Neutrik BNC Connectors - Manual (Page 11)

117 www.neutrik.com
T e c h n i c a l D a t a
Specifications rearTWIST & rearTWIST Bulkheads
rearTWIST Large Tiny & Cable &
& Cable Jack Jack Tiny Coupler
Panel
E l e c t r i c a l
M e c h a n i c a l
Cable anchoring Jacket crimping   N / A
Cable O.D. range mm 4.0 - 7.7 2.5 - 3.8 N / A
- Rear Twist Large mm 10.3 - -
Center contact retention > 30 N   -
Engagement force < 25 N   
Lifetime 1`000 mating cycles   
E n v i r o n m e n t a l
Temperature range -30 °C to +85 °C   
Solderability complies with IEC 68-2-20   N / A
Contact crimpability complies with IEC 60803 and IEC 60352-2   N / A
M a t e r i a l
Shell Brass (CuZn39Pb3), Optalloy coated   
PA6 (Push Pull only) N / A N / A N / A
D-Shape housing: Zinc diecast (ZnAl4Cu1)
N / A N / A NBB75D*
gal Ni or black Cr platin
Ground contact
Bronze (CuSn6), 0.2 µm AuCo over 2 µm NiP15   -
Brass (CuZn39Pb3), OPTALLOY coated - - 
Center contact
Brass (CuZn35Pb2), 0.2 µm AuCo or   -
Brass (CuZn39Pb3), 0.2 µm AuCo - - 
Insulator Teflon PTFE   
Chuck Polyacetal POM N / A N / A N / A
Insulation Shell Polyacetal POM N / A N / A 
I.D. in mm Materials Plating Coding Ring
0.4 Brass (CuZn39Pb3) 2 µm AuCo 0
0.5   5
0.6   1
0.7   2
0.9   3
1.1   6
1.2   4
1.7   0
1.4   5
Impedance 75 Ω   
Rated voltage 500 V ac rms  250 V ac rms 
Insulation resistance > 5 G Ω   
Dielectric withstanding voltage 1'500 V ac rms  750 V ac rms 
VSWR / Return Loss ≤ 1.050 / > 32 dB up to 1 GHz  ≤ 1.10 / > 26 dB up to 1 GHz ≤ 1.03 / > 37 dB up to 1 GHz
≤ 1.065 / > 30 dB up to 2 GHz  ≤ 1.14 / > 24 dB up to 2 GHz ≤ 1.05 / > 32 dB up to 2 GHz
≤ 1.100 / > 26 dB up to 3 GHz  ≤ 1.22 / > 20 dB up to 3 GHz ≤ 1.08 / > 28 dB up to 3 GHz
Inner contact resistance ≤ 3 m Ω (initial)   
Outer contact resistance ≤ 2 m Ω (initial)   
C e n t e r C o n t a c t
(# of rings on
base of contact)