![](http://datasheet.mmic.net.cn/50000/4159_datasheet_1792809/4159_1.png)
www.pomonaelectronics.com
4
BNC Panel Receptacles
Model#
Type
Spacing
50
Ω Impedance
2447
BNC (m)
0.531in (13.46mm) hole
spacing center to center
2451
BNC (f)
2447A
BNC (m)
0.50in (12.70mm) hole
spacing center to center
2451A
BNC (f)
75
Ω Impedance
6735
BNC (m)
0.50in (12.70mm) hole
spacing center to center
6736
BNC (f)
0.531in (13.46mm) hole
spacing center to center
BNC: Shell: tarnish resistant nickel-plated brass; Center
Contact: male: gold-plated brass; female: gold-plated
beryllium copper; Dielectric: PTFE .
2447/2447A
Dimensions for 6735
(not shown)
1.13in (28.6mm)
1.21in (30.73mm)
2451/2451A
Dimensions for 6736
(not shown)
1.06in (26.9mm)
1.08in
(27.43mm)
Cut-Out
for 2447/2447A/6735
0.125in
(3.18mm)
0.375in
(9.53mm)
Cut-Out
for 2451/2451A/6736
0.125in
(3.18mm)
0.453in
(11.50mm)
(see table for spacing)
BNC Female PCB Mount
Model#
Type
Material
50
Ω Impedance
4578
Vertical BNC
4788
R/A BNC
Brass
6717
Dual R/A BNC
White Valox
7073*
Straight
Brass
75
Ω Impedance
6718
BNC (f)
White Valox
6747
BNC (f)
Vertical
6748
BNC (f)
Right Angle
Rating: Maximum voltage for hands free use:
500 Vrms*, Impedance: 50
Ω, -85 to +329F
(+165 to -65C)
BNC: Body: tarnish resistant nickel-plated brass;
Contact: gold-plated beryllium copper. Dielectric: PTFE.
*Performance: 4 GHz with Vswr of 1.3 maximum from
0 to 4GHz.
4788/6748
0.69in
(17.53mm)
0.16in
(4.06mm)
long
4578/6747
0.94in
(23.87mm)
0.695in
(17.65mm)
0.16in
(4.06mm)
long
Cut-Out
for 4578/4788/7073
0.50in
(12.70mm)
0.25in
(6.35mm)
0.50in
(12.70mm)
Cut-Out
for 6717/6718
0.25in (6.35mm)
0.10in
(2.54mm)
0.20in
(5.08mm)
0.20in (5.08mm)
2x 0.079in (2.0mm)
4x 0.40in
(10.16mm)
0.40in (10.16mm)
6717
1.43in
(36.2mm)
1.31in
(33.25mm)
1.15in
(29.25mm)
6718
1.43in
(36.2mm)
1.31in
(33.25mm)
1.15in
(29.25mm)
7073
0.88in
(22.23mm)
0.25in
(6.35mm)
long
Cut-Out for
4578/4788/7073/6747/6748
BNC Bulkhead Receptacles
5148
1.32in (33.53mm)
3778/6741
1.10in (27.94mm)
4979
1.21in (30.73mm)
4159/6741
1.24in (31.50mm)
4160/6745
1.08in (27.43mm)
Model# Type
Special Features
Max. Panel
Thickness
50
Ω Impedance
3778
BNC (f)
Isolated Ground,
Teflon Insulation
0.18in (4.57mm)
5148
Isolated Ground,
Valox Insulation
0.175in (4.45mm)
4159
BNC (f)
Hermetically Sealed* 0.37in (9.40mm)
4160
0.10in (2.54mm)
4979
BNC (m)
0.19in (4.83mm)
75
Ω Impedance
6741
BNC (f)
Isolated Ground
6745
BNC (f)
* Leakage rate less than 10-7 cc/sec of tracer gas at one atmosphere.
BNC: Body: tarnish resistant nickel-plated brass; Center Contact:
male: gold-plated brass; female: gold-plated beryllium copper
(except as noted); Dielectric: PTFE.
Mounting hardware is isolated from outer conductor of BNC.
0.35in
(8.89mm)
0.375in
(9.52mm)
Panel Cut-Out
0.47in
(11.95mm)
0.50in
(12.7mm)
Cut-Out
for 3778
Cut-Out for
3778/6741
Cut-Out for
5148
RF Coaxial Connectors, Adapters and Kits
*see rating message at start of section.