onsemi · Electronic Components
MMBF4391LT1G
TRANS JFET SW N-CH 30V SOT23
Part NumberMMBF4391LT1G
Manufactureronsemi
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-575-5092 (NSN)
Federal Item NameTRANSISTOR
Overall Length0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
Overall Width0.083 INCHES MINIMUM AND 0.104 INCHES MAXIMUM
Overall Height0.035 INCHES MINIMUM AND 0.044 INCHES MAXIMUM
Special FeaturesPIN:3; JUNCTION/STORAGE TEMPERATURE RANGE:NEGATIVE 55 TO 150 DEGREE CELSIUS; SHIPPING:3000/TAPE AND REEL
Maximum Operating Temp Per Measure150.0 CELSIUS JUNCTION
Voltage Rating In Volts Per Charac30.0 NOMINAL DRAIN TO SOURCE VOLTAGE
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
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 MMBF4391LT1G available?
We can source MMBF4391LT1G 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 MMBF4391LT1G by onsemi obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MMBF4391LT1G 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 MMBF4391LT1G?
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 MMBF4391LT1G?
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.