DC Coreless Motors
Brushed DC Servo Motors

22NT82 Athlonix Brushed DC Motor

The 22NT82 design offers high power density combined with graphite/copper commutation to achieve high acceleration and dynamics.

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Winding	unit	22NT82- 319P.1001	22NT82-313. 1001	22NT82-311P.1001	22NT82-216E.1001	22NT82-215E.1001	22NT82-208E.1001
Diameter	in	0.87	0.87	0.87	0.87	0.87	0.87
Diameter	mm	22	22	22	22	22	22
Nominal Voltage	Volt	6.0	9.0	12.0	18.0	24.0	48.0
Optimization (rpm)
No-Load Speed	rpm	8,500	6,700	7,200	8,100	8,900	6,200
Type
Resolution (line counts)
Supply Voltage (V)
Supply Current - typical (mA)
Supply Current - maxium (mA)
Supply Current - stand-by (μA)
Rise time (ns)
Fall time (ns)
No-Load Current	mA	50.0	75.0	60.0	45.0	40.0	15.0
Max continuous mechanical power (@ 25°C)
Max continuous Current (A)
Max Continuous Torque (mNm)
Max Continuous Torque (oz-in)
Terminal Resistance	Ω	0.8	2.7	4.1	7.9	10.7	107.2
Output Power	W	14.0	14.0	14.0	13.0	14.0	12.0
Stall Torque	oz-in	9.35	6.37	6.80	6.94	7.79	4.53
Stall Torque	mNm	66.00	45.00	48.00	49.00	55.00	32.00
Efficiency	%	90	90	88	90	91	91
Speeds up to	rpm	12,000	12,000	12,000	12,000	12,000	12,000
Torque up to	oz-in	2.40	2.40	2.40	2.30	2.40	2.10
Torque up to	mNm	16.80	16.80	17.10	16.30	16.90	14.70
Current up to (thermal limits)	Amp	2.60	1.42	1.15	0.83	0.71	0.22
Back-EMF Constant	mV/rpm	0.69	1.31	1.64	2.18	2.64	7.54
Torque Constant	mNm/A	6.6	12.5	15.7	20.8	25.2	72.0
Torque Constant	oz-in/A	0.93	1.77	2.22	2.95	3.57	10.20
Motor Regulation	10³/Nms	14	16	16	18	17	21
Motor regulation k/R½	mNm/W
Motor regulation k/R½ (oz-in/W)
Internal resistance - phase to phase (W)
Line to Line resistance at connectors (Ω)
Inductance - phase to phase (mH)
Friction Torque	oz-in	0.010	0.035	0.016	0.017	0.017	0.010
Friction Torque	mNm	0.07	0.25	0.11	0.12	0.12	0.07
Rotor Inductance	µH	40	160	250	500	600	7,000
Mechanical Time Constant	ms	6.7	7.0	6.6	8.4	7.8	6.9
Rotor Inertia	gcm²
Rotor Inertia	gcm²	4.900	4.390	4.200	4.740	4.500	3.320
Thermal Resistance	C/W	6/22	6/22	6/22	6/22	6/22	6/22
Thermal Time Constant	C/W	9/550	9/550	9/550	9/550	9/550	9/550
Absolute accuracy 2 ph. On, Full step mode (degree)
Ambient working temperature range (C)
Ambient working temperature range (F)
Bearing Type
Detent Torque, Max (mNm)
Detent Torque, Max (oz-in)
Dielectric Withstanding Voltage (VAC)
Holding Torque, MIN (mNm)
Holding Torque, MIN (oz-in)
Inductance per Phase, typ (mH)
Insulation Resistance at 500 VDC (Mohms)
Leadwire
Maximum Coil Temperature (C)
Maximum Coil Temperature (F)
Operating Voltage (VDC)
Rated Current per Phase (A)
Resistance per Phase, ± 10% (Ohms)
Rotor Inertia (oz-in-sec²10^-6)
Step Angle (degree)
Electrical time constant (ms)
Max motor speed (rpm)
Ambient storage temperature range (C)
Ambient storage temperature range (F)
Ball bearings preload (N)
Axial static force without shaft support (N)
Max winding temperature (C)
Max Winding Temperature (C)
Max Winding Temperature (F)
Max winding temperature (F)
Hall Sensor Elecrical Phasing (degree)
Typical Housing Material
Continuous Stall Current (A)
Peak Torque for 1s (mNm)
Peak Torque for 1s (oz-in)
Peak Current (A)
Max Axial Shaft Load (N)
Max Axial Shaft Load (oz)
Max Radial Shaft Load (N)
Max Radial Shaft Load (oz)
Shaft Load Max Axial (lb)
Shaft Load Max Axial (N)
Shaft Load Max Radial (lb)
Shaft Load Max Radial (N)
Length (in)
Length (mm)
Steps per Revolution
Back EMF Amplitude (V/ksteps/s)
Nominal Phase Current (1 ph. On) (A)
Nominal Phase Current (2 ph. On) (A)
Angular Acceleration (nominal current)
Axial Shaft Play (µm)
Holding Torque Typical (mNm)
Holding Torque Typical (oz-in)
Holding Torque, 1.5x nominal current (mNm)
Holding Torque, 1.5x nominal current (oz-in)
Natural Resonance Frequency @nominal current (Hz)
Power rate (nominal current) (kW/s)
Radial Shaft Play (µm)
Max. Force* @ .001" (0.0254 mm) / Step (N)
Max. Force* @ .001" (0.0254 mm) / Step (oz)
Max. Force* @ .002" (0.0508 mm) / Step (N)
Max. Force* @ .002" (0.0508 mm) / Step (oz)
Max. Force* @ .004"(0.1016 mm) / Step (N)
Max. Force* @ .004"(0.1016 mm) / Step (oz)
Max. Travel @ 0.001" (0.0254 mm) / Step (N)
Max. Travel @ 0.001" (0.0254 mm) / Step (oz)
Max. Travel @ 0.002" (0.0508 mm) / Step (N)
Max. Travel @ 0.002" (0.0508 mm) / Step (oz)
Max. Travel @ 0.004" (0.1016 mm) / Step (N)
Max. Travel @ 0.004" (0.1016 mm) / Step (oz)
Min. Holding Force @ 0.001" (0.0254 mm) / Step (Un-energised) (N)
Min. Holding Force @ 0.001" (0.0254 mm) / Step (Un-energised) (oz)
Min. Holding Force @ 0.002" (0.0508 mm) / Step (Un-energised) (N)
Min. Holding Force @ 0.002" (0.0508 mm) / Step (Un-energised) (oz)
Min. Holding Force @ 0.004" (0.1016 mm) / Step (Un-energised) (N)
Min. Holding Force @ 0.004" (0.1016 mm) / Step (Un-energised) (oz)
Output signal
Direction of rotation ( = / ≠)
Max. Recommended Input Speed (rpm)
Number of gear stages
Electrical phase shift (degree)
Duty cycle (%)
Maximum count frequency (kHz)
Maximum speed @ 512 ppr (10^-7 x kgm²)
Operating Temperature Range: Motor	°C	-30C to 125C	-30C to 125C	-30C to 125C	-30C to 125C	-30C to 125C	-30C to 125C
Operating Temperature Range: Motor	°F	-22F to 257F	-22F to 257F	-22F to 257F	-22F to 257F	-22F to 257F	-22F to 257F
Operating Temperature Range: Rotor	°C	155C	155C	155C	155C	155C	155C
Operating Temperature Range: Rotor	°F	311F	311F	311F	311F	311F	311F
Code wheel moment of inertia (10^-7 x kgm²)
Weight	oz	1.87	1.87	1.87	1.87	1.87	1.87
Weight	g	53.0	53.0	53.0	53.0	53.0	53.0

22NT82 Athlonix Brushed DC Motor

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