Products for USB Sensing and Control
3316_0 - 50g-cm Unipolar Stepper
Quantity Price
1$5.50
5$5.30
10$5.15
25$4.95
100$4.80
In Stock
Qty: 114
ROHS

Product Features


This high speed unipolar stepper has an 18° step angle and 30 g·cm of torque at low speeds.
Product Description

This motor is good for turning small knobs, buttons, etc.



Motor Controller and Connection

The 3316 stepper motor connects to:

The following table shows how to connect the motor wires to the board connectors to produce a clockwise rotation in the stepper motor when increasing position. To wire for counter-clockwise rotation when increasing position, reverse the black and white wires.


Wire Color Orange Red Yellow Black White Brown
Board Connector + A B C D +

To connect the motor to the 1063 or 1067 simply leave out the Orange and Brown wires.

Note: Make sure to unplug the power cord from the controller board before switching wires around.



Product Specifications

Motor Properties

Motor TypeUnipolar Stepper
Manufacturer Part NumberPM20L-20-14
Step Angle18°
Step Accuracy7 %
Holding Torque50 g·cm
Rated Torque30 g·cm
Maximum Speed at Rated Voltage575 RPM

Electrical Properties

Rated Voltage12 V DC
Rated Current80 mA
Coil Resistance135 Ω
Phase Inductance32 mH

Physical Properties

Shaft Diameter1.5 mm
Weight24 g
Number of Leads6
Wire Length300 mm


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