International Rectifier Hirel Products, Inc. · Electronic Components
OM1109ST
TRANSISTOR — NSN 5961-01-331-7078
Part NumberOM1109ST
ManufacturerInternational Rectifier Hirel Products, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-331-7078 (NSN)
Federal Item NameTRANSISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialPLASTIC ENCLOSURE
Current Rating4.50 AMPERES MAXIMUM DRAIN CURRENT AND 18.00 AMPERES MAXIMUM OFF-STATE CURRENT, PEAK
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.650 INCHES NOMINAL
Overall Width0.415 INCHES NOMINAL
Overall Height0.210 INCHES NOMINAL
Semiconductor MaterialSILICON
Power Rating Per Characteristic50.0 WATTS MAXIMUM TOTAL POWER 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 OM1109ST available?
We can source OM1109ST 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 OM1109ST by International Rectifier Hirel Products, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If OM1109ST 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 OM1109ST?
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 OM1109ST?
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.