408 Hollow Cup Motor

The 408 Hollow Cup Motor is a coreless DC motor known for its high efficiency, low noise, and lightweight design. These motors are often used in applications that require high acceleration and low inertia.

Specifications

• Motor Type: Hollow Cup (Coreless) DC Motor
• Model: 408 (40 mm diameter, 8 mm length)

Electrical Specifications:

• Rated Voltage: 1.5V – 4.5V DC (varies by model)
• Rated Speed:
  • Around 10,000 RPM
• Stall Current: 0.7A (depending on the version and voltage)

Mechanical Specifications:

• Motor Length: 8 mm
• Shaft Diameter: Typically 1.5 mm – 2 mm
• Shaft Length: Varies depending on application, usually around 5-10 mm
• Motor Weight: Lightweight, typically 10-20 grams
• Torque: High torque due to the hollow cup design, but exact values depend on the operating voltage.

Performance:

• Efficiency: High efficiency compared to conventional motors due to the coreless design.
• Response Time: Fast response with low inertia, ideal for quick start/stop applications.
• Noise: Low noise due to the lack of an iron core, making it suitable for noise-sensitive applications.

Applications:

• Precision devices (e.g., medical equipment, robotics)
• High-speed drones
• Micro-actuators
• Hobby electronics
• Small-scale industrial applications