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Ultra EC Slotless Brushless DC Motor

22ECS45 ULTRA EC - Ultra EC Slotless Brushless DC Motor

22ECS45 ULTRA EC

Part of our ULTRA EC series, the 22ECS45 brushless DC slotless motor features a new patented magnetic design. The 22ECS45 miniature motor offers long life, excellent speed capability and smooth rotation.

Motor Highlights

  • With hall sensors
  • Slotless
  • 2 poles
  • Compact design
  • Low iron losses at high speed
  • High efficiency
  • New patent pending coil design
  • High power density pacakge
  • 3 phases
  • High speed optimized

Customization Available

  • Shaft lengths
  • Special coils
  • Cables and connectors
  • Magnets / lamination grade
  • Special mounting holes pattern
  • Value addtion mounting
  • Thermal sensor removal

Applications

Specification + Detail
Resources
Metric English 
Winding{%|%}unit 22ECS45 10B 18 .01 22ECS45 10B 24 .01
Diameter{%|%}in 0.90 0.90
Diameter{%|%}mm 22 22
Length{%|%}in 1.77 1.77
Length{%|%}mm 45.00 45.00
Nominal Voltage{%|%}Volt 24.0 24.0
Optimization Speed CCW CCW
No-Load Speed{%|%}rpm 68,500 51,600
Typical No-Load Current{%|%}mA 300 240
Max continuous mechanical power (@ 25°C){%|%}W 120.0 120.0
Max continuous Current{%|%}A 8.2 6.4
Max Continuous Torque{%|%}mNm 26.80 26.70
Max Continuous Torque{%|%}oz-in 3.80 3.78
Terminal Resistance{%|%}Ω
Output Power{%|%}W
Stall Torque{%|%}oz-in
Stall Torque{%|%}mNm
Efficiency{%|%}%
Speeds up to{%|%}rpm
Torque up to{%|%}oz-in
Torque up to{%|%}mNm
Current up to{%|%}thermal limits
Back-EMF Constant{%|%}V/1000 rpm 0.34 0.44
Torque Constant{%|%}mNm/A 3.30 4.20
Torque Constant{%|%}oz-in/A 0.47 0.59
Motor Regulation R/k²{%|%}10³/Nms 8.50 8.50
Motor Constant k/R½{%|%}mNm/W½ 10.8 10.8
Motor constant k/R½{%|%}oz-in/W½ 1.53 1.53
Internal resistance - phase to phase{%|%}Ω 0.09 0.15
Line to Line resistance at connectors{%|%}Ω 0.10 0.18
Inductance - phase to phase{%|%}mH 0.01 0.02
Friction Torque{%|%}onz-in
Friction Torque{%|%}mNm
Rotor Inductance (mH)
Mechanical Time Constant{%|%}ms 1.9 1.9
Electrical time constant{%|%}ms 0.14 0.15
Max motor speed{%|%}rpm 73,000 73,000
Ambient working temperature range{%|%}°C -30 / + 100 -30 / + 100
Ambient working temperature range{%|%}°F -22 / + 212 -22 / + 212
Ambient storage temperature range{%|%}°C -40 / + 100 -40 / + 100
Ambient storage temperature range{%|%}°F -40 / + 212 -40 / + 212
Ball bearings preload{%|%}N 5.5 5.5
Axial static force without shaft support{%|%}N 34 34
Max Winding Temperature (°C)
Max winding temperature{%|%}°C 125 125
Max Winding Temperature{%|%}°F
Max winding temperature{%|%}°F 257 257
Thermal Resistance{%|%}°C/W 2 / 9.7 2 / 9.7
Thermal Time Constant{%|%}°C/W 1000 1000
Operating Temperature Range{%|%}°F
Weight{%|%}oz 3.88 3.88
Weight{%|%}g 100 100
Rotor Inertia{%|%}gcm²
Rotor Inertia{%|%}gcm² 2.3 2.3
Typical Housing Material Stainless steel / aluminium rear flange Stainless steel / aluminium rear flange
Hall Sensor Elecrical Phasing{%|%}electrical ° 120 120
Absolute accuracy 2 ph. On, Full step mode (degree)
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^-6)
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)
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
Number of lines available
Output signal
Supply Current - maxium (mA)
Supply Current - stand-by (μA)
Supply Current - typical (mA)
Supply Voltage (V)
Direction of rotation ( = / ≠)
Max. Recommended Input Speed (rpm)
Number of gear stages
Number of lines available
Type of encoder
Linear Travel Accuracy
Input Power (W)
Stepper Type
Document Technology Document Type Language File Type
22ECS45 Ultra EC Specification Sheet Brushless DC Specification Page  
22ECS45 Ultra EC drawing Brushless DC DXF Drawing  
22ecs45 3D drawing Brushless DC 3D  
22ECS ULTRA EC (brochure) Brushless DC Literature  
22ECS ULTRA EC for Ventilators (brochure) Brushless DC Literature  
Ultra EC Brochure (brochure) Brushless DC Literature  
Miniature Motors for Automated Solutions (brochure) Literature