SubConn Coax – Coax and Coax/Electric (50 and 75 ohm)

SubConn Coax - Coax and Coax/Electric (50 and 75 ohm)

Drawing information

Dimensions in mm (1 mm = 0.03937 inch)
Threads in inches (1 inch = 25.4 mm)

Connector specifications

Voltage rating on electric contacts: 300 V AC rms
DC rating: 85% of above AC rating
Current rating on electric contacts: 5 A per contact (max 20 A per connector)
HD video (75 ohms connector version): HD-SDI SMPTE292M (1.485 Gbps), 1920×1080 60i

50 ohm frequency*: 0.1 GHz / 0.3 GHz / 0.5 GHz / 0.7 GHz / 0.9 GHz / 1.1 GHz / 1.3 GHz / 1.5 GHz
50 ohm attenuation*: 1.4 dB / 3.0 dB / 4.1 dB / 6.3 dB / 8.0 dB / 11.2 dB / 15.9 dB / 18.5 dB

75 ohm frequency*: 0.1 GHz / 0.3 GHz / 0.5 GHz / 0.7 GHz / 0.9 GHz / 1.1 GHz / 1.3 GHz / 1.5 GHz
75 ohm attenuation*: 1.6 dB / 3.4 dB / 4.5 dB / 6.9 dB / 7.9 dB / 13.7 dB / 18.4 dB / 22.5 dB

Recommended max frequency for 50 and 75 ohm: 1.5 GHz
Insulation resistance: > 200 Mohm
Contact resistance: < 0.01 ohm
Wet matings: N/A (dry mating only)
Temperature rating (water): – 4 to 60˚C, 25 to 140˚F
Temperature rating (air): – 40 to 60˚C, – 40 to 140˚F
Storage temperature rating: – 40 to 60˚C, – 40 to 140˚F
Depth rating: 600 bar, 8,700 psi
SubConn® Coax connectors are dry mate only, and cannot take open face pressure. Locking sleeves are required.

Material specifications

Connector body: Chloroprene rubber
Bulkhead body: Brass, stainless steel, titanium or anodised aluminium
Power contacts: Female sockets in gold plated brass UNS – C36000, male pins in gold plated beryllium copper
Coax contacts: Gold plated contacts
O-rings: Nitrile
Locking sleeves POM
Snap rings: Stainless steel AISI 302
Inline cable (60 cm, 2 ft): PUR jacket cable with either 50 or 75 ohm coax and 6 x 20 AWG, 0.52 mm2 conductors
50 ohm bulkhead leads (100 cm 3.3 ft): RG188 coax
75 ohm bulkhead leads (100 cm 3.3 ft): RG179 coax
50 ohm 6 contacts bulkhead leads (100 cm 3.3 ft): 5 x 20 AWG, 0.52 mm2 coloured PTFE wires and RG188 coax
75 ohm 6 contacts bulkhead leads (100 cm 3.3 ft): 5 x 20 AWG, 0.52 mm2 coloured PTFE wires and RG179 coax

Face view (male)

SubConn Coax - Coax and Coax/Electric (50 and 75 ohm) Face View(male)

Inline cable colour code

1: Black
2: White
3: Red
4: Green
5: Orange
6: Blue

Nominal cable outside diameter (OD)

50 ohm coax PUR cable 0.290”, 7.38 mm
50 ohm, 6 conductor PUR cable 0.385”, 9.80 mm
75 ohm coax PUR cable 0.305”, 7.75 mm
75 ohm, 6 conductor PUR cable 0.385”, 9.80 mm

Additional information

*All frequency and attenuation values are based on a 7 metre cable assembly test including 2 bulkhead connectors

Step files

Related files

SubConn Coax – Coax and Coax/Electric (50 and 75 ohms)