Shaftless Vibration Motor 8x3.4mm

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Pololu item #: 1637
Brand: Unspecified
RoHS 3 compliant


This tiny, button-type, vibrating motor shakes with a vibration amplitude of 0.75g and draws approximately 60 mA when 3 V is applied to its leads. The shaftless design keeps this motor small: 8 mm in diameter and 3.4 mm in height.

Pictures

RPM and current vs voltage for the shaftless vibration motors.

Dimension diagram (in mm) for the shaftless vibration motor 8×3.4mm.

Shaftless vibration motor 8×3.4mm with quarter for size reference.

Shaftless vibration motor 8×3.4mm top view.




Overview

This shaftless vibration motor is fully-enclosed with no exposed moving parts. Its small size (8 mm diameter, 3.4 mm height) and shaftless design mean you can mount it on a PCB or even place it in a pocket to add quiet, haptic feedback to your project. The motor has a 3M adhesive backing on it for easy mounting and 1.5" leads for making quick connections. Polarity is not important; the motor can run CW or CCW.

We offer this vibration motor in three different sizes:

All three of these motors have the same vibrational amplitude (0.75g), but the 10×3.4mm version has more mass than the other two, which results in a slightly greater vibrational force.

Specifications

Size 8 mm diameter, 3.4 mm height
Weight 0.8 g
Recommended operating voltage 2.5 – 3.5 V
Vibration amplitude at 3 V 0.75g
Speed at 3 V 14500 RPM (12000 RPM min)
Free-run current at 3 V 60 mA (80 mA max)
Startup current at 3 V 120 mA max
Motor resistance 29 ± 6 Ω
Operating temperature -10°C to +60°C
Storage temperature -30°C to +70°C

Dimensions (in mm)

Dimensions

Size: 8.0 x 3.4 mm
Weight: 0.8 g

General specifications

No-load speed @ 3V: 14500 rpm1
No-load current @ 3V: 60 mA2
Voltage: 3 V3
Vibration amplitude: 0.75 g

Notes:

1
12000 RPM minimum at 3 V.
2
80 mA maximum at 3 V.
3
Recommended operating range is 2.5 to 3.5 V.

Frequently-asked questions

No FAQs available.

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