Stepper Motor: Bipolar, 200 Steps/Rev, 35×28mm, 10V, 0.5 A/Phase
In stock, ships same business day if ordered before 2PM
Fastest delivery: Tomorrow*
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and eParcel Express is chosen during checkout. On rare occasions, orders may be delayed by up to
one business day due to AusPost pickup timings or for order verifications.
Quantity Discounts:
- 10-25 $32.45 (exc GST)
- 25+ $31.78 (exc GST)
This hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 500 mA at 10 V, allowing for a holding torque of 1 kg-cm (14 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. It can be controlled by a pair of suitable H-bridges (one for each coil), but Pololu recommend using a bipolar stepper motor driver or one of Pololu's 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 Pololu's free configuration utility.
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Bipolar stepper motor wires are terminated with bare leads. |
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Bipolar stepper motor wiring diagram. |
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Pololu's 5 mm universal mounting hub can be used to mount objects on the stepper motor’s 5 mm-diameter output shaft, and Pololu's NEMA 14 aluminum bracket offers a variety of options for mounting this stepper motor in your project.
Specifications
- Size: 35 mm square × 28 mm, not including the shaft (NEMA 14)
- Weight: 140 g (5 oz)
- Shaft diameter: 5 mm “D”
- Steps per revolution: 200
- Current rating: 500 mA per coil
- Voltage rating: 10 V
- Resistance: 20 O per coil
- Holding torque: 1 kg-cm (14 oz-in)
- Inductance: 13.5 mH per coil
- Lead length: 30 cm (12")
- Output shaft supported by two ball bearings
More specifications are available in the datasheet (185k pdf).
Dimensions
The following diagram shows the stepper motor dimensions in mm. The dimension labeled “length” is 28 mm. The output D-shaft has a length of 21 mm and a 5 mm diameter with a section that is flattened by 0.5 mm. This shaft works with Pololu's 5 mm universal mounting hub.
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The inside of a bipolar stepper motor (SOYO NEMA 14-size). |
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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
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Pololu’s assortment of stepper motors. |
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Note: This stepper motor is SOYO part number SY35ST28-0504A.
People often buy this product together with:
 | A4988 Stepper Motor Driver Carrier |
 | Pololu Universal Aluminum Mounting Hub for 5mm Shaft, #4-40 Holes (2-Pack) |
 | Pololu Stamped Aluminum L-Bracket for NEMA 14 Stepper Motors |
Dimensions
| Size: | 35 mm square × 28 mm1 |
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| NEMA size: | 14 |
| Weight: | 140 g |
| Shaft diameter: | 5 mm |
General specifications
| Shaft type: | 5 mm "D" |
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| Current rating: | 500 mA2 |
| Voltage rating: | 10 V |
| Holding torque: | 14 oz·in |
| Steps per revolution: | 200 |
| Resistance: | 20 Ohm2 |
| Inductance per phase: | 13.5 mH |
| Number of leads: | 4 |
| Lead length: | 30 cm |
Notes:
File downloads
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We deliver Australia-wide with these options (depends on the final destination - you can get a quote on the view cart page):
- $3+ for Stamped Mail (typically 10+ business days, not tracked, only available on selected small items)
- $7+ for Standard Post (typically 6+ business days, tracked)
- $11+ for Express Post (typically 2+ business days, tracked)
- Pickup - Free! Only available to customers who live in the Newcastle region (must order online and only pickup after we email to notify you the order is ready). Orders placed after 2PM may not be ready until the following business day.
Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.
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International Orders - the following rates are for New Zealand and will vary for other countries:
- $12+ for Pack and Track (3+ days, tracked)
- $16+ for Express International (2-5 days, tracked)
If you order lots of gear, the postage amount will increase based on the weight of your order.
Our physical address (here's a PDF which includes other key business details):
Unit 18, 132 Garden Grove Parade
Adamstown
NSW, 2289
Australia
Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.
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