第1个回答 推荐于2016-12-01
三脚是公共端，接正电源，其余四脚用晶体管控制四相八拍
FEATURES]
1. High output torque, and high resolution.
2. Superior running quietness and stability.
3. Step angle : 3.75º.
4. Excellent responsiveness acquired.
[USES]
Printers, multifunction machines, copy machines, FAX, and such.
[SPECIFICATIONS]
Items M42SP-4 M42SP-4NK
Rated Voltage DC 24V
Working Voltage DC 21.6~26.4V
Rated Current/Phase 646mA 400mA (PEAK)
No. of Phase 4 Phase 2 Phase
Coil DC Resistance 40Ω 5.5Ω/phase±10%
Step Angle 3.75º/step
Excitation Method 2-2 Phase excitation
(Unipolar driving) 2-2 Phase excitation
(Bipolar chopping driving)
Insulation Class Class E insulation
Holding Torque 70.6mN·m 44.1mN·m
Pull-out Torque 45.1mN·m/200pps 26.0mN·m/200pps
Pull-in Torque 41.7mN·m/200pps 31.4mN·m/400pps
Max. Pull-out Pulse Rate 1,050pps 3,450pps
Max. Pull-in Pulse Rate 800pps 940pps本回答被提问者采纳