Keysight Technologies · Electronic Components
1854-1225
TRANSISTOR — NSN 5961-01-507-4112
Part Number1854-1225
ManufacturerKeysight Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-507-4112 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialPLASTIC ENCLOSURE
Current Rating200.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Terminals4 KNIFE BLADE
Mounting MethodTERMINAL
Overall Length0.700 INCHES MINIMUM AND 0.770 INCHES MAXIMUM
Overall Width0.570 INCHES MINIMUM AND 0.640 INCHES MAXIMUM
Overall Height0.075 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
Overall Diameter0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
Power Rating Per Characteristic2.5 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
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 1854-1225 available?
We can source 1854-1225 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 1854-1225 by Keysight Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1854-1225 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 1854-1225?
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 1854-1225?
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.