BNC style connectors are miniature, light-weight, weatherproof interconnecting devices characterized by their two-stud, quick disconnect bayonet lock
coupling arrangement. Their design functions satisfactorily from DC to 11 GHz in static applications, or from DC to 4GHz in applications involving
vibration. The connectors typically yield a low VSWR (reflected signal) to 4GHz. Primary applications include radio telecommunications, broadcast
equipment, medical equipment, computer, Precision Video, High definition studio broadcast, video switching and test instrumentation where frequent
coupling and de-coupling are necessary. Bomar’s BNCs are available in an extensive variety of configurations and cable sizes and are impedance
matched to either 50 ohm or 75 ohm.
MATERIALS
Connector Parts
Connector Body and Parts
Male Contact Pin
Commercial Grade
Outer Contact
Socket Contact
----------
Crimp Ferrule
Insulators, Standard Versions
----------
Rubber Gaskets
Plating
Material
Brass
Brass
Zinc Alloy/Brass
Brass
Beryllium Copper
Phosphor Copper
Annealed Copper
Teflon
Delrin
Silicone Rubber
Nickel (Silver Optional)
Requirement
Equivalent Standard
ISOCuZn38Pb2 Body Part
QQ-B-626
--------------
QQ-B-750
QQ-C-530 / MIL-H-7199
CuBe2
QQ-C-576
L-P403 / BS4271
Grade B
ASTM-E1418PSI
MIL-G-45204
Performance
Test † Specification
------------
MIL-C-39012
MIL-C-39012
MIL-C-39012
MIL-STD-202
MIL-STD-202
MIL-STD-202
MIL-C-39012
Test † Specification
MIL-C-39012
MIL-STD-202
MIL-STD-202
MIL-C-39012
MIL-C-39012
------------
------------
MIL-STD-202
MIL-STD-202
ELECTRICAL
Impedance
Frequency Range
VSWR
RF Insertion Loss
RF Leakage
Test Voltage ( At Sea Level)
Working Voltage ( At Sea Level )
Insulation Resistance
Contact Resistance
50
75
0-4GHz
0-1 GHz
1.30 Max.
0.2 db Min. at 3 GHz
-55 db Min. at 3 GHz
1500V rms
500V rms
5000 Meg ohms Min.
3 Milli ohms Max.
Requirement
MECHANICAL & ENVIRONMENTAL
Durability
Shock
Vibration
Cable Retention (Cable Types)
Coupling Nut
Temperature Range
Moisture Resistance
Salt Spray
†Products are made to conform to the Mil standard but are for commercial applications and are not QPL
Performance
500 Insertions & Extractions Min.
50 G
20 G from 80-2000 Hz
60 lbs. Minimum Pull Test
60 lbs. Maximum
Teflon: -55 to +199 C
Delrin: -40 to +85 C
Continuous Test
48 Hours
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1
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BNC 3 Piece Crimp
BNC three piece crimp connectors feature semi-captive contacts that “click” into place assuring perfect installation. Each crimp pin has a vent hole for optional
soldering. Soldering is recommended for all stranded conductors 26 AWG or smaller.
Part Number
(Male)
310A205A
310A205A18
310A205F
310A205FS
310A205FV
310A205FV2
310A205FV3
310A204G
310A205G20
310A205G23
310A205MV
310B205MV
310A205N
310A205P
310B205Q
310A204T
310A208W2
RoHS compliant
(I.D.)
Fig. No.
**
.200 In. Fig. 1
.200 In. Fig. 1
.124 In. Fig. 1
.124 In. Fig. 1
.125 In. Fig. 2
.125 In. Fig. 2
.125 In.
Fig. 2
RG/U Cable
6, 21 AWG Center Conductor
6 CATV, 18 AWG Center Conductor
58A/U, 58C/U Stranded, 141, Thin PVC
58/U Solid Conductor
58/U Thin-Net Plenum
Mini 59, RGB Cable (23 AWG)
Mini 59, RGB Cable (26 AWG)
59, 62, 210
RG59 20 AWG Center Cond.
Belden 8241
174, 178, 196, Mini RGB Cable 50
174, 178, 196, Mini RGB Cable 75
179, 187
223
Belden 8281 True 75 Ohms
59, 62, Plenum
Mini 59, RGB Cable (26 AWG)
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Fig.1
Fig.2
.150 In. Fig. 1
.150 In. Fig. 1
.150 In. Fig. 1
.125 In. Fig. 3
.125 In. Fig. 3
.090 In. Fig. 3
.125 In. Fig. 1
.205 In. Fig. 1
.150 In. Fig. 2
.103 In. Fig.1
** crimp shank
Fig.3
Click Here for Connector Dimensions/Stripping Dimensions
BNC Twist-On and 2 Piece Crimp
BNC Twist-On connectors are field installable and require no tooling other than a stripping tool for the cable preparation. The center conductor is inserted into Bomar’s
unique Posi-Con ™contact, as the connector is twisted onto the cable’s outer jacket.
BNC 2 Piece crimp connectors make use of a fully captivated pin. Just insert the center conductor into the connector body, slide the ferrule over the braid, and apply a single
hex-crimp to the ferrule. These connectors are easy to install and reliable and are recommended only for the lower data transmission speeds.
Part
Number
310A405A
310A405F
310A405F1
310A405F2
310A405F3
310A405G
310A405T
320A405F
320A405G
310X205F
310X205G
320X205F
320X205G
Gender
Male
Male
Male
Male
Male
Male
Male
Female
Female
Male
Male
Female
Fig.
No.
Fig. 8
Fig. 8
Fig. 8
Fig. 8
Fig. 8
Fig. 8
Fig. 8
Fig. 8A
Fig. 8A
Fig. 6
Fig. 6
Fig. 7
Fig. 7
RG/U Cable
6, Thick net
58A/U Solid Cond, 141, Thin PVC
58/U Solid Cond. -.172"- .178 “
58/U Thin Plenum - .158" - .162"
Thin Plenum .150"
59, 62, 210 PVC
59, 62, 210 Plenum
58 Solid (PVC)
59, 62, 210 (PVC)
RG58 (PVC)
RG59, 62 (PVC)
RG58 (PVC)
RG59, 62 (PVC)
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Fig.8A
Fig.8
Fig.6
Fig.7
s
s
Female
RoHS compliant
FOR TECHNICAL SUPPORT: PHONE 973-347-4040 / FAX973-347-2111
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2
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BNC Connectors
BNC Standard Clamp
BNC standard clamp style is a simplified version of the original military clamp style. It is required that the contact be soldered to the center conductor
of the cable.
Part
Number
310A105A
310A105D
310A105F
310A105G
310A105M
320A105F*
320A105G*
Gender
Male
Male
Male
Male
Male
Female
Female
Fig. No.
9
9
9
9
9
N/S
N/S
6
11A
58, 58A, 58C, 141
59, 62, 210
174, 188, 316
58, 58A, 58C, 141
59, 62, 214
Figure 9
RG/U Cable
RoHS compliant
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BNC Specialty Broadcast Plugs
Click here for complete Broadcast Catalog
Broadcast grade BNC connectors are perfectly matched to 75 ohm impedance’s. The superior plugs are for studio wiring and other broadcast uses. Solid
precision machined brass, not die-cast, hold up under the toughest conditions. Here, we are showing the eight most popular but there are many more
versions matched to the popular cable manufacturer’s part number.
Part Number
SBC1505A
SBC1694A
SBC1695A
SBC1855A
SBC7731A
SBC8218
SBC8241
SBC8281
Gender
Male
Male
Male
Male
Male
Male
Male
Male
Belden Cable
1505A
1694A
1695A
1855A
7731A
8218
8241
8281
s
s
s
s
RoHS compliant
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s
BNC Bulkhead Jacks
Versions are available for front mounting, (F/M) rear mounting, (R/M) crimp types, bulkhead mount grounded, or bulkhead mount, isolated. (Color-
coded available.) These jacks are held into the panel by a hex-nut and lock washer. All units feature nickel plated, brass bodies, and gold phosphor-
BNC panel plugs and jacks are of machined brass construction for maximum reliability and quality. All contacts are plated with a minimum of five
micro-inches of gold. The square panel types mount on .500 inch centers. The bulkhead type mounts into a .380 “D” shaped panel hole. All connector
bodies are bright-nickel plated.
Part Number
316A524C
317A507
321A205F
321A205G
321A205M
327A507
RoHS compliant
Description
Male Bulkhead Panel Mount
Male Panel Mount
Female Panel Mount, Crimp
Female Panel Mount, Crimp
Female Panel Mount, Crimp
Female Panel Mount, Solder
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Notations
.380" Mtg. Hole
. 500 Mtg. Hole Centers
Fits RG58/U Cables
Fits RG59, 62 , 210
Fits RG174, 178, 196
.500 Mtg. Hole Centers
Fig. No. Dwg
.
19
20
21
21
21
22
---
---
---
---
Figure 19
Figure 20
Figure 21
Figure 22
BNC PC Board Vertical Jacks
BNC vertical mount jacks are available in straight PC mounts and “through-panel” styles. The “through-panel”, 364 Series, is made in both isolated and
grounded versions and are ideal for applications where multiple insertions will require a connector which can endure the stress of higher torque.
Part
Number
361A514*
361A505*
361A534*
361A505APF
361A705APF
364S595
364S595B
364S595M
364S795*
364S795B*
364S795M*
Body Plating or
Description
Material
Nickel / Brass
Straight PC Mount 50
Nickel / Brass
Straight PC Mount 50
Nickel / Brass
3 Post PC Mount 50
Nickel/Zinc
Nickel/Zinc
White Valox
Black Valox
Nickel/Zinc
White Valox
Black Valox
Nickel/Zinc
4 Post W/ Press Fit Center Pin 50
4 Post W/ Press Fit Center Pin 75
PC Mount, Thru-Panel, 50
PC Mount, Thru-Panel, 50
PC Mount, Thru-Panel, 50
PC Mount, Thru-Panel, 75
PC Mount, Thru-Panel, 75
PC Mount, Thru-Panel, 75
RoHS compliant wave solder only
Insul. Mat.
Teflon
Delrin
Delrin
Delrin
Delrin
Delrin
Delrin
Delrin
Delrin
Delrin
Delrin
Con.
"L" Dim
Plating
Gold
.717
Gold
.914
Gold
Gold
Gold
Gold
Gold
Gold
Gold
Gold
Gold
.788
.925
.925
1.36
1.36
1.36
1.36
1.36
1.3
Fig.
No.
26
27
27A
27B
27B
23
24
25
23
24
25
Dwg
.
---
---
Fig. 23
Fig. 24
Fig. 25
s
s
s
s
RoHS compliant reflow or wave solder
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Fig. 26
The press-fit center pin locks the connector into the PC
board so it is held firmly for reflow or wave soldering.
Fig. 27B
Fig. 27A
* Denotes that items are not popular and may require a
special minimum quantity requirement.
________________________
FOR TECHNICAL SUPPORT:
PHONE 973-347-4040 / FAX 973-347-2111
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4
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BNC Connectors
BNC PC Board Right Angle JacksX
These BNC jacks are manufactured to the highest standards to assure stability in maintaining impedance matching at 50 ohm and 75 ohm applications.
The 50 ohm versions have been approved by most of the U.S. manufacturers of LAN cards, and the 75 ohm is in wide use in High Definition Video
applications which require the use of a True 75 ohm connector. Contacts are phosphor bronze and will remain resilient even after hundreds of insertions.
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