Fairchild · Electronic Components
MMBD4148SE
Diode Switching 75V 0.2A 3-Pin SOT-23 T/R
Part NumberMMBD4148SE
ManufacturerFairchild
AvailabilityIn stock — ships fast
Specifications
NSN5961-01-564-4138 (NSN)
Federal Item NameSEMICONDUCTOR DEVICES,UNITIZED
Current Rating200.00 MILLIAMPERES NOMINAL FORWARD CURRENT, AVERAGE SINGLE SEMICONDUCTOR
Terminals3 TAB, SOLDER LUG
Mounting MethodTERMINAL
Special FeaturesSMALL SIGNAL DIODES
Maximum Operating Temp Per Measure150.0 CELSIUS JUNCTION
Power Rating Per Characteristic350.0 MILLIWATTS NOMINAL OFF-STATE POWER DISSIPATION SINGLE SEMICONDUCTOR
Voltage Rating In Volts Per Charac100.0 NOMINAL REPETITIVE PEAK REVERSE VOLTAGE AND 1.0 MAXIMUM FORWARD VOLTAGE, DC SINGLE SEMICONDUCTOR
Component Name And Quantity1 SEMICONDUCTOR DEVICE DIODE
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 MMBD4148SE in stock?
Yes — MMBD4148SE is in our stock database. Request a quote for current pricing and lead time.
Is MMBD4148SE by Fairchild obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MMBD4148SE 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 MMBD4148SE?
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 MMBD4148SE?
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.