Sprague Electric Co. World Hqs · Electronic Components
TP4257
TRANSISTOR — NSN 5961-01-014-0663
Part NumberTP4257
ManufacturerSprague Electric Co. World Hqs
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-014-0663 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialPLASTIC ENCLOSURE
Terminals3 PIN
Mounting MethodTERMINAL
Overall Length0.250 INCHES MAXIMUM
Overall Diameter0.215 INCHES MAXIMUM
Voltage Rating In Volts Per Charac6.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 6.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN
Maximum Operating Temp Per Measure125.0 CELSIUS JUNCTION
Power Rating Per Characteristic0.5 WATTS MAXIMUM TOTAL POWER DISSIPATION
Semiconductor MaterialSILICON
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 TP4257 available?
We can source TP4257 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 TP4257 by Sprague Electric Co. World Hqs obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TP4257 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 TP4257?
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 TP4257?
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.