Dialight · Electronic Components
521-9450
LED 5MM DIFF RED/GRN BICLR 3LEAD
Part Number521-9450
ManufacturerDialight
AvailabilityAvailable to order — request a quote
Specifications
NSN5980-01-144-1220 (NSN)
Federal Item NameLIGHT EMITTING DIODE
MaterialPLASTIC ENCLOSURE
Current Rating50.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, MAXIMUM PEAK TOTAL VALUE
Terminals2 PIN
Mounting MethodTERMINAL
Overall Length0.335 INCHES NOMINAL
Overall Diameter0.187 INCHES NOMINAL
Power Rating Per Characteristic35.0 MILLIWATTS MINIMUM TOTAL POWER DISSIPATION AND 85.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Internal Junction ConfigurationPN
Voltage Rating In Volts Per Charac5.0 MAXIMUM REVERSE VOLTAGE, PEAK
Lens TransparencyTRANSLUCENT
Federal Supply Class5980 — Optoelectronic Devices And Associated Hardware
Terminal Length0.750 INCHES MINIMUM
Color Tone Produced Per SourceGREEN LENS AND RED LENS
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, MAXIMUM PEAK TOTAL VALUE
Maximum Operating Temp Per Measure85.0 CELSIUS AMBIENT AIR
Cancelled NSN6240-01-323-9307 (cancelled)
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 521-9450 available?
We can source 521-9450 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 521-9450 by Dialight obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 521-9450 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 521-9450?
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 521-9450?
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.