DC motor 8ZWWC25

brushless12 Vslotless

The 8mm Slotless Brushless DC Motor, model 8ZWWC25, is designed for high efficiency and performance. It features a rated power of 3.25W and a peak torque of 3.49mN.m. - Motor part number: 8ZWWC25 - Pole pairs: 1 - Phase-to-phase resistance: 6.1 Ω - Phase-to-phase inductance: 0.085 mH - Winding connection method: Delta connection - Insulation class: B - Duty type: S2 - Insulation strength (Withstand voltage): 300VAC/1KHz/1mA/1s - Insulation resistance: 100MΩ/300VDC - Weight: 7.3 g - Rated voltage: 12 V - Rated power: 3.25 W - Rated torque: 0.8 mN·m - Rated speed: 38200 RPM - Rated current: 0.45 A - No load speed: 48000 RPM - No load current: 0.056 A - Motor efficiency: 60% - Noise (Ambient noise 20dB, test distance 1m): ＜50 dB - Thermal Resistance (No-load): 12.52 K/W - Ambient temperature: 22.3 ℃ - Max winding temperature: 63 ℃ - Torque constant: 1.77 mN·m/A - Back-EMF constant - peak value: 0.26 V/Krpm - Back-EMF constant - effective value: 0.19 V/Krpm - Peak torque: 3.49 mN·m - Peak current: 2 A - Inertia moment: 0.016 g·cm² - Mechanical time constant: 3.11 ms - End bell: Stainless steel - Bearing: Deep groove ball bearing - Magnet: Sinter NdFeB - Rotation shaft: Carbon steel Precision Planetary Gearbox Options: - Stage 1: Gear ratio 4, Max. backlash 1.8°, Max. continuous output power 0.84 W, Max. peak output power 1.05 W, Max. continuous input speed 14000 rpm, Max. peak input speed 20000 rpm, Max. continuous torque 0.01 N.m, Max. peak torque 0.015 N.m, Max. efficiency 90%, Weight 2.6 g, Gearbox length L 5.5 mm - Stage 2: Gear ratio 16, Max. backlash 2.0°, Max. continuous output power 0.52 W, Max. peak output power 0.65 W, Max. continuous input speed 14000 rpm, Max. peak input speed 20000 rpm, Max. continuous torque 0.02 N.m, Max. peak torque 0.03 N.m, Max. efficiency 81%, Weight 3.2 g, Gearbox length L 8.1 mm - Stage 3: Gear ratio 64, Max. backlash 2.2°, Max. continuous output power 0.4 W, Max. peak output power 0.5 W, Max. continuous input speed 14000 rpm, Max. peak input speed 20000 rpm, Max. continuous torque 0.06 N.m, Max. peak torque 0.09 N.m, Max. efficiency 72%, Weight 3.8 g, Gearbox length L 10.7 mm