BNC
Specifications
Amphenol
®
BNC
ELECTRICAL
Impedance
Frequency range
Voltage rating
Dielectric
withstanding voltage
VSWR
50 ohms nominal
s
0-4 Ghz w/low reflection
500 volts peak
1,500 volts rms.
M39012 straight
connectors:
1.3 max. 0-4 GHz
M39012 right angle:
1.35 max. 0-4 GHz
Other (MIL-C-39012
cable connectors)
Contact resistance:
center contact 1.5
milliohm
outer contact 0.2
milliohm
Braid to body 0.1
milliohm
RF leakage: - 55 dB
minimum at 3 GHz
Insertion loss: 0.2 dB
maximum at 3 GHz
Insulation resistance:
5000 megohms (min.)
MECHANICAL
Mating
Cable affixment
(braid or jacket)
2-stud bayonet
coupling per M39012
All crimps: hex braid
crimp.
Clamps: screw-thread
nut and braid clamp.
Cable affixment
(center conductor)
Captivated
contact
Cable retention
Crimps: crimp or solder
All others: solder only
All crimps
Others: where specified.
Crimps: 20-100 lbs.
All others: 30-70 lbs.
ENVIRONMENTAL
Temperature range
TFE insulators:
- 65°C to + 165°C
Copolymer of Styrene:
- 55°C to + 85°C
Clamps with clamp
gaskets.
Crimps with heat-shrink
tubing.
Pass helium leak test of
2 X 10
-8
cc/sec
MIL-Std. 202 method
202
MIL-Std. 202 method
204 (test cond. D)
MIL-Std. 202 method
106
MIL-Std. 202 method
101 (test cond. B)
MIL-Std. 202 method
102 (test cond. D)
MIL-Std. 202 method
105 (test cond. C)
Weatherproof
Hermetic seals
Shock
Vibration
Moisture resistance
MATERIAL
Center contacts
Male: brass
Female: Beryllium
copper or phosphor
bronze. Silver or gold
plated
Brass,
Nickel finish
except M39012 silver.
TFE; copolymer of
styrene, glass-TFE
(hermetically sealed)
Synthetic rubber,
Silicone rubber
Copper / Brass
Corrosion
Temperature
cycling
Altitude
Other metal parts
Insulators
MILITARY SPECIFICATIONS
MIL-C-39012
Where applicable
Clamp gaskets
Crimp ferrule
NOTE: These characteristics are typical and may not
apply to all connectors.
BNC
s
Also see 75 ohm BNC connectors in the following
section
PLUG
REF PLANE
.210/.230
.208/.228
.006 MIN
JACK
.414 MIN
.188/.208
.186/.206
.385/.390
Å.322 MAX
.190 MIN
.378/.382
.432/.436
.327/.333
.256 MAX
.186 MAX
.346/.356
.319/.321
.015/.030
.003 MIN
.052/.054
55 /65
1 /4
.006 MAX
REF PLANE
.075/.081
.204/.208
.195
MIN
.327/.335
.081/.087
.081/.087
.025 MAX
.078 MIN
.081/.087
.195
MIN
Amphenol Corporation Tel: 800-627-7100
www.amphenolrf.com
107
AMPHENOL [ AMPHENOL CORPORATION ]
