Transistor Devices · Electronic Components
B15931
Transformer, Power
Part NumberB15931
ManufacturerTransistor Devices
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-089-9708 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Reliability IndicatorNOT ESTABLISHED
Center To Center Distance Between4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Operating Voltage18.00 DC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY
Mounting MethodSLOT SINGLE GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Overall Width4.125 INCHES NOMINAL
Terminal Type And Quantity10 TAB, SOLDER LUG
Winding Function And Quantity1 PRIMARY AND 2 SECONDARY AND 1 TERTIARY SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Overall Height3.437 INCHES NOMINAL
Frequency Rating47.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
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 B15931 available?
We can source B15931 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 B15931 by Transistor Devices obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B15931 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 B15931?
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 B15931?
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.