Siemens Corp. · Electronic Components
BB409S
SEMICONDUCTOR DEVICE,DIODE — NSN 5961-01-287-5654
Part NumberBB409S
ManufacturerSiemens Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-287-5654 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialSILICON SEMICONDUCTOR; GLASS ENCLOSURE
Current Rating200.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
Terminals2 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.175 INCHES MAXIMUM
Overall Diameter0.075 INCHES MAXIMUM
Maximum Operating Temp Per Measure125.0 CELSIUS AMBIENT AIR
Power Rating Per Characteristic400.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Length0.500 INCHES MAXIMUM
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 BB409S available?
We can source BB409S 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 BB409S by Siemens Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BB409S 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 BB409S?
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 BB409S?
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.