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1221N5M2B

    12mm Micro Coreless DC Motor

    Diameter：12mm  Length ：21mm  Voltage：3.3V 、6V、12V  Max. Output Power ：0.37W  Speed：7900-14100rpm

    • Applications

      Medical equipment and devices, healthcare products, automotive, robotics, and industrial automation

    • Options

       Lead wires length、Shaft length、Special coils、Gearheads

    • Unit Price

      Price upon request

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Characteristics
  unit 26-79-3.3 27-120-6.0 43-141-12.0
Voltage V 3.3

6.0

 12.0
Terminal resistance Ω 6.9 5.2 17.9
No-load speed rpm 7900 12000 14100
No-load current mA 14 30 8
Stall torque mNm 1.8 5.2 5.3
Stall current mA 480 1150 670
Nominal torque mNm 0.4 2.3 2.1
Nominal speed rpm 6370 6700 8530
Nominal current mA 100 520 270
Max. output power W 0.37 1.64 1.96
Max. efficiency % 69 70 79
Back-EMF constant mV/rpm 0.4 0.5 0.8
Torque constant mNm/A 3.9 4.7 8.0
Speed/torque gradient rpm/mNm 4400 2300 2700
Rotor inertia gcm2 0.15 0.15 0.15
Weight g 10 10 10
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Constar Micromotor Co., Ltd.
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0755-27351975
szcxd@constarmotor.com
Room 701, Tower A, Futian Tian’an Hi-Tech Venture Park, Futian District, Shenzhen, China

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