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L8.520N7M

    8520 Coreless DC Motor

    Diameter：8.5mm  Length : 20mm  Voltage：3V 、5V 、7V; Max. Output Power ：2.58W  Speed：20000-30300rpm

    • Applications

      Mini UAV, remote control hobby products, small household appliances, etc.

    • Options

       Lead wires length、Shaft length、Special coils、Gearheads

    • Unit Price

      Price upon request

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Characteristics
  unit 11-240-3.0 01-300-7.0 02-200-5.0
Voltage V 3.0 7.0 5.0
Terminal resistance Ω 0.83 2.3 2.9
No-load speed rpm 23650 30300 20000
No-load current mA 90 70 70
Stall torque mNm 4.2 6.4 3.8
Stall current mA 3610 3040 1720
Load torque mNm 0.5 1.0 1.0
Load speed rpm 20810 25570 14710
Load current mA 510 530 510
Max. output power W 2.58 5.1 2.0
Max. efficiency % 71.1 72 64
Back-EMF constant mV/rpm 0.12 1.2 0.2
Torque constant mNm/A 1.18 2.2 2.3
Speed/torque gradient rpm/mNm 5681 4730 5290
Rotor inertia gcm2 0.07 0.8 0.8
Weight g 4.87 5 4.9
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szcxd@constarmotor.com
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