D-SUBMINIATURE RECTANGULAR
GASKETS
Subminiature-D style gaskets are
used to provide EMI shielding and
environmental sealing between
connector flanges and their mating
surfaces. Parker Chomerics offers
these gaskets in a complement of shell
sizes from 9 to 50 pin and in a range of
CHO-SEAL materials. Table 1 includes
dimensions and tolerances.
Conductive Elastomer
D-Subminiature EMI Gaskets
ORDERING PROCEDURE
Table 1 provides general tolerances for D-Subminiature EMI
seals. Select the part number from Table 1.
Contact Information:
Parker Hannifin Corporation
Chomerics Division
77 Dragon Court
Woburn, MA 01801
phone 781 935 4850
fax 781 933 4318
chomailbox@parker.com
www.chomerics.com
www.parker.com/chomerics
Table 1: D-Subminiature Gaskets
D-SUBMINIATURE GASKETS
Dimension Tolerances
inches (mm)
Shell Size inches (mm)
9 PIN 15 PIN 25 PIN 37 PIN 50 PIN
“A” Overall Length ±0.015 (0.38) 1.213 (30.81) 1.556 (39.52) 2.087 (53.01) 2.729 (69.32) 2.635 (66.93)
“B” Overall Width ±0.015 (0.38) 0.594 (15.09) 0.600 (15.24) 0.594 (15.09) 0.594 (15.09) 0.605 (15.37)
“C” Hole to Hole ±0.010 (0.25) 0.984 (25.0) 1.312 (33.32) 1.852 (47.04) 2.500 (63.50) 2.406 (61.11)
“D” Hole Diameter ±0.010 (0.25) 0.120 (3.05) 0.130 (3.30) 0.120 (3.05) 0.120 (3.05) 0.120 (3.05)
“E” Major Cutout Length ±0.015 (0.38) 0.697 (17.70) 1.080 (27.43) 1.583 (40.21) 2.231 (56.67) 2.109 (53.57)
“F” Cutout Width ±0.010 (0.25) 0.360 (9.14) 0.370 (9.40) 0.378 (9.60) 0.378 (9.60) 0.466 (11.84)
Cutout Angle Typical 10° 10° 10° 10° 10°
Chomerics Part Number* 30-TT-A779-XXXXX 30-TT-A959-XXXXX 30-TT-A780-XXXXX 30-TT-A781-XXXXX 30-TT-LF19-XXXXX
* Replace “TT” with “01” [0.032 ±0.005 in. (0.81 ±0.127 mm) thick]; or “06” [0.062 ±0.007 in. (1.57 ±0.178 mm) thick].
-XXXXX designates material (1215, 1285, etc). Refer to Chomerics Conductive Elastomer EMI Gaskets Molded and Extruded Materials Selector Guide for details.
"E" Ctr
"C" Ctr
"F" Ctr
10
0
2 Places
.050 R
4 PLS.
.100 R
4 PLS.
DIA. "D"
2 PLS.
"B"
"A"
D-Subminiature EMI Seals - Product Information
CHOMERICS is a registered trademark of Parker Hannin Corporation. ® 2010
www.chomerics.com
www.parker.com/chomerics
TB 1074 EN April 2012