Vanguard Electronics, LLC · Electronic Components
43003
Transformer, Power
Part Number43003
ManufacturerVanguard Electronics, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-463-4331 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Overall Diameter1.650 INCHES MAXIMUM
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE ALL COMPONENTS
Frequency Rating400.0 KILOHERTZ MAXIMUM ALL COMPONENTS
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Overall Length1.580 INCHES NOMINAL
Vendor Part Numbers13212668-01
ESD/EMICode A — ESD/EMI sensitive item
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 43003 available?
We can source 43003 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 43003 by Vanguard Electronics, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 43003 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 43003?
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 43003?
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.