The 20M020D1U is a 20 mm diameter can stack stepper motor designed for low-power positioning applications. It features a unipolar winding configuration with a rated voltage of 5 VDC, a phase resistance of 20.0 ohms, and a rated current of 0.25 A per phase. The motor delivers a minimum holding torque of 7.8 mNm (1.11 oz-in) and has a step angle of 18.0 degrees, providing 20 steps per revolution. Rotor inertia is 0.41 gcm², and it operates within an ambient temperature range of -20 to +70 °C. The bearing type is sintered bronze sleeve, with a maximum coil temperature of 130 °C. Weight is 23.5 g, and leadwires are AWG 28 UL 1429. The part is RoHS compliant.
20M020D Can Stack Stepper Mini Motor
20M020D
The 20M020D provides up to 1.55 oz-in (10.95 mNm) of holding torque in a 20 mm frame size. The neodymium magnets provide high power density for applications that need moderate torque in a small package. It is available in 5 or 12 volt windings, and in unipolar or bipolar designs.
Product Highlights
Applications
Unipolar Stepper Motor Permanent Magnet Frame Size 20 Step 100mA 5VDC
| Portescap | DigiKey | |
|---|---|---|
| Product Category | Stepper Motors (rotary) | Stepper Motors (rotary) |
| Product Number | 20M020D1U | 403-1001-ND |
| Product Name | 20M020D Can Stack Stepper Mini Motor | Stepper Motors |
| DC Voltage Range | 5.0 VDC | 5.0 VDC |
| Current per Phase | 0.2500 amps | |
| Holding Torque | 1 In-oz (1 N-cm) | 1 In-oz (1 N-cm) |
| Step Angle | 18.00 degrees | 18.00 degrees |
