Catalog 1308638
Revised 8-05
Dimensions are in inches and
millimeters unless otherwise
specified. Values in brackets
are metric equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-5-729-0425
South America: 55-11-3611-1514
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-141-810-8967
www.tycoelectronics.com
Circular Connectors
68
MARC 53 Series Connectors
(Continued)
Polarizing Key Positions
All of our multi-pin plugs
and receptacles are avail-
able in alternate polarizing
positions as listed below:
Shell Size 9
Part No.
(R) MD53-***9-***-N
(R) MD53-***9-***-1
(R) MD53-***9-***-2
(R) MD53-***9-***-3
(R) MD53-***9-***-4
(R) MD53-***9-***-5
X°
130 110
130 150
90 110
210 110
130
90 230
Y°
35
Shell Size 12
Part No.
(R) MD53-***12-***-N 130 110
(R) MD53-***12-***-1 130
(R) MD53-***12-***-2 130 145
(R) MD53-***12-***-3 105 110
(R) MD53-***12-***-4 155 110
(R) MD53-***12-***-5
(R) MD53-***12-***-6 190 110
(R) MD53-***12-***-7 130 170
(R) MD53-***12-***-8 215 110
(R) MD53-***12-***-9
(R) MD53-***12-***-10 130
X°
Y°
90
80 110
80 230
30
Shell Size 15
Part No.
(R) MD53-***15-***-N 130 110
(R) MD53-***15-***-1 130
(R) MD53-***15-***-2 130 150
(R) MD53-***15-***-3 130 170
(R) MD53-***15-***-4 190 110
(R) MD53-***15-***-5 150 110
(R) MD53-***15-***-6
(R) MD53-***15-***-7
(R) MD53-***15-***-8
(R) MD53-***15-***-9
(R) MD53-***15-***-10 210 110
(R) MD53-***15-***-11
(R) MD53-***15-***-12 250
(R) MD53-***15-***-13 130
(R) MD53-***15-***-14
X°
Y°
90
90 110
70 110
70 230
90 230
30 110
30
30
30 230
Shell Size 18
A°
60
70
55
50
75
80
50
70
70
35
75
PartNo.
B°
130
130
130
130
125
150
90
120
130
90
140
C°
185
205
210
190
190
205
175
175
205
130
210
D°
250
270
250
235
250
250
250
250
260
215
250
E°
325
320
310
305
320
300
315
295
325
285
310
(R) MD53-***18-***-N
(R) MD53-***18-***-1
(R) MD53-***18-***-2
(R) MD53-***18-***-3
(R) MD53-***18-***-4
(R) MD53-***18-***-5
(R) MD53-***18-***-6
(R) MD53-***18-***-7
(R) MD53-***18-***-8
(R) MD53-***18-***-9
(R) MD53-***18-***-10
Y
X
(1)
E
A
B
D
C
(1)
E
A
B
D
C
(1)
Y
X
(1)
Plug
(Shell sizes 9, 12, 15 only)
Receptacle
(Shell sizes 9, 12, 15 only)
Plug
(Shell size 18 only)
Receptacle
(Shell size 18 only)
(1)
Arrow ( ) indicates top or vertical position (master key/keyway) and coincides with top or vertical position of insert
shown on page 59. This relationship remains constant with alternate polarizing key positions.
(R) Rear insertable and removable.