● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
STMicroelectronics  · Electronic Components

SD57045

TRANSISTOR RF PWR LDMOST M243

Part NumberSD57045
ManufacturerSTMicroelectronics
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSISTOR
MaterialCERAMIC ENCLOSURE
Current Rating250.0 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
Terminals2 PIN
Mounting MethodUNTHREADED HOLE(S)
Overall Length0.790 INCHES MINIMUM AND 0.810 INCHES MAXIMUM
Overall Width0.650 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
Overall Height0.125 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
Special FeaturesSTORAGE TEMP M65 DEG C TO 200 DEG C
Power Rating Per Characteristic45.0 WATTS MINIMUM POWER OUTPUT
Maximum Operating Temp Per Measure200.0 CELSIUS JUNCTION
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
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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 SD57045 available?
We can source SD57045 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 SD57045 by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SD57045 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 SD57045?
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 SD57045?
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.