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)
DC Motors, Motors
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