Minimum operating voltage    8 V
Maximum operating voltage    35 V
Continuous current per phase    1 A
Maximum current per phase    2 A
Minimum logic voltage    3 V
Maximum logic voltage    5.5 V
Microstep resolution    full, 1/2, 1/4, 1/8 and 1/16
Reverse voltage protection?    No
Dimensions    15.5 × 20.5 mm (0.6″ × 0.8″)