8mm Coreless DC Motor – 20mm Type Model NFP-D8620-3665


(2 customer reviews)

Notice: this motor model need to make new ones that would take extra 1-2weeks.

1+ $8.00
100+ $2.65
1,000+ $1.90

Contact us for a quotation for production quantities, customizations and integration.

8.5 x20mm Coreless Motor Data Sheets

Model NFP-D8620-3665-1-3.4 NFP-D8620-3665-2-3.4 NFP-D8620-3665-3-7.4
Voltage 3.4V 3.4V 7.4V
Terminal resistance 0.4Ω 0.2Ω
No-load-speed 44,000rpm 51,500rpm 46,000rpm
No-load-current <135mA <205mA <140mA
Stall torque 64.6g.cm 89.36g.cm 108.8g.cm
Stall current 9,390mA 15,180mA 7,410mA
Max output power 7.293W 11.807W 12.841W
Max efficiency 73% 73% 72%
Torque constant 7g.cm/A 6g.cm/A 15g.cm/A
Rotor inertia <0.15g.cm² <0.15g.cm² <0.15g.cm²
Weight 5.3g 5.3g 5.3g


8.6mm Micro Coreless Motor Outline Drawing


coreless motor amazon, 8.5 x20mm coreless motor

1.Payment methods : Paypal, T/T

1.Delivery: DHL/FedEx 3-5 days.
2.Item will be shipped within 1-3 business days after the payment.
3.If you haven’t received the item on the Delivery Time, pls contact us by email if you have any questions. Normally, we will give you a reply within 24 hours, if not, pls check the spam of your email box. We will do our best to help you solve the problems.
4.Please make sure your address is matched with the finally shipping address before you pay.

Q: If customized, what information should you provide?
A: You need to provide the basic specification of the motor, such as: Dimensions, Sizes Applications, Voltage, Speed and Torque. It’s better to offer application prototype drawings to us if possible.

Q: What’s your main motors?
A: Diameter 4mm~42mm Dc Micro Motor And Gear Motor, Auto Dc Motor, Electric Motor, Gear Motor, Mini Dc Motor, Brush Dc Motor, Brushless Dc Motor, Spur Gear Motor, Micro Motor, Vibration Motor Etc.

Q: What’s the main application of the micro dc motor?
A: Our mini DC motors are widely used in Home Applications, Office Equipment, Health-Care Application, Sanitation Industry, High-Class Toy, Banking System, Electronic and Electrical Tools, Automation Industry, Bank Equipments, Payment Equipments, Vending Machines, Power Door Lock, Electric Door Lock.

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If you want a custom lead wire connection of the water resistant vibration motors. Such as alternate lead wire length & strip lengths, with a connector (e.g. Molex, JST). You can contact us from the footer form, tell us your need. Any problems will be taken seriously and will be answered professionally, so pls do not hesitate to contact us by the footer form.

2 reviews for 8mm Coreless DC Motor - 20mm Type Model NFP-D8620-3665

  1. Joey Doll

    They are great replacements for my crashed micro drone motors. The leads are long enough to allow for at least one screwup in connection, these coreless motors have a lot of power and rev quickly.

  2. Bill Collins

    Excellent mini coreless 3v dc motor, the wires are firmly connected to the body, and the metal shell is strong, runs smoothly. Just one of samples has a little noise…

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