BY PM Stepper Motor 15BY25-558A 15 mm 5 V Permanent Magnet Stepper Motor

Description

• Compact 15 mm diameter 16.5 mm length for tight space applications
• Rated 5 V DC drive voltage with bipolar excitation for precise step control
• Lightweight 9 g construction with stable torque for thermal printers and micro devices
• 2-phase structure ensures smooth, low-noise step-by-step motion
• Designed for high-volume OEM production with environmental compliance

The BY PM Stepper Motor 15BY25-558A is a 15 mm permanent-magnet stepper motor engineered for compact and precise applications such as thermal printers and other miniature automation systems.

Operating at 5 V DC (10%) with a bipolar excitation mode, it delivers stable step-by-step control, low vibration, and long-term reliability. Its small form factor (15 mm 16.5 mm, 9 g) and high efficiency make it ideal for embedded equipment requiring precision and durability.This motor is widely used in printers, office equipment, smart locks, ventilation systems, and smart toys. Built by Maintex IntelliCore, a trusted OEM partner for Fortune 500 companies, ensuring consistent quality and long service life.

View moreWhat’s Included1 BY15 Permanent Magnet Stepper MotorDimensions

Motor Diameter: 15 mm

Body Length: 16.5 mm

Overall Height: 16.1 mm

Weight: 9 g

Specifications

Model Number: 15BY25-558A

Model Type: BY Permanent Magnet Stepper Motor

Drive Voltage: 5 10% V DC

Rated Voltage: 5 V

Phase: 2

Excitation Mode: Bipolar

Step Angle: 18 (typical for 15BY25 series)

Body Length: 16.5 mm

Body Width: 15 mm

Body Height: 16.1 mm

Weight: 9 g

Basic Placement: Horizontal

Operating Temperature Range: 10 C to +50 C

Storage Temperature Range: 30 C to +80 C

Operating Humidity (Non-condensing): 20 90 % RH

Storage Humidity (Non-condensing): 8 90 % RH

Insulation Resistance: 100 M (500 V DC)

Dielectric Strength: 500 V AC / 1 s 3 mA

Insulation Class: F

Step Accuracy: 7 %

Rotation Direction: CW / CCW