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MLS08A05-180050P04000N-A000-RS1
Rotating Screw
Rotating Screw, NEMA 08, Single stack, 0.500 Amp Ø0.1875 in x 0.050 in lead screw, 4.000 in length, Precision accuracy, A0 front end machining, RSF1800
Min: 0.375 in  Max: 8.0 in  
- A hybrid stepper motor and a precision lead screw together in one compact envelope.
- Higher torque density than the competition.
- Improved efficiency.
- Reduced noise.
Dimension |
Value |
Ls |
101.60 mm (4.00 in) |
Lm |
29.46 mm (1.160 in) |
Ln |
9.53 mm (0.375 in) |
AN |
7.95 mm (0.31 in) |
BN |
9.53 mm (0.38 in) |
DN |
19.05 mm (0.75 in) |
EN |
3.30 mm (0.13 in) |
FN |
3.30 mm (0.13 in) |
IN |
6.35 mm (0.25 in) |
BCDN |
12.70 mm (0.50 in) |
Dimension |
Value |
Ls |
101.60 mm (4.00 in) |
Lm |
29.46 mm (1.160 in) |
Ln |
9.53 mm (0.375 in) |
AN |
7.95 mm (0.31 in) |
BN |
9.53 mm (0.38 in) |
DN |
19.05 mm (0.75 in) |
EN |
3.30 mm (0.13 in) |
FN |
3.30 mm (0.13 in) |
IN |
6.35 mm (0.25 in) |
BCDN |
12.70 mm (0.50 in) |
Specification |
Value |
Motor Frame Size |
NEMA 08 |
Motor Stack Size |
Single |
Motor Body Length |
29 mm / 1.16 in |
Motor Current Rating |
0.50 amps |
Recommended Drive Current |
0.71 amps |
Connector Type |
JST S6B-ZR(LF)(SN) |
Holding Torque |
0.01 N·m / 1.84 ozf·in |
Step Angle |
1.8° |
Voltage Per Phase |
4.50 V |
Resistance |
9.00 Ω |
Inductance |
2 mH |
Power Draw |
2.3 W |
Rotor Inertia |
0.04 g/cm² / 0.01 oz/in² |
Dielectric Strength |
500 VAC for 1 minute |
Insulation Resistance |
100 Mohm @ 500 VDC |
Magnet Wire Insulation |
Class B 266 F |
Motor Weight |
0.06 kg / 0.13 lbs |
Axial Preload |
44.48 N / 10.00 lbf |
Lead Screw Part Number |
SPR1820 |
Lead Screw Diameter |
4.76 mm / 0.188 in |
Linear Travel per Revolution |
1.27 mm / 0.050 in |
Linear Travel Per Step |
0.0064 mm / 0.00025 in |
Thread Direction |
RH |
Stroke Length |
101.60 mm / 4.00 in |
Accuracy Grade |
Precision |
Lead Accuracy |
77 µm/300mm / 0.00 in/ft |
Lead Screw Straightness |
129 µm/300mm / 0.005 in/ft |
Lead Screw Material |
300 Series Stainless Steel |
Lead Screw Coating |
No Coating |
Front End Machining |
A0 = No Machining |
Nut Part Number |
RSF1800 |
Nut Mounting Style |
Flange |
Nut Material |
Acetal |
Max Axial Backlash |
0.25 mm / 0.010 in |
Ambient Temperature Max |
50 °C / 122 °F |
Ambient Temperature Min |
-20 °C / -4 °F |
Storage Temperature Max |
50 °C / 122 °F |
Storage Temperature Min |
-20 °C / -4 °F |
Encoder Part Number |
None |
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