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3FA1-NASJ-C65W0 — Amphenol product photo
Amphenol

Amphenol 3FA1-NASJ-C65W0 SMB/Fakra Jack, 50 Ohm, 3 GHz

MPN3FA1-NASJ-C65W0
Active

Amphenol SMB/Fakra jack, female socket, 50 Ohm, 3 GHz, crimp termination, latch lock, 1 port, free hanging, Code A keying, tray pack.

$1.4847Ref. price · indicative, final on quote
3FA1-NASJ-C65W0 datasheet
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MOQ1 pcs
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Specifications

3FA1-NASJ-C65W0 Technical Specifications
ParameterValue
Mounting typeFree Hanging (In-Line)
Connector typeJack, Female Socket
Fastening typeLatch Lock
Frequency - max3 GHz
Cable groupRG-59, 59B, 62, 140, 210, Belden 8241, 8263, 8279, 9209
Operating temperature-40°C~85°C
Body materialZinc Die Cast
Housing colorBlack, Jet
Dielectric materialPolytetrafluoroethylene (PTFE)
Center contact materialBrass
PackageTray
FeaturesCode A
Impedance50Ohm
Body finishTin
Mating cycles100
Number of ports1
Shield terminationCrimp
Contact terminationCrimp
Center contact platingGold

Product details

The Amphenol 3FA1-NASJ-C65W0 is a Code A-keyed SMB/Fakra jack — a female socket in a free-hanging (in-line) body, designed for 50 Ohm coaxial cable assemblies. It carries a 3 GHz frequency ceiling, which covers most automotive antenna feeds (GPS, SDARS, cellular) and short-reach RF interconnects where the SMB snap-on interface is preferred over a threaded SMA.

Cable Prep and Termination

The cable group list covers RG-59, 59B, 62, 140, 210, and Belden 8241, 8263, 8279, 9209. The 50 Ohm impedance of the connector matches the 50 Ohm cables in that group.

Durability and Field Life

Rated for 100 mating cycles — that is typical for an SMB-family connector and sufficient for a harness that is mated during vehicle assembly and rarely disconnected in service. The gold-plated centre contact handles the wipe without galling over that cycle count. The latch lock gives a positive tactile click when fully seated; there is no secondary lock or TPA.

Frequently asked questions

What is the impedance of 3FA1-NASJ-C65W0?

50 Ohm nominal impedance, standard for RF signal paths. The PTFE dielectric and the centre contact geometry are designed to hold that impedance through the crimp transition.

How many mating cycles does 3FA1-NASJ-C65W0 have?

Rated for 100 mating cycles. The gold-plated centre contact is the wear surface that governs that cycle life.