Fairchild Semiconductor · Electronic Components
MMBD4148
DIODE 100V 200MA SOT23
Part NumberMMBD4148
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-485-4957 (NSN)
Additional NSNs5961-01-564-4533, 5961-01-566-8487
Federal Item NameSEMICONDUCTOR DEVICES,UNITIZED
MaterialPLASTIC ENCLOSURE
Current Rating200.00 MILLIAMPERES MAXIMUM AVERAGE FORWARD CURRENT AVERAGED OVER A FULL 60-HZ CYCLE AND 600.00 MILLIAMPERES MAXIMUM FO
Terminals3 PRINTED CIRCUIT
Mounting MethodTERMINAL
Overall Length0.115 INCHES NOMINAL
Overall Width0.051 INCHES NOMINAL
Overall Height0.035 INCHES MINIMUM AND 0.043 INCHES MAXIMUM
Voltage Rating In Volts Per Charac50.0 MAXIMUM WORKING PEAK REVERSE VOLTAGE ALL SEMICONDUCTOR DEVICE DIODE
Semiconductor MaterialSILICON ALL SEMICONDUCTOR DEVICE DIODE
Component Name And Quantity2 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 MMBD4148 available?
We can source MMBD4148 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 MMBD4148 by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MMBD4148 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 MMBD4148?
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 MMBD4148?
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.