Electronic Transformer Corp. · Electronic Components
3120B1
Transformer, Power
Part Number3120B1
ManufacturerElectronic Transformer Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-898-7916 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypePARTIALLY INCLOSED, DOUBLE SHELL
Maximum Transformer Power Rating15.0 DECIBELS SINGLE COMPONENT
Center To Center Distance Between4.062 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Operating Current8.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Winding Operating Voltage115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity4 SINGLE GROUP
Body Length8.250 INCHES NOMINAL
Body Width5.625 INCHES NOMINAL
Mounting MethodSLOT SINGLE GROUP
Mounting Slot Width0.156 INCHES NOMINAL SINGLE GROUP
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 3120B1 available?
We can source 3120B1 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 3120B1 by Electronic Transformer Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3120B1 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 3120B1?
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 3120B1?
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.