Sanyo Pancake Stepper Motor: Bipolar, 200 Steps/Rev, 50×11mm, 4.5V, 1 A/Phase

Sanyo Pancake Stepper Motor: Bipolar, 200 Steps/Rev, 50×11mm, 4.5V, 1 A/Phase
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  • Pololu-2297
Overview This pancake bipolar stepping motor from Sanyo has a 1.8° step angle... more
Product information "Sanyo Pancake Stepper Motor: Bipolar, 200 Steps/Rev, 50×11mm, 4.5V, 1 A/Phase"

Overview

This pancake bipolar stepping motor from Sanyo has a 1.8° step angle (200 steps/revolution). Each phase draws 1 A at 4.5 V, allowing for a holding torque of 1 kg-cm (14 oz-in). The motor has four color-coded wires terminated with bare leads: red and yellow connect to one coil; orange and blue connect to the other. It can be controlled by a pair of suitable H-bridges (one for each coil), but we recommend using a bipolar stepper motor driver.

Our 5 mm universal mounting hub can be used to mount objects on the stepper motor’s 5 mm-diameter output shaft.

Specifications

  • Size: 50 mm square × 11 mm, not including the shaft
  • Weight: 90 g (3.2 oz)
  • Shaft diameter: 5 mm
  • Steps per revolution: 200
  • Current rating: 1 A per coil
  • Voltage rating: 4.5 V
  • Resistance: 4.5 Ω per coil
  • Holding torque: 1 kg-cm (14 oz-in)
  • Inductance: 2 mH per coil
  • Lead length: 30 cm (12″)
  • Output shaft supported by two ball bearings

More specifications are available in the datasheet (352k pdf).

Dimensions

The following diagram shows the stepper motor dimensions in mm. The dimension labeled “L” is 11 mm. Though the dimension diagram below shows output shafts on both sides, this stepper motor only has a single output shaft (on the side with the mounting plate) with a length of 5 mm and a diameter of 5 mm. This shaft works with our 5 mm universal mounting hub.

We also carry a stronger, taller version of this stepper motor where “L” in the above diagram is 16 mm and all other dimensions are the same.

https://a.pololu-files.com/assets/zoom-74912f8b0d07e3addf4b2661a67de90a.png

Bottom view of the 50×11mm Sanyo pancake stepper motor.

Stepper Motor Applications

Stepper motors are generally used in a variety of applications where precise position control is desirable and the cost or complexity of a feedback control system is unwarranted. Here are a few applications where stepper motors are often found:

  • Printers
  • CNC machines
  • 3D printer/prototyping machines (e.g. RepRap)
  • Laser cutters
  • Pick and place machines
  • Linear actuators
  • Hard drives

Sanyo stepper motors; from left to right: 14mm single shaft, 42×18.6mm, 50×11mm, 14mm double shaft

 

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