08GS61 Brushed DC Motor
Portescap
Brushed DC Motor
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.
Downloads
| Winding | unit | 08GS61-107.3 | 08GS61-105.3 | 08GS61-105C.3 |
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| Diameter | in |
0.31 |
0.31 |
0.31 |
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| Diameter | mm |
8 |
8 |
8 |
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| Nominal Voltage | Volt |
2.0 |
4.5 |
6.0 |
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| Optimization (rpm) | |
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| No-Load Speed | rpm |
7,000 |
10,670 |
11,000 |
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| Type | |
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| Resolution (line counts) | |
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| Supply Voltage (V) | |
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| Supply Current - typical (mA) | |
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| Supply Current - maxium (mA) | |
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| Supply Current - stand-by (μA) | |
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| Rise time (ns) | |
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| Fall time (ns) | |
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| No-Load Current | mA |
6.0 |
4.0 |
3.0 |
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| Max continuous mechanical power (@ 25°C) | |
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| Max continuous Current (A) | |
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| Max Continuous Torque (mNm) | |
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| Max Continuous Torque (oz-in) | |
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| Terminal Resistance | Ω |
12.6 |
30.0 |
45.8 |
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| Output Power | W |
0.5 |
0.5 |
0.5 |
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| Stall Torque | oz-in |
0.06 |
0.08 |
0.10 |
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| Stall Torque | mNm |
0.42 |
0.59 |
0.64 |
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| Efficiency | % |
65 |
70 |
72 |
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| Speeds up to | rpm |
12,000 |
12,000 |
12,000 |
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| Torque up to | oz-in |
0.10 |
0.09 |
0.09 |
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| Torque up to | mNm |
0.64 |
0.64 |
0.66 |
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| Current up to (thermal limits) | Amp |
0.25 |
0.17 |
0.13 |
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| Back-EMF Constant | mV/rpm |
0.28 |
0.41 |
0.53 |
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| Torque Constant | mNm/A |
2.6 |
3.9 |
5.1 |
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| Torque Constant | oz-in/A |
0.37 |
0.56 |
0.72 |
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| Motor Regulation | 10³/Nms |
1,820 |
1,950 |
1,760 |
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| Motor regulation k/R½ | mNm/W |
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| Motor regulation k/R½ (oz-in/W) | |
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| Internal resistance - phase to phase (W) | |
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| Line to Line resistance at connectors (Ω) | |
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| Inductance - phase to phase (mH) | |
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| Friction Torque | oz-in |
0.003 |
0.003 |
0.003 |
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| Friction Torque | mNm |
0.02 |
0.02 |
0.02 |
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| Rotor Inductance | µH |
58 |
110 |
200 |
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| Mechanical Time Constant | ms |
5.5 |
5.9 |
5.3 |
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| Rotor Inertia | gcm² |
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| Rotor Inertia | gcm² |
0.029 |
0.030 |
0.029 |
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| Thermal Resistance | C/W |
20/100 |
20/100 |
20/100 |
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| Thermal Time Constant | C/W |
5/100 |
5/100 |
5/100 |
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| Absolute accuracy 2 ph. On, Full step mode (degree) | |
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| Ambient working temperature range (C) | |
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| Ambient working temperature range (F) | |
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| Bearing Type | |
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| Detent Torque, Max (mNm) | |
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| Detent Torque, Max (oz-in) | |
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| Dielectric Withstanding Voltage (VAC) | |
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| Holding Torque, MIN (mNm) | |
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| Holding Torque, MIN (oz-in) | |
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| Inductance per Phase, typ (mH) | |
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| Insulation Resistance at 500 VDC (Mohms) | |
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| Leadwire | |
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| Maximum Coil Temperature (C) | |
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| Maximum Coil Temperature (F) | |
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| Operating Voltage (VDC) | |
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| Rated Current per Phase (A) | |
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| Resistance per Phase, ± 10% (Ohms) | |
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| Rotor Inertia (oz-in-sec²10-6) | |
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| Step Angle (degree) | |
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| Electrical time constant (ms) | |
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| Max motor speed (rpm) | |
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| Ambient storage temperature range (C) | |
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| Ambient storage temperature range (F) | |
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| Ball bearings preload (N) | |
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| Axial static force without shaft support (N) | |
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| Max winding temperature (C) | |
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| Max Winding Temperature (C) | |
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| Max Winding Temperature (F) | |
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| Max winding temperature (F) | |
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| Hall Sensor Elecrical Phasing (degree) | |
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| Typical Housing Material | |
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| Continuous Stall Current (A) | |
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| Peak Torque for 1s (mNm) | |
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| Peak Torque for 1s (oz-in) | |
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| Peak Current (A) | |
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| Max Axial Shaft Load (N) | |
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| Max Axial Shaft Load (oz) | |
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| Max Radial Shaft Load (N) | |
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| Max Radial Shaft Load (oz) | |
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| Shaft Load Max Axial (lb) | |
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| Shaft Load Max Axial (N) | |
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| Shaft Load Max Radial (lb) | |
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| Shaft Load Max Radial (N) | |
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| Length (in) | |
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| Length (mm) | |
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| Steps per Revolution | |
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| Back EMF Amplitude (V/ksteps/s) | |
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| Nominal Phase Current (1 ph. On) (A) | |
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| Nominal Phase Current (2 ph. On) (A) | |
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| Angular Acceleration (nominal current) | |
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| Axial Shaft Play (µm) | |
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| Holding Torque Typical (mNm) | |
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| Holding Torque Typical (oz-in) | |
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| Holding Torque, 1.5x nominal current (mNm) | |
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| Holding Torque, 1.5x nominal current (oz-in) | |
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| Natural Resonance Frequency @nominal current (Hz) | |
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| Power rate (nominal current) (kW/s) | |
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| Radial Shaft Play (µm) | |
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| Max. Force* @ .001" (0.0254 mm) / Step (N) | |
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| Max. Force* @ .001" (0.0254 mm) / Step (oz) | |
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| Max. Force* @ .002" (0.0508 mm) / Step (N) | |
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| Max. Force* @ .002" (0.0508 mm) / Step (oz) | |
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| Max. Force* @ .004"(0.1016 mm) / Step (N) | |
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| Max. Force* @ .004"(0.1016 mm) / Step (oz) | |
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| Max. Travel @ 0.001" (0.0254 mm) / Step (N) | |
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| Max. Travel @ 0.001" (0.0254 mm) / Step (oz) | |
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| Max. Travel @ 0.002" (0.0508 mm) / Step (N) | |
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| Max. Travel @ 0.002" (0.0508 mm) / Step (oz) | |
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| Max. Travel @ 0.004" (0.1016 mm) / Step (N) | |
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| Max. Travel @ 0.004" (0.1016 mm) / Step (oz) | |
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| Min. Holding Force @ 0.001" (0.0254 mm) / Step (Un-energised) (N) | |
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| Min. Holding Force @ 0.001" (0.0254 mm) / Step (Un-energised) (oz) | |
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| Min. Holding Force @ 0.002" (0.0508 mm) / Step (Un-energised) (N) | |
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| Min. Holding Force @ 0.002" (0.0508 mm) / Step (Un-energised) (oz) | |
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| Min. Holding Force @ 0.004" (0.1016 mm) / Step (Un-energised) (N) | |
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| Min. Holding Force @ 0.004" (0.1016 mm) / Step (Un-energised) (oz) | |
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| Output signal | |
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| Direction of rotation ( = / ≠) | |
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| Max. Recommended Input Speed (rpm) | |
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| Number of gear stages | |
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| Electrical phase shift (degree) | |
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| Duty cycle (%) | |
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| Maximum count frequency (kHz) | |
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| Maximum speed @ 512 ppr (10-7 x kgm²) | |
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| Operating Temperature Range: Motor | °C |
-30C to 85C |
-30C to 85C |
-30C to 85C |
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| Operating Temperature Range: Motor | °F |
-22F to 185F |
-22F to 185F |
-22F to 185F |
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| Operating Temperature Range: Rotor | °C |
100C |
100C |
100C |
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| Operating Temperature Range: Rotor | °F |
212F |
212F |
212F |
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| Code wheel moment of inertia (10-7 x kgm²) | |
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| Weight | oz |
0.13 |
0.13 |
0.13 |
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| Weight | g |
3.8 |
3.8 |
3.8 |
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