● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Siemens Microelectronics Inc. Optoelectronics Div  · Electronic Components

RL-4403

Light Emitting Diode

Part NumberRL-4403
ManufacturerSiemens Microelectronics Inc. Optoelectronics Div
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameLIGHT EMITTING DIODE
Federal Supply Class5980 — Optoelectronic Devices
Power Rating Per Characteristic100.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Semiconductor MaterialGALLIUM ARSENIDE PHOSPHIDE
Lens TransparencyTRANSLUCENT
Mounting MethodPRESS FIT
Voltage Rating In Volts Per Charac1.6 NOMINAL FORWARD VOLTAGE, DC
Function For Which DesignedVISIBLE LIGHT EMITTING
Internal ConfigurationPOINT CONTACT
Internal Junction ConfigurationPN
Overall Length0.340 INCHES NOMINAL
Overall Diameter0.230 INCHES NOMINAL
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM FORWARD CURRENT, DC
Cancelled NSN5961-00-173-3946 (cancelled)
Review your list (0) →
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

Frequently asked

Is RL-4403 available?
We can source RL-4403 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 RL-4403 by Siemens Microelectronics Inc. Optoelectronics Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RL-4403 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 RL-4403?
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 RL-4403?
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.