3973
DUAL DMOS FULL-BRIDGE
MICROSTEPPING PWM MOTOR DRIVER
24
0.280
0.240
A3973SB
Dimensions in Inches
(controlling dimesnions)
NOTE 1
13
0.014
0.008
0.430
MAX
0.300
BSC
0.210
MAX
1
6
0.070
0.045
7
1.280
1.230
12
0.100
0.005
BSC
MIN
0.015
MIN
0.022
0.014
24
0.150
0.115
Dimensions in Millimeters
(for reference only)
NOTE 1
13
7.11
6.10
Dwg. MA-001-25A in
0.355
0.204
10.92
MAX
7.62
BSC
5.33
MAX
1
6
1.77
1.15
7
32.51
31.24
12
2.54
0.13
BSC
MIN
0.39
MIN
3.81
2.93
0.558
0.356
NOTES:1. Webbed lead frame. Leads 6, 7, 18, and 19 are internally one piece.
2. Lead spacing tolerance is non-cumulative.
3. Exact body and lead configuration at vendor’s option within limits shown.
4. Supplied in standard sticks/tubes of 15 devices.
Dwg. MA-001-25A mm
www.allegromicro.com
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