Instrument Design Engineering Associates Inc. · Electronic Components
1HD4251
Light Emitting Diode
Part Number1HD4251
ManufacturerInstrument Design Engineering Associates Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5980-00-275-1967 (NSN)
Federal Item NameLIGHT EMITTING DIODE
Federal Supply Class5980 — Optoelectronic Devices
Power Rating Per Characteristic25.0 MICROWATTS MINIMUM SMALL-SIGNAL OUTPUT POWER, COMMON-BASE
Overall Diameter0.235 INCHES MAXIMUM
Voltage Rating In Volts Per Charac3.0 MAXIMUM REVERSE VOLTAGE, DC
Color Tone Produced Per SourceRED LENS
Mounting MethodTERMINAL
Luminous Intensity2.0 MILLICANDELA NOMINAL
Lens TransparencyTRANSLUCENT
Internal ConfigurationPOINT CONTACT
Current Rating Per Characteristic40.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
Overall Length0.345 INCHES MAXIMUM
Semiconductor MaterialGALLIUM ARSENIDE PHOSPHIDE
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 1HD4251 available?
We can source 1HD4251 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 1HD4251 by Instrument Design Engineering Associates Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1HD4251 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 1HD4251?
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 1HD4251?
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.