TT Electronics/Optek Technology · Electronic Components
4N49U
OPTOISOLATOR HERMETIC SEAL SMD
Part Number4N49U
ManufacturerTT Electronics/Optek Technology
AvailabilityAvailable to order — request a quote
Specifications
NSN5980-01-485-0355 (NSN)
Federal Item NameCOUPLER,OPTOELECTRONIC
Overall Length0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
Overall Width0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM
Overall Height0.066 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
Special FeaturesINFRARED EMITTING DIOD; MOUNTED IN A HERMETICALLY SEALED CERAMIC SURFACE MOUNT PACKAGE -"U" DENOTES SURFACE MOUNT PACKAG
General Characteristics Item DescrGALLIUM ARSENIDE; SOLID STATE COUPLED ISOLATORS; NPN
Federal Supply Class5980 — Optoelectronic Devices And Associated Hardware
ESD/EMICode A — ESD/EMI sensitive item
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 4N49U available?
We can source 4N49U 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 4N49U by TT Electronics/Optek Technology obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4N49U 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 4N49U?
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 4N49U?
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.