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0.157 ± 0.020
(3.99 ± 0.51)
0.146 +0.011, –0.008
(3.71 +0.28, –0.20)
4X 3 mm × 0.5 mm,
0.15 in (3.81 mm)
min full thread
0.000
2.590 (65.79)
0.000
4.010 max (101.85)
2.875 (73.03)
4X 3 mm × 0.5 mm,
0.15 in (3.81 mm)
min full thread
0.079 (2.00)
pin spacing
Pin 1
0.000
0.118 (3.00)
1.375 (34.93)
0.394 ± 0.025
(10.01 ± 0.64)
1.375 (34.93)2.875 (73.03)
0.750 max (19.05)
1.227 ± 0.025
(31.17 ± 0.64)
0.160 (4.06)
2.760 max (70.10)
Pin 20 removed
for keying
0.079 (2.00) pin spacing
Notes:
1. The ST9145A form-factor complies with MCC mounting standards.
2. All dimensional tolerances are ± 0.010 inch (± 0.25 mm) maximum
unless otherwise specified.
Dimensions are in inches (mm)
Figure 3. Mounting dimensions for the ST9145A and
the ST9145AG
ST9235 Family Installation Guide, Rev. B 13