Fairchild Semiconductor · Electronic Components
KSA1281
TRANSISTOR, PNP, -50V, -2A, TO-92L-3
Part NumberKSA1281
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
RohscompliantYES
Power Dissipation Pd1 W
Hazardousfalse
RohsphthalatescompliantYES
Product Range-
IscanonicalY
Transistor Case StyleTO-92L
MslMSL 1 - Unlimited
Collector Emitter Voltage Max50 V
Operating Temperature Max150 °C
SvhcNo SVHC (25-Jun-2025)
Collector Emitter Voltage V Br Ceo50 V
Transition Frequency100 MHz
Transistor PolarityPNP
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 KSA1281 available?
We can source KSA1281 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 KSA1281 by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KSA1281 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 KSA1281?
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 KSA1281?
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.