22S28 Brushed DC Motor
Portescap
Brushed DC Motor
With its Alnico magnet, the 22S28 brush DC motor offers a good price-to-performance ratio for a very small package size. It can provide up to 4 mNm continuously, and operates at up to 80% efficiency with a long life.
Downloads
Winding | unit | 22S28-208E.1 | 22S28-205E.1 |
Diameter | in |
0.87 |
0.87 |
Diameter | mm |
22 |
22 |
Nominal Voltage | Volt |
15.0 |
24.0 |
Optimization (rpm) | |
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No-Load Speed | rpm |
9,600 |
7,940 |
Type | |
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Resolution (line counts) | |
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Supply Voltage (V) | |
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Supply Current - typical (mA) | |
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Supply Current - maxium (mA) | |
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Supply Current - stand-by (μA) | |
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Rise time (ns) | |
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Fall time (ns) | |
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No-Load Current | mA |
6.0 |
2.8 |
Max continuous mechanical power (@ 25°C) | |
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Max continuous Current (A) | |
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Max Continuous Torque (mNm) | |
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Max Continuous Torque (oz-in) | |
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Terminal Resistance | Ω |
35.0 |
140.0 |
Output Power | W |
2.5 |
2.4 |
Stall Torque | oz-in |
0.89 |
0.69 |
Stall Torque | mNm |
6.30 |
4.90 |
Efficiency | % |
78 |
76 |
Speeds up to | rpm |
12,000 |
12,000 |
Torque up to | oz-in |
0.58 |
0.55 |
Torque up to | mNm |
4.10 |
3.90 |
Current up to (thermal limits) | Amp |
0.29 |
0.15 |
Back-EMF Constant | mV/rpm |
1.54 |
2.97 |
Torque Constant | mNm/A |
14.7 |
28.4 |
Torque Constant | oz-in/A |
2.08 |
4.02 |
Motor Regulation | 10³/Nms |
160 |
170 |
Motor regulation k/R½ | mNm/W |
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Motor regulation k/R½ (oz-in/W) | |
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Internal resistance - phase to phase (W) | |
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Line to Line resistance at connectors (Ω) | |
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Inductance - phase to phase (mH) | |
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Friction Torque | oz-in |
0.013 |
0.011 |
Friction Torque | mNm |
0.09 |
0.08 |
Rotor Inductance | µH |
920 |
3,600 |
Mechanical Time Constant | ms |
25.6 |
25.5 |
Rotor Inertia | gcm² |
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Rotor Inertia | gcm² |
1.600 |
1.500 |
Thermal Resistance | C/W |
5/30 |
5/30 |
Thermal Time Constant | C/W |
5/480 |
5/480 |
Absolute accuracy 2 ph. On, Full step mode (degree) | |
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Ambient working temperature range (C) | |
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Ambient working temperature range (F) | |
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Bearing Type | |
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Detent Torque, Max (mNm) | |
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Detent Torque, Max (oz-in) | |
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Dielectric Withstanding Voltage (VAC) | |
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Holding Torque, MIN (mNm) | |
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Holding Torque, MIN (oz-in) | |
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Inductance per Phase, typ (mH) | |
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Insulation Resistance at 500 VDC (Mohms) | |
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Leadwire | |
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Maximum Coil Temperature (C) | |
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Maximum Coil Temperature (F) | |
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Operating Voltage (VDC) | |
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Rated Current per Phase (A) | |
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Resistance per Phase, ± 10% (Ohms) | |
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Rotor Inertia (oz-in-sec²10-6) | |
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Step Angle (degree) | |
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Electrical time constant (ms) | |
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Max motor speed (rpm) | |
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Ambient storage temperature range (C) | |
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Ambient storage temperature range (F) | |
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Ball bearings preload (N) | |
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Axial static force without shaft support (N) | |
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Max winding temperature (C) | |
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Max Winding Temperature (C) | |
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Max Winding Temperature (F) | |
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Max winding temperature (F) | |
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Hall Sensor Elecrical Phasing (degree) | |
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Typical Housing Material | |
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Continuous Stall Current (A) | |
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Peak Torque for 1s (mNm) | |
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Peak Torque for 1s (oz-in) | |
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Peak Current (A) | |
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Max Axial Shaft Load (N) | |
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Max Axial Shaft Load (oz) | |
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Max Radial Shaft Load (N) | |
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Max Radial Shaft Load (oz) | |
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Shaft Load Max Axial (lb) | |
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Shaft Load Max Axial (N) | |
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Shaft Load Max Radial (lb) | |
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Shaft Load Max Radial (N) | |
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Length (in) | |
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Length (mm) | |
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Steps per Revolution | |
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Back EMF Amplitude (V/ksteps/s) | |
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Nominal Phase Current (1 ph. On) (A) | |
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Nominal Phase Current (2 ph. On) (A) | |
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Angular Acceleration (nominal current) | |
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Axial Shaft Play (µm) | |
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Holding Torque Typical (mNm) | |
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Holding Torque Typical (oz-in) | |
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Holding Torque, 1.5x nominal current (mNm) | |
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Holding Torque, 1.5x nominal current (oz-in) | |
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Natural Resonance Frequency @nominal current (Hz) | |
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Power rate (nominal current) (kW/s) | |
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Radial Shaft Play (µm) | |
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Max. Force* @ .001" (0.0254 mm) / Step (N) | |
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Max. Force* @ .001" (0.0254 mm) / Step (oz) | |
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Max. Force* @ .002" (0.0508 mm) / Step (N) | |
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Max. Force* @ .002" (0.0508 mm) / Step (oz) | |
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Max. Force* @ .004"(0.1016 mm) / Step (N) | |
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Max. Force* @ .004"(0.1016 mm) / Step (oz) | |
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Max. Travel @ 0.001" (0.0254 mm) / Step (N) | |
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Max. Travel @ 0.001" (0.0254 mm) / Step (oz) | |
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Max. Travel @ 0.002" (0.0508 mm) / Step (N) | |
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Max. Travel @ 0.002" (0.0508 mm) / Step (oz) | |
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Max. Travel @ 0.004" (0.1016 mm) / Step (N) | |
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Max. Travel @ 0.004" (0.1016 mm) / Step (oz) | |
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Min. Holding Force @ 0.001" (0.0254 mm) / Step (Un-energised) (N) | |
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Min. Holding Force @ 0.001" (0.0254 mm) / Step (Un-energised) (oz) | |
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Min. Holding Force @ 0.002" (0.0508 mm) / Step (Un-energised) (N) | |
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Min. Holding Force @ 0.002" (0.0508 mm) / Step (Un-energised) (oz) | |
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Min. Holding Force @ 0.004" (0.1016 mm) / Step (Un-energised) (N) | |
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Min. Holding Force @ 0.004" (0.1016 mm) / Step (Un-energised) (oz) | |
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Output signal | |
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Direction of rotation ( = / ≠) | |
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Max. Recommended Input Speed (rpm) | |
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Number of gear stages | |
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Electrical phase shift (degree) | |
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Duty cycle (%) | |
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Maximum count frequency (kHz) | |
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Maximum speed @ 512 ppr (10-7 x kgm²) | |
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Operating Temperature Range: Motor | °C |
-30C to 85C |
-30C to 85C |
Operating Temperature Range: Motor | °F |
-22F to 185F |
-22F to 185F |
Operating Temperature Range: Rotor | °C |
100C |
100C |
Operating Temperature Range: Rotor | °F |
212F |
212F |
Code wheel moment of inertia (10-7 x kgm²) | |
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Weight | oz |
1.73 |
1.73 |
Weight | g |
49.0 |
49.0 |