N Series



Table of contents

  "N" connectors are designed with characteristic impedance of 50 Ohm a frequency range up to 11 GHz.
  The screw coupling provides a sturdy and reliable connection.
  "N" connectors are designed for compatibility with connectors manufactured to MIL-C-39012.

Plug interface

Jack interface

Click to see dimensions

Click to see dimensions



Brass, nickel plated

Center contact

Brass (male)/BeCu or PhBz (female), gold or nickel plated



Crimp ferrule

Annealed copper, gold or nickel plated


Silicone rubber



50 Ohm

Frequency range

0 ~ 10 GHz

Working voltage

1000V rms max

Insulation resistance

5000 MOhm min

Dielectric withstanding voltage

2500V rms min

Contact resistance

Center contact: 1.0 mOhm max
Outer contact: 0.2 mOhm max


1.3 max

Insertion loss

0.15 dB max @3.0 GHz



Screw type coupling mechanism

Coupling nut retention force

100 lbs min

Coupling proof torque

15.0 in/lbs min (for plug only)


500 matings

Cable retention force

Non-crimp = 40 lbs min
RG178 = 7.3 lbs min
RG316 = 12.1 lbs min
RG58 = 28.7 lbs min


Corrosion (sail spray)

MIL-STD-202F, Method 101D, Condition B

Thermal shock

MIL-STD-202F, Method 1017G, Condition B


MIL-STD-202F, Method 204D, Condition B

Mechanical shock

MIL-STD-202F, Method 213B, Condition A

Alpha Center
351 Irving Drive, Oxnard, CA 93030, USA

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