Products for USB Sensing and Control
3315_0 - 140g-cm Unipolar Stepper
Quantity Price
1$5.00
5$4.80
10$4.65
25$4.50
100$4.35
In Stock
Qty: 143
ROHS

Product Features


This affordable unipolar stepper has a 7.5° step angle and 50 g·cm of torque at low speeds.
Product Description

This is a good compromise between the 3314 and the 3316.



Motor Controller and Connection

The 3315 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, 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 NumberPM25L-048-15
Step Angle7 12°
Step Accuracy7 %
Holding Torque140 g·cm
Rated Torque50 g·cm
Maximum Speed at Rated Voltage240 RPM

Electrical Properties

Rated Voltage12 V DC
Rated Current100 mA
Coil Resistance120 Ω
Phase Inductance31 mH

Physical Properties

Shaft Diameter2 mm
Weight31 g
Number of Leads6
Wire Length300 mm


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