3M
™
Mini D Ribbon (MDR) Connectors
.050” Boardmount Compliant Pin Vertical Receptacle - Shielded
Contact
Quantity
20
36
40
68
80
Dimension
A
.450 [ 11.43 ]
.850 [ 21.59 ]
.950 [ 24.13 ]
1.650 [ 41.91 ]
1.950 [ 49.53 ]
B
.931 [ 23.64 ]
1.481 [ 37.61 ]
1.581 [ 40.15 ]
2.281 [ 57.93 ]
2.581 [ 65.55 ]
2x0.112
[ 2.86 ]
.2
[ 5.0 ]
102 Series
Position 3
Position 1
Position 2
Recommended Board Layout Viewed from Connector Side
20, 36, 40, 68 and 80 position
B
±
.004
Hole size: See note
A
2x0.20
[ 5.0 ]
2X
∅
.118
±
.003
[ 3.0 ]
(See Note*)
.075 Typ
[ 1.90 ]
.050 Typ
[ 1.27 ]
2x0.20
[ 5.0 ]
*Note: Plated-through mounting holes
Last Position
Position
2x0.16
[ 4.0 ]
Contact
Quantity
14
20
26
36
40
50
68
80
Dimension
C
.78 [ 20.0 ]
.94 [ 23.9 ]
1.09 [ 27.6 ]
1.33 [ 33.9 ]
1.44 [ 36.5 ]
1.69 [ 42.8 ]
2.13 [ 54.2 ]
2.44 [ 61.9 ]
D
.93 [ 23.64 ]
1.08 [ 27.45 ]
1.23 [ 31.26 ]
1.48 [ 37.61 ]
1.58 [ 40.15 ]
1.83 [ 46.50 ]
2.28 [ 57.93 ]
2.58 [ 65.55 ]
R .060
[ 1.52 ]
C ± .004
D ± .004
.340 ± .004
[ 8.64 ]
Recommended Panel Cut-Out
Note: Panel thickness .079 [ 2.00 ] Max.
Notes:
14, 26, 50 pos only
2x0.112
[ 2.86 ]
.20
[ 5.00 ]
B
±
.004
Hole size: See Notes
Position 3
Position 1
Position 2
1. Listed below are the PCB hole sizes and tolerances recommended for
use with the 3M MDR Compliant Pin Vertical Receptacle. The insertion
force is designed not to exceed 147N (33lbs) per pin
Recommended Hole Size in Millimeters:
For Copper plus Pre-Flux Coated PBC Holes
Option 1
a. Drilled Dia. 0.85 +0/-0.020 mm
b. Finished Dia. 0.68 to 0.79 mm
Option 2
c. Cu Plating 0.025 mm minimum
a. Drilled Dia 0.80 +0.025/-0.020 mm
b. Finished Dia 0.68 to 0.78 mm
c. Cu Plating 0.025 mm minimum
For Copper and Solder Plated PCB Holes
Option 1
a. Drilled Dia. 0.85 +0.03/-0.03 mm
b. Finished Dia. 0.65 to 0.81 mm
c. Tin Lead Plating 0.015 mm maximum
a. Drilled Dia0.80 +0.02/-0.02mm
b. Finished Dia0.68 to 0.81mm
c. Cu Plating0.015mm minimum
2. Board thickness: .095 ± .010 to .125 ± .010
3. Assembly Tooling:
(See Ordering Information)
A
2x0.20
[ 5.0 ]
2X
∅
.118
±
.003
[ 3.0 ]
(See Note*)
.075 Typ
[ 1.90 ]
.050 Typ
[ 1.27 ]
Last Position
2x0.20
[ 5.0 ]
2x0.16
[ 4.0 ]
Position
Option 2
Contact
Quantity
14
26
50
*Note: Plated-through mounting holes
A
.300 [ 7.62 ]
.600 [ 15.24 ]
1.200 [ 30.48 ]
B
.931 [ 23.64 ]
1.231 [ 31.26 ]
1.831 [ 46.50 ]
TS-0961-C
Sheet 3 of 3
3
Electronic Solutions Division
Interconnect Solutions
http://www.3M.com/interconnects/
3M is a trademark of 3M Company.
For technical, sales or ordering information call
800-225-5373
3M [ 3M ELECTRONICS ]
