ON Semiconductor · Electronic Components
BAS21LT1
DIODE SWITCH 200MA 250V SOT23
Part NumberBAS21LT1
ManufacturerON Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-480-5683 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,DIODE
MaterialSILICON SEMICONDUCTOR; CERAMIC ENCLOSURE
Current Rating200.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC AND 625.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, OVERLOAD
Terminals3 TAB, SOLDER LUG
Mounting MethodCOMPRESSION
Overall Length3.040 MILLIMETERS MAXIMUM
Overall Width2.500 MILLIMETERS MAXIMUM
Overall Height1.110 MILLIMETERS MAXIMUM
Power Rating Per Characteristic225.0 MILLIWATTS MAXIMUM OFF-STATE POWER DISSIPATION
Mounting Facility Quantity3
Terminal Length2.040 MILLIMETERS MAXIMUM
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 BAS21LT1 available?
We can source BAS21LT1 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 BAS21LT1 by ON Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BAS21LT1 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 BAS21LT1?
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 BAS21LT1?
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.