American Aerospace Controls · Electronic Components
903B-5
Transformer, Current
Part Number903B-5
ManufacturerAmerican Aerospace Controls
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-349-9858 (NSN)
Federal Item NameTRANSFORMER,CURRENT
Federal Supply Class5950 — Coils and Transformers
Overall Height2.870 INCHES NOMINAL
Overall Length2.891 INCHES NOMINAL
Hazardous Locations EnvironmentalMOISTURE RESISTANT AND VIBRATION RESISTANT
Overall Width1.190 INCHES NOMINAL
Terminal Type And Quantity6 TAB, SOLDER LUG
Maximum Operating Temp85.0 CELSIUS
Winding Operating Voltage0.00 DC VOLTS MINIMUM AND 5.00 DC VOLTS MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
Center To Center Distance Between2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Function And Quantity1 SECONDARY SINGLE COMPONENT
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Facility Quantity4 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 903B-5 available?
We can source 903B-5 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 903B-5 by American Aerospace Controls obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 903B-5 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 903B-5?
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 903B-5?
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.