The 25GST2R82 (short version) offers high power density combined with graphite/copper commutation. This brush DC motor is able to achieve high acceleration and dynamics in a small package size.
Ironless construction
Neodymium magnet for high performance
High power density
Long brush lifetime
Compact design
Winding possibilities
High acceleration
Low self heating
Winding{%|%}unit | 25GST2R82-228E.1 | 25GST2R82-230E.1 | 25GST2R82-216P.1 | 25GST2R82-216E.1 |
---|---|---|---|---|
Diameter{%|%}in | 0.98 | 0.98 | 0.98 | 0.98 |
Diameter{%|%}mm | 25 | 25 | 25 | 25 |
Nominal Voltage{%|%}V | 18.0 | 18.0 | 24.0 | 35.0 |
Optimization{%|%}rpm | ||||
No-Load Speed{%|%}rpm | 11,125 | 11,450 | 10,320 | 7,850 |
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 | 110.0 | 110.0 | 70.0 | 40.0 |
Max continuous mechanical power{%|%}@ 25°C | ||||
Max continuous Current{%|%}A | ||||
Max Continuous Torque{%|%}mNm | ||||
Max Continuous Torque{%|%}oz-in | ||||
Terminal Resistance{%|%}Ω | 1.6 | 1.3 | 3.3 | 12.5 |
Output Power{%|%}W | 23.8 | 26.0 | 24.0 | 23.3 |
Stall Torque{%|%}oz-in | 24.36 | 29.17 | 22.66 | 16.71 |
Stall Torque{%|%}mNm | 172.00 | 206.00 | 160.00 | 118.00 |
Efficiency{%|%}% | 81 | 83 | 81 | 78 |
Speeds up to{%|%}rpm | 10,000 | 10,000 | 10,000 | 10,000 |
Torque up to{%|%}oz-in | 4.25 | 4.67 | 4.25 | 4.25 |
Torque up to{%|%}mNm | 30.00 | 33.00 | 30.00 | 30.00 |
Current up to, thermal limits{%|%}Amp | 2.10 | 2.30 | 1.45 | 0.75 |
Back-EMF Constant{%|%}V/1000 rpm | 1.60 | 1.56 | 2.30 | 4.40 |
Torque Constant{%|%}mNm/A | 15.3 | 14.9 | 22.0 | 42.0 |
Torque Constant{%|%}oz-in/A | 2.17 | 2.11 | 3.12 | 5.95 |
Motor Regulation R/k²{%|%}10³/Nms | 7 | 6 | 7 | 7 |
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 | 0.238 | 0.232 | 0.218 | 0.238 |
Friction Torque{%|%}mNm | 1.68 | 1.64 | 1.54 | 1.68 |
Rotor Inductance{%|%}µH | 100 | 100 | 100 | 800 |
Mechanical Time Constant{%|%}ms | 6.9 | 5.9 | 6.8 | 7.1 |
Rotor Inertia{%|%}gcm² | ||||
Rotor Inertia{%|%}gcm² | 10.000 | 10.000 | 10.000 | 10.000 |
Thermal Resistance{%|%}C/W | 6/13 | 6/13 | 6/13 | 6/13 |
Thermal Time Constant{%|%}C/W | 10/450 | 10/450 | 10/450 | 10/450 |
Weight{%|%}oz | 3.92 | 3.92 | 3.92 | 3.92 |
Weight{%|%}g | 111.0 | 111.0 | 111.0 | 111.0 |
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 |
Operating Temperature Range: Motor{%|%}°C | -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 |
Operating Temperature Range: Rotor{%|%}°F | 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 |
---|---|---|---|---|
25GST2R82 drawing | Brush DC | DXF Drawing | ||
25GST2R82 Specification Sheet | Brush DC | Specification Page | ||
25gst2r_82_216p_1 3D drawing | Brush DC | 3D | ||
Miniature Motors for Automated Solutions (brochure) | Literature | |||
Portescap MotionCompass: Guide to Interactive Motor Selection (brochure) | Literature |