 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 A441-18?
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 A441-18?
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.