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3FA1ENASJ-C04ES — Amphenol product photo
Amphenol

Amphenol RF 3FA1ENASJ-C04ES SMB Fakra Jack, 50 Ohm, 3 GHz

MPN3FA1ENASJ-C04ES
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Amphenol RF SMB Fakra jack, female socket, 50 Ohm, 3 GHz, IP67, crimp shield termination, solder contact, Code A keying, free-hanging in-line mount.

$2.7826Ref. price · indicative, final on quote
3FA1ENASJ-C04ES datasheet
StockContact for availability
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Specifications

3FA1ENASJ-C04ES Technical Specifications
ParameterValue
Mounting typeFree Hanging (In-Line)
Connector typeJack, Female Socket
Fastening typeLatch Lock
Frequency - max3 GHz
Ingress protectionIP67 - Dust Tight, Waterproof
Cable groupRG-58, 58A, 58B, 58C, 141, 303, LMR-195, Belden B7806A, 9907
Operating temperature-40°C~105°C
Body materialZinc Die Cast
Housing colorBlack, Jet
Dielectric materialPolytetrafluoroethylene (PTFE)
Center contact materialPhosphor Bronze
PackageTray
FeaturesCode A
Impedance50Ohm
Body finishNickel
Mating cycles100
Number of ports1
Shield terminationCrimp
Contact terminationSolder
Center contact platingGold

Product details

What Is the 3FA1ENASJ-C04ES and Where Is It Used?

The Amphenol RF 3FA1ENASJ-C04ES is an SMB Fakra jack, female socket, terminated with a solder contact and a crimped shield. The IP67 rating means the mated pair is dust-tight and protected against temporary water immersion, so this connector suits exterior vehicle harnesses, roof-mount antenna cables, and washdown-area sensor links. The Code A keying is part of the Fakra standard, ensuring the correct color-coded housing mates only with its matching receptacle — a non-negotiable fit for production harness builds.

Cable Compatibility and Termination

This jack is designed for a specific cable group: RG-58, 58A, 58B, 58C, 141, 303, LMR-195, Belden B7806A, and 9907. The crimp shield termination and solder contact work with the 50 Ohm impedance of these cables, so the signal path stays matched through the transition from cable to connector. The free-hanging in-line mounting means the connector is terminated to the cable end, not to a panel or PCB — it is the cable-side half of the mated pair.

Mating Cycles and Field Service

The gold-plated center contact on phosphor bronze resists corrosion and maintains contact resistance over those cycles.

Frequently asked questions

Where can I buy the Amphenol RF 3FA1ENASJ-C04ES and what is the price?

Pricing and current stock levels are confirmed at the time of quotation — no firm price or stock count is published here.

Is the 3FA1ENASJ-C04ES a 50 Ohm connector?

Yes, the 3FA1ENASJ-C04ES carries a 50 Ohm impedance rating, making it suitable for matched-impedance RF signal paths such as antenna feeds and GPS modules.

Which cables are compatible with the 3FA1ENASJ-C04ES?

The connector is designed for RG-58, 58A, 58B, 58C, 141, 303, LMR-195, Belden B7806A, and 9907 cables. The crimp shield and solder contact termination match the 50 Ohm impedance of these cable types.

How many mating cycles does the 3FA1ENASJ-C04ES support?

The connector is rated for 100 mating cycles, which is adequate for field-service and test applications but not for high-cycle production mating.