Mini Coax+
Directory chapter 09
Mini Coax+
modules (surface mount, SMT/SMC)
Mini Coax+ connector system – general information . . . . . . . . . . . . . . . . . . . .
Page
09.02
09.03
09.04
09.05
Technical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mini Coax+ straight modules for backplane assembly . . . . . . . . . . . . . . . . . . . .
Mini Coax+ angled modules for daughtercard assembly . . . . . . . . . . . . . . . . . .
Available
on request
09
.
01
Mini Coax+
Mini Coax+
connector system
The Mini Coax standard connector system is now
further enhanced with the
Mini Coax+.
This new
connector system has been originally developed
for 3rd generation telecom base stations.
Excellent transmission characteristics are realised
by the lowest connector losses and matched
impedances of all internal sections. The Mini
Coax+ connector therefore offers best transmission
characteristics for RF signals up to 4 GHz.
The modules are available in metric size 1.00 SU
(SU = System Unit = 25 mm) with 2 to 6 coaxial lines.
Mini Coax+ combines the advantages of both reflow
soldering principles SMC and SMT. SMC stands for
General information
'Pin in Hole' and therefore provides high mechanical
strength and endurance against dynamic and static
shearing forces. SMT stands for 'Pin on Pad' and
therefore provides highest RF performance of board
terminations (see Fig. 1). Both principles allow fully
automated assembly which promotes HARTING's
multi coax connector to a product which offers an all
in one solution:
automated board assembly
●
Robust design
●
Excellent RF performance
●
Fully
signal termination SMT
Fig. 1: Angled Mini Coax+ module
ground termination SMC
Based on available SPICE models for the
connector customers’ design-in can be supported
by HARTING's in house RF competence centre
with close co-operation. This guarantees
optimised signal transmission in the target
application. On this behalf our vision is to support
the customer from the design-in phase to a real
running application.
Mini Coax+ connectors are full mating compatible
to standard Mini Coax connectors and offer a
constant mating depth compared to product line
. Therefore a simultaneous use on one board
is possible in any mixed configuration (see Fig. 2).
09
.
02
Mini Coax+
Fig. 2: Board with mixed
connector configuration
Mini Coax+
Number of contacts
Grid pattern
Dielectric withstanding
Voltage U
r.m.s.
DC-contact resistance
Centre contact
Ground contact
Insulation resistance
:
:
Technical characteristics
2, 4 or 6 coaxial contacts
4.40 x 6.25 mm (within a twin x between twins)
:
:
:
:
≤
450 V (for 60s)
≤
15 mΩ
≤
6 mΩ
≥
5000 MΩ
Nominal impedance
Frequency range
Return loss*
Insertion loss
Crosstalk attenuation
:
:
:
:
:
50
Ω
0 – 4 GHz
≥
20 dB
1)
(0 … 2.5 GHz) equal to VSWR
≤
1.22
≥
20 dB
1)
(0 … 4.0 GHz) equal to VSWR
≤
1.22
≤
0.23 dB
1)
(0 … 2.5 GHz)
≤
0.75 dB
1)
(0 … 4.0 GHz)
≥
50 dB
2)
within a twin (0 … 2.5 GHz)
≥
60 dB
2)
between twins (0 … 2.5 GHz)
≥
35 dB
2)
within a twin (0 … 4.0 GHz)
≥
45 dB
2)
between twins (0 … 4.0 GHz)
max. 500
Mini Coax+
Mating cycles
Termination technique
Mating compatible
Mating force
Withdrawal force
Mating distance
Wiping length
:
:
:
:
:
:
:
Surface Mount Technology (SMT / SMC)
Mini Coax Standard modules
≤
5 N/line
> 1 N/line
12.5 … 15 mm
2.5 mm
max. ± 1.5 mm
– 55 °C ... + 125 °C
220 °C for 2 minutes, 260 °C max.
Liquid Cristal Polymer (LCP), UL 94-V0
Au
Acceptable radial mating offset :
Temperature range
Reflow temperature
Moulding material
Contact surface
Contact zone
:
:
:
:
Note: Measurements with development samples of the straight Mini Coax+
* Reference: short contact
1)
Data of a separate Mini Coax+ mated connector pair including the microvias of pcb
2)
Data of Mini Coax+ connector pair including the whole test board environment
09
.
03
Mini Coax+
Available
on request
Straight modules
Identification
Number of
contacts
6
4
2
SU
1
1
1
loaded
positions
2, 5, 8
2, 8,
8
2,
8, 8
Part number
07 11 100 0027
07 11 900 0032
07 11 900 0031
Mini Coax+ modules,
SMC termination
Dimensions
Row
Connector centre-line
Mini Coax+
Position
Board drillings
Connector centre-line
Position
Row B, D:
position 2, 5, 8
for signal line
09
.
04
Row A, C, E: position 1, 3,
4, 6, 7, 9
for ground-line
Dimensions [mm]
1)
Non-metallised drillings
Mini Coax+
Available
on request
Angled modules
Identification
Number of
contacts
6
4
2
SU
1
1
1
loaded
positions
2, 5, 8
2, 8,
8
2,
8, 8
Part number
07 31 100 0023
07 31 900 0032
07 31 900 0031
Mini Coax+ modules,
SMT / SMC
termination
Dimensions
Connector centre-line
Pcb-surface
Position
(View magnified)
Board drillings
Row
Row B, D:
position 2, 5, 8
for signal line
Row A, C, E: position 1, 3, 4, 6, 7, 9
for ground-line
1)
Position
card edge
2)
3)
Non-metallised drillings
Solder pad for signal-line
Solder pad for ground-line
Solder pad for fixing anchor
Dimensions [mm]
4)
09
.
05
Mini Coax+
Talking
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