![](http://datasheet.mmic.net.cn/160000/TX1-34S-D2P1-1D_datasheet_10085180/TX1-34S-D2P1-1D_5.png)
Dimensions in mm (inches).
TX1/TX2/TX3 SERIES CONNECTORS
1.27mm (.050") Contact Spacing, PCB-to-Cable Connectors
20.9
(.823)
REF.
3.6 (.142)
REF.
11 (.433) ± 0.25 (.010)
PIN HEADER WITH LATCHING MECHANISM
TX3-ST—Straight Through Hole Type
Note: For short lever type, do not use strain relief
on the mating IDC socket connector.
Part Number
Short Latch Type
With Expansion Post
Standard Latch Type
No. of
Contacts
20
TX3- 20P-D2ST-LH1
TX3- 20P-D2ST-LN1
TX3- 20P-D2ST-SH1
TX3- 20P-D2ST-SN1
11.43 ( .450)
21.59 ( .850)
30.4 (1.197)
26
TX3- 26P-D2ST-LH1
TX3- 26P-D2ST-LN1
TX3- 26P-D2ST-SH1
TX3- 26P-D2ST-SN1
15.24 ( .600)
25.40 ( 1.000)
34.2 (1.346)
30
TX3- 30P-D2ST-LH1
TX3- 30P-D2ST-LN1
TX3- 30P-D2ST-SH1
TX3- 30P-D2ST-SN1
17.78 ( .700)
27.94 ( 1.100)
36.8 (1.449)
34
TX3- 34P-D2ST-LH1
TX3- 34P-D2ST-LN1
TX3- 34P-D2ST-SH1
TX3- 34P-D2ST-SN1
20.32 ( .800)
30.48 ( 1.200)
39.3 (1.547)
40
TX3- 40P-D2ST-LH1
TX3- 40P-D2ST-LN1
TX3- 40P-D2ST-SH1
TX3- 40P-D2ST-SN1
24.13 ( .950)
34.29 ( 1.350)
43.1 (1.697)
50
TX3- 50P-D2ST-LH1
TX3- 50P-D2ST-LN1
TX3- 50P-D2ST-SH1
TX3- 50P-D2ST-SN1
30.48 ( 1.200)
40.64 ( 1.600)
49.5 (1.949)
60
TX3- 60P-D2ST-LH1
TX3- 60P-D2ST-LN1
TX3- 60P-D2ST-SH1
TX3- 60P-D2ST-SN1
36.83 ( 1.450)
46.99 ( 1.850)
55.8 (2.197)
68
TX3- 68P-D2ST-LH1
TX3- 68P-D2ST-LN1
TX3- 68P-D2ST-SH1
TX3- 68P-D2ST-SN1
41.91 ( 1.650)
52.07 ( 2.050)
60.9 (2.398)
80
TX3- 80P-D2ST-LH1
TX3- 80P-D2ST-LN1
TX3- 80P-D2ST-SH1
TX3- 80P-D2ST-SN1
49.53 ( 1.950)
59.69 ( 2.350)
68.5 (2.697)
100
TX3- 100P-D2ST-LH1
TX3- 100P-D2ST-LN1
TX3- 100P-D2ST-SH1
TX3- 100P-D2ST-SN1
62.23 ( 2.450)
72.39 ( 2.850)
81.2 (3.197)
With Expansion Post
Without Expansion Post
AC
D
± 0.4 (± .016)
SHORT LATCH TYPE
D
C ± 0.2 (.008)
A ± 0.15 (.006)
14.6 (.575)
± 0.25 (.010)
2.8
(.110)
±0.25
(.010)
1.27 (.050) ± 0.1 (.004)
(pitch)
5 (.197)
REF.
1.905 (.075)
4.2 (.165)
(See Note 2)
2.4 (.094)
(Note 1)
0.4 (.016) square
23.3
(.917)
REF.
6.6
(.260)
±0.2
(.008)
4.8
(.189)
2.5
(.098)
±0.2
(.008)
4.3
(.169)
STANDARD LATCH TYPE
Note 1: Above figure shows the connector with expansion post. Without-expansion-
post type is also available.
Note 2: For 80 and 100 position connectors, two polarizing keyways are provided. For
other contact arrangements, one polarizing keyway is provided at the center.
Refer to PCB Mounting Hole Dimension Illustration.