N Type S/Steel Bulkhead Rear Mount Solder / Solder Jack ( 2 Flats )


N Type 50 ohm rear mount bulkhead jack for direct solder to semi-rigid cable. The contact is gold plated as is the rear body for soldering to the copper jacket of the cable. The outer contact body, Hex nut and Locking Washer are made from passivated stainless steel the Solder Body is gold plated stainless steel . Fits a mounting hole with 2 flats. Suitable RG402 (0.141") semi rigid and similar cables in group HB.

N Type 50 ohm are a rugged screw coupled, mid sized series of connectors, with versions available for use up to 11 GHz.  N Type connector interface is according to Mil 30912 and are sealed to IP67 when mated.   75 ohm versions of N Type are also available.

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Electrical Specification
Impedance 50 Ohm
Frequency Range 18GHz
Dielectric Withstand Voltage 1500 Veff
Insulation Resistance 5000 M-Ohm
Mechanical Specification
Design Standard IEC 61169-8
RoHS Compliant Yes
Centre Contact Termination Solder
Outer Contact Termination Solder
Mating Cycles 500
Contact Retention 27N min
Cable Retention 200N min
Weight 32.34g
Mating Force 6.6Ncm max
Un-Coupling Force 6.6Ncm max
Environmental Specification
Operating Temperature -55 to +155 Deg C
IP Rating ( Mated ) IP67
Centre Contact Beryllium Copper
Outer Contact Stainless Steel
Insulator PTFE
Centre Contact Plating Gold
Outer Contact Plating Passivated
Pack Size 1

Suitable for Cables in Group HB - full cable information available here.

Cable Type Cable GroupImpedance
O/D mm
O/D mm

Centre Conductor

Centre Conductor
O/D mm
Centre Conductor
Stranding mm

Outer Conductor

RG402 (.141") HB 50 3.58 PTFE 3.02 SCCS 0.91 1/0.91 Solid Copper Tube

Build your own assembly with our Cable Configurator

Open Configurator


Performance Data available on request, please contact COAX


Assembly Process AP033
Stripping Dimensions 25-279-SD
Centre Contact Solder
Outer Contact Solder
General Notes CD 0015



Interface Dimensions C-50-Ohm-N
Stripping Dimensions 25-279-SD
Data Sheet 25 217 H3 HB A00 0
Assembly Process AP033
General Notes CD 0015

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