Technical Services Laboratory, Inc. · Electronic Components
SB-004
Transformer, Power
Part NumberSB-004
ManufacturerTechnical Services Laboratory, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-949-0118 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Body Width2.620 INCHES NOMINAL
Body Length3.120 INCHES NOMINAL
Center To Center Distance Between2.720 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO CORE SINGLE COMPONENT
Winding Function And Quantity1 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Winding Operating Voltage18.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
Body Height2.060 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Winding Operating Current600.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Vendor Part Numbers37574, 336-070-026
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 SB-004 available?
We can source SB-004 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 SB-004 by Technical Services Laboratory, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SB-004 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 SB-004?
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 SB-004?
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.