The N connector remains one of the most commonly used RF connector in circulation. N connectors can be found in any telecommunications application from VHF to Sub-6 GHz microwave. Most manufacturers specify an upper operating limit of 3 to 6 GHz, with high quality variants up to 11 GHz

Alias
N-Type
Impedance
50 Ω
Max. Operating Frequency
11.0 GHz
Mechanism

About the N Connector

The "Navy" series connector, also known as Type-N or N-Type, was originally designed for military communications. The N connector remains one of the most commonly used RF connector in circulation.

N connectors have a 5/8 - 24 UNEF threaded coupling and are often considered weatherproof for low frequency applications, however lack of internal gaskets make weatherproofing necessary for reliable operation. N connectors have a 50 Ω characteristic impedance, with 75 Ω variations also available with modified contact and dielectric configuration.

Most manufacturers specify an upper operating limit of 3 to 6 GHz, with high quality variants up to 11 GHz, and precision types operating to 18 GHz.

Variations

N connectors are available in General Purpose (the common N connector we use today), a precision type operating to 18 GHz, and a variation governed by MIL-T-81490 termed the EWN connector.

Male Dimensions

N Male Connector CAD Drawing Dimensions
Legend Min Max
A
1.6000
1.6760
B
7.0000
7.0000
C
8.0270
D
3.0400
3.0400
E
0.0000
1.5700
F
0.4100
1.5200
G
2.7900
3.5600
H
5.3300
I
9.2500

Female Dimensions

N Female Connector CAD Drawing Dimensions
Legend Min Max
A
7.0600
B
8.0270
8.1300
C
8.5300
8.7400
D
3.0400
3.0400
E
4.7500
5.2600
F
9.0500
9.1900
G
6.7600
H
10.7200
I
15.9300