BNC
50 Ω BNC Specifications (continued)
Material
Body and outer contacts
Male contact
Brass, nickel plated
Brass, gold plated
Female contact
Crimp ferrule
Other metal parts
Insulator
Beryllium copper or phosphor bronze, gold or silver plated
Copper or brass, nickel plated
Brass, nickel plated (except M39012 silver plated)
PTFE, copolymer of styrene, glass TFE (hermetically sealed)
Silicone rubber
Gasket
Military
MIL-C-39012
where applicable
Plug
Jack
REF PLANE
.210/.230
.414 MIN
.188/.208
.208/.228
.006 MIN
.186/.206
.385/.390
.378/.382
.432/.436 .346/.356
.327/.333
.256 MAX
.186 MAX
.319/.321
Å.322 MAX
.190 MIN
.015/.030
.075/.081
.006 MAX
REF PLANE
.003 MIN
.204/.208
.327/.335
75 Ω BNC Specifications
Electrical
Impedance
75 Ω nominal
Frequency range
Type 1: DC – 4 GHz (performance grade useable to 6 GHz)
Type 2: DC – 1 GHz
VSWR
Type 1: 1.5 + 0.1 f (GHz) DC – 4 GHz
Type 1 (Performance grade): 1.16 max. @ DC – 3 GHz
Type 2: 1.0 + 0.25 f (GHz) DC – 1 GHz
55 dB minimum @ 3 GHz
RF-leakage
Voltage rating (at sea level)
Contact resistance
≥ 500 Vrms (depending on cable)
center contact: ≤ 1.5 mΩ
outer contact: ≤ 0.2 mΩ
braid to body: ≤ 0.1 mΩ
Insulation resistance
5,000 MΩ minimum
Insertion loss maximum
Dielectric withstanding voltage
0.2 dB max. @ 3 GHz
1,500 Vrms (at sea level)
108
Amphenol® RF: 800-627-7100
BNC
AMPHENOL [ Amphenol ]
