Kearfott · Electronic Components
3RS901-3E
Synchro, Control Transformer
Part Number3RS901-3E
ManufacturerKearfott
AvailabilityAvailable to order — request a quote
Specifications
NSN5990-00-989-2482 (NSN)
Federal Item NameSYNCHRO,CONTROL TRANSFORMER
Federal Supply Class5990 — Synchros and Resolvers
Stator Input Current Rating21.0 MILLIAMPERES NOMINAL
Maximum Total Null Voltage Output53.00
Terminal LocationREAR
Zro Impedance Angle In Deg79.20 NOMINAL
Zro Impedance Magnitude In Ohms3340.00 NOMINAL
Frequency In Hertz400.0 NOMINAL
Transformation Ratio2.203 ROTOR TO STATOR NOMINAL
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Shaft Slot Width0.0250 INCHES NOMINAL SINGLE SHAFT
Maximum Temp Rise0.5 CELSIUS
Stator Input Electrical Power Rati30.0 MILLIWATTS NOMINAL
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 3RS901-3E available?
We can source 3RS901-3E 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 3RS901-3E by Kearfott obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3RS901-3E 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 3RS901-3E?
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 3RS901-3E?
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.