DC Coreless Motors
Brushed DC Servo Motors

16G88 Brushed DC Motor

Brushed DC Motor

The 16G88 design combines high power density and precious metal commutation, this coreless DC motor can deliver a torque greater than 5 mNm continuously, reaching up to 80% efficiency while maintaining a long lifetime.

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Winding	unit	16G88-220P.1	16G88-214E.1	16G88-213E.1	16G88-211E.1	16G88-210E.1	16G88-205E.1
Diameter	in	0.63	0.63	0.63	0.63	0.63	0.63
Diameter	mm	16	16	16	16	16	16
Nominal Voltage	Volt	3.0	8.0	9.0	12.0	15.0	32.0
Optimization (rpm)
No-Load Speed	rpm	11,025	9,250	7,980	8,690	9,000	8,150
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	45.0	10.0	8.0	6.5	5.5	2.0
Max continuous mechanical power (@ 25°C)
Max continuous Current (A)
Max Continuous Torque (mNm)
Max Continuous Torque (oz-in)
Terminal Resistance	Ω	0.5	5.4	7.6	13.0	19.5	135.0
Output Power	W	4.1	4.2	4.6	4.2	4.2	2.5
Stall Torque	oz-in	2.27	1.71	1.80	1.71	1.73	1.25
Stall Torque	mNm	16.00	12.10	12.70	12.10	12.20	8.80
Efficiency	%	83	84	84	84	84	82
Speeds up to	rpm	12,000	12,000	12,000	12,000	12,000	12,000
Torque up to	oz-in	0.78	0.75	0.82	0.76	0.76	0.68
Torque up to	mNm	5.50	5.30	5.80	5.40	5.40	4.80
Current up to (thermal limits)	Amp	2.20	0.66	0.55	0.42	0.35	0.13
Back-EMF Constant	mV/rpm	0.27	0.86	1.12	1.37	1.65	3.90
Torque Constant	mNm/A	2.6	8.2	10.7	13.1	15.8	37.2
Torque Constant	oz-in/A	0.37	1.16	1.52	1.86	2.24	5.27
Motor Regulation	10³/Nms	75	80	66	76	78	98
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	0.017	0.011	0.013	0.013	0.013	0.009
Friction Torque	mNm	0.12	0.08	0.09	0.09	0.09	0.07
Rotor Inductance	µH	10	120	150	260	400	1,700
Mechanical Time Constant	ms	6.0	6.4	5.3	6.1	5.8	7.8
Rotor Inertia	gcm²
Rotor Inertia	gcm²	0.800	0.800	0.800	0.800	0.740	0.800
Thermal Resistance	C/W	8/35	8/35	8/35	8/35	8/35	8/35
Thermal Time Constant	C/W	6 / 500	6 / 500	6 / 500	6 / 500	6 / 500	6 / 500
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 85C	-30C to 85C	-30C to 85C	-30C to 85C	-30C to 85C	-30C to 85C
Operating Temperature Range: Motor	°F	-22F to 185F	-22F to 185F	-22F to 185F	-22F to 185F	-22F to 185F	-22F to 185F
Operating Temperature Range: Rotor	°C	100C	100C	100C	100C	100C	100C
Operating Temperature Range: Rotor	°F	212F	212F	212F	212F	212F	212F
Code wheel moment of inertia (10^-7 x kgm²)
Weight	oz	0.85	0.85	0.85	0.85	0.85	0.85
Weight	g	24.0	24.0	24.0	24.0	24.0	24.0

16G88 Brushed DC Motor

Brushed DC Motor

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