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This small hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 280 mA at 7.4 V, allowing for a holding torque of 650 g-cm (9 oz-in). The motor has four color-coded wires terminated with bare leads: black and green connect to one coil; red and blue connect to the other. These leads connect to the stepper motor through a removable JST-ZHR-5 connector.
The motor can be controlled by a pair of suitable H-bridges (one for each coil), but we recommend using a bipolar stepper motor driver or one of our Tic Stepper Motor Controllers. In particular, the Tics make control easy because they support six different interfaces (USB, TTL serial, I²C, RC, analog voltages, and quadrature encoder) and are configurable over USB with our free configuration utility.
- Size: 35 mm square × 26 mm, not including the shaft (NEMA 14)
- Weight: 130 g (4.5 oz)
- Shaft diameter: 5 mm “D”
- Steps per revolution: 200
- Current rating: 280 mA per coil
- Voltage rating: 7.4 V
- Resistance: 26 Ω per coil
- Holding torque: 650 g-cm (9 oz-in)
- Inductance: 19.2 mH per coil
- Lead length: 30 cm (12″)
- Output shaft supported by two ball bearings
General specifications
- Shaft type: 5 mm "D"
- Current rating: 280 mA, Per coil.
- Voltage rating: 7.4 V
- Holding torque: 9 oz·in
- Steps per revolution: 200
- Resistance: 26 Ohm, Per coil.
- Inductance per phase: 19.2 mH
- Number of leads: 4
- Lead length: 30 cm
- NEMA size: 14
Technical documents / Downloads
1Pololu Corporation, Pilot Rd. 920, 89119 Las Vegas, Nevada, Vereinigte Staaten, [email protected], https://www.pololu.com/