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Brush DC High Efficiency Electric Motor

16N28 - Brush DC High Efficiency Electric Motor

16N28

With a cost efficient design featuring alnico magnet, this motor can deliver a torque up to 3 mNm, reaching up to 70% efficiency while maintaining a long lifetime.

Motor Highlights

  • Ironless construction
  • Alnico magnet
  • Precious metal commutation
  • Long brush lifetime
  • Compact design
  • Winding possibilities
  • REE windings to reduce electro erosion

Customization Available

  • Shaft lengths
  • Special coils
  • Cables and connectors
  • Ball bearings
  • Fixation holes
  • B16 gearbox short version
  • EMI filter in motor end caps

Applications

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Specification + Detail
Resources
Metric English 
Winding{%|%}unit 16N28-111P.201 16N28-207P.201 16N28-210E.201 16N28-208E.201 16N28-209E.201 16N28-207E.201 16N28-106.201 16N28-205E.201
Diameter{%|%}in 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63
Diameter{%|%}mm 16 16 16 16 16 16 16 16
Nominal Voltage{%|%}V 3.0 4.8 7.5 9.0 9.0 12.0 16.0 18.0
Optimization{%|%}rpm
No-Load Speed{%|%}rpm 9,460 7,980 9,690 8,810 9,690 10,800 10,180 9,640
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 28.0 11.9 13.3 8.4 8.4 7.7 6.3 4.9
Max continuous mechanical power{%|%}@ 25°C
Max continuous Current{%|%}A
Max Continuous Torque{%|%}mNm
Max Continuous Torque{%|%}oz-in
Terminal Resistance{%|%}Ω 2.4 10.0 14.6 28.0 20.6 40.5 68.5 109.0
Output Power{%|%}W 1.5 1.4 1.5 1.4 1.5 1.3 1.4 1.3
Stall Torque{%|%}oz-in 0.52 0.38 0.52 0.44 0.54 0.44 0.48 0.41
Stall Torque{%|%}mNm 3.70 2.70 3.70 3.10 3.80 3.10 3.40 2.90
Efficiency{%|%}% 72 71 70 70 74 70 70 69
Speeds up to{%|%}rpm 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000
Torque up to{%|%}oz-in 0.41 0.38 0.41 0.38 0.41 0.34 0.38 0.35
Torque up to{%|%}mNm 2.90 2.70 2.90 2.70 2.90 2.40 2.70 2.50
Current up to, thermal limits{%|%}Amp 1.01 0.49 0.41 0.29 0.34 0.24 0.19 0.15
Back-EMF Constant{%|%}V/1000 rpm 0.31 0.59 0.75 0.99 0.91 1.08 1.53 1.81
Torque Constant{%|%}mNm/A 3.0 5.6 7.2 9.5 8.7 10.3 14.6 17.3
Torque Constant{%|%}oz-in/A 0.42 0.79 1.02 1.35 1.23 1.46 2.07 2.45
Motor Regulation R/k²{%|%}10³/Nms 270 320 280 310 270 380 320 360
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 0.011 0.009 0.014 0.011 0.010 0.011 0.013 0.011
Friction Torque{%|%}mNm 0.08 0.07 0.10 0.08 0.07 0.08 0.09 0.08
Rotor Inductance{%|%}µH 75 280 500 800 700 900 2,000 3,100
Mechanical Time Constant{%|%}ms 19.4 16.3 21.6 19.5 14.9 19.4 17.0 19.8
Rotor Inertia{%|%}gcm²
Rotor Inertia{%|%}gcm² 0.720 0.510 0.770 0.630 0.550 0.510 0.530 0.550
Thermal Resistance{%|%}C/W 7/35 7/35 7/35 7/35 7/35 7/35 7/35 7/35
Thermal Time Constant{%|%}C/W 6/380 5/380 6/380 5/380 5/380 5/380 5/380 5/380
Weight{%|%}oz 0.85 0.85 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 24.0 24.0
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, 1 Phase ON (A)
Resistance per Phase, ± 10% (Ohms)
Rotor Inertia (oz-in-sec²10{%SUP%}-6{%/SUP%})
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)
Stroke Length, Typ{%|%}mm
Stroke Length, Typ{%|%}in
Min. Holding Force (Unenergized) @ .0005" (0.0127 mm) / Step{%|%}N
Min. Holding Force (Unenergized) @ .0005" (0.0127 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 (Unenergized) @ 0.003" (0.0762 mm) / Step (Un-energized){%|%}N
Min. Holding Force (Unenergized) @ 0.003" (0.0762 mm) / Step (Un-energized){%|%}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)
Min. Holding Force @ rated current @ .0005" (0.0127 mm) / Step{%|%}N
Min. Holding Force @ rated current @ .0005" (0.0127 mm) / Step{%|%}oz
Min. Holding Force @ rated current @ .001" (0.0254 mm) / Step{%|%}N
Min. Holding Force @ rated current @ .001" (0.0254 mm) / Step{%|%}oz
Min. Holding Force @ rated current @ .002" (0.058 mm) / Step{%|%}N
Min. Holding Force @ rated current @ .002" (0.058 mm) / Step{%|%}oz
Min. Holding Force @ rated current @ .003" (0.0762 mm) / Step{%|%}N
Min. Holding Force @ rated current @ .003" (0.0762 mm) / Step{%|%}oz
Min. Holding Force @ rated current @ .004" (0.1016 mm) / Step{%|%}N
Min. Holding Force @ rated current @ .004" (0.1016 mm) / Step{%|%}oz
Output signal{%|%}MHz
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{%SUP%}-7{%/SUP%} x kgm²
Maximum speed @ 1024 ppr{%|%}10{%SUP%}-7{%/SUP%} x kgm²
Operating Temperature Range: Rotor{%|%}°C 100C 100C 100C 100C 100C 100C 100C 100C
Operating Temperature Range: Motor{%|%}°C -30C to 85C -30C to 85C -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 -22F to 185F -22F to 185F
Operating Temperature Range: Rotor{%|%}°F 212F 212F 212F 212F 212F 212F 212F 212F
Code wheel moment of inertia{%|%}10{%SUP%}-7{%/SUP%} x kgm²
Linear Travel Accuracy
Input Power (W)
Input Power (W)
Stepper Type
Document Technology Document Type Language File Type
16N28 drawing Brush DC DXF Drawing  
16N28 Specification Sheet Brush DC Specification Page  
16n28_207e_201 3D drawing Brush DC 3D  
16n28_210e_201 3D drawing Brush DC 3D  
Miniature Motors for Automated Solutions (brochure) Literature  
Portescap MotionCompass: Guide to Interactive Motor Selection (brochure) Literature