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Fairchild Semiconductor  · Electronic Components

KSC945

Bipolar (BJT) Single Transistor, NPN, 50 V, 150 mA, 250 mW, TO-92, Through Hole

Part NumberKSC945
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote

Specifications

RohscompliantYES
Power Dissipation Pd250 mW
Hazardousfalse
RohsphthalatescompliantYES
Product Range-
IscanonicalY
Transistor Case StyleTO-92
Msl-
Collector Emitter Voltage Max50 V
Operating Temperature Max150 °C
SvhcNo SVHC (25-Jun-2025)
Collector Emitter Voltage V Br Ceo50 V
Transition Frequency300 MHz
Transistor PolarityNPN
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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

Frequently asked

Is KSC945 available?
We can source KSC945 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 KSC945 by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If KSC945 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 KSC945?
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 KSC945?
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.