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08GS61

08GS61 Brush DC Motor
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08GS61 Brush DC Coreless Motor

08GS61

With a design combining high power density and precious metal commutation, the 08GS61 can deliver a torque greater than 0.4 mNm continuously in a very compact package.

Product Highlights

  • Ironless construction
  • Neodymium magnet for high performance
  • High power density package
  • Precious metal commutation
  • Compact design

Customization Available

  • Custom shafts - flats, knurling, diameter, length
  • Shaft attachments
  • Sleeve or ball bearings
  • Threaded or plain front faces

Applications

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Part Number 08GS61-105C.3 08GS61-105.3 08GS61-107.3
Motor Diameter (in) 0.315 0.315 0.315
Motor Diameter (mm) 8 8 8
Shaft Play - Axial (in) 0.004 0.004 0.004
Shaft Play - Axial (mm) 0.1 0.1 0.1
Shaft Play - Radial (in) 0.0006 0.0006 0.0006
Shaft Play - Radial (mm) <0.015 <0.015 <0.015
Back EMF Constant (V/1000 rpm) 0.53 0.41 0.28
Continuous Current, Max (A) 0.13 0.17 0.25
Continuous Torque, Max (mNm) 0.66 0.64 0.64
Continuous Torque, Max (oz-in) 0.09 0.09 0.09
Mechanical Time Constant (ms) 5.3 5.9 5.5
Motor Regulation (10³/Nms) 1760 1950 1820
No-Load Current, Typical (mA) 3 4 6
No-Load Speed (rpm) 11000 10670 7000
Nominal Voltage (V) 6 4.5 2
Rotor Inertia (gcm²) 0.03 0.03 0.03
Rotor Inertia (oz-in-sec² 10ˉ⁶) 0.425 0.425 0.425
Torque Constant (mNm/A) 5.1 3.92 2.63
Torque Constant (oz-in/A) 0.72 0.56 0.37
Weight (g) 4 4 4
Weight (oz) 0.13 0.13 0.13
Ambient Operating Temperature, Max: Rotor (°C) 100 100 100
Ambient Operating Temperature, Max: Rotor (°F) 212 212 212
Ambient Operating Temperature Range: Motor (°C) -30 to 85 -30 to 85 -30 to 85
Ambient Operating Temperature Range: Motor (°F) -22 to 185 -22 to 185 -22 to 185
Continuous Speed, Max (rpm) 10000 10000 10000
Efficiency (%) 72 70 65
Friction Torque (mNm) 0.02 0.02 0.02
Friction Torque (oz-in) 0.003 0.003 0.003
Output Power (W) 0.5 0.5 0.5
Rotor Inductance (mH) 0.2 0.11 0.06
Shaft Load, Max - Axial (2 mm. from bearing) (N) 30 30 30
Shaft Load, Max - Axial (2 mm. from bearing) (oz) 107.9 107.9 107.9
Shaft Load, Max - Radial (2 mm. from bearing) (N) 0.5 0.5 0.5
Shaft Load, Max - Radial (2 mm. from bearing) (oz) 1.8 1.8 1.8
Stall Torque at Nominal Voltage (mNm) 0.64 0.59 0.42
Stall Torque at Nominal Voltage (oz-in) 0.09 0.08 0.06
Terminal Resistance (Ohm) 45.8 30 12.6
Thermal Resistance (rotor/body) (°C/W) 20 / 100 20 / 100 20 / 100
Thermal Time Constant (rotor/stator) (s) 5 / 100 5 / 100 5 / 100
Document Document Type Language File Type
08GS61 Specification Page Specification Page
08GS61 3D drawing 3D Drawing
08GS61 drawing 2D Drawing
Portescap MotionCompass: Guide to Interactive Motor Selection (brochure) Brochure