Eaton Corporation · Electronic Components
143 201 121
TRANSISTOR — NSN 5961-01-303-0210
Part Number143 201 121
ManufacturerEaton Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-303-0210 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialPLASTIC ENCLOSURE
Current Rating1.70 AMPERES NOMINAL DRAIN CURRENT
Terminals3 PRINTED CIRCUIT
Mounting MethodTERMINAL AND UNTHREADED HOLE(S)
Overall Length0.584 INCHES MINIMUM AND 0.594 INCHES MAXIMUM
Overall Width0.405 INCHES MINIMUM AND 0.415 INCHES MAXIMUM
Overall Height0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM
Mounting Facility Quantity1
Voltage Rating In Volts Per Charac400.0 NOMINAL DRAIN TO SOURCE VOLTAGE
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 143 201 121 available?
We can source 143 201 121 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 143 201 121 by Eaton Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 143 201 121 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 143 201 121?
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 143 201 121?
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.