The HD-EMB1305-SC is a spring contact eccentric rotating mass (ERM) vibration motor optimized for 3.0 VDC drive applications. Designed with low current consumption and enclosed in a protective rubber boot, this motor ensures both efficient performance and simplified assembly.

With a rated speed of 13,000 ± 2,500 RPM, this compact haptic actuator is ideal for consumer electronics, medical devices, IoT products, and handheld applications requiring reliable vibration feedback in a small, lightweight package.

Key Features

• 3.0 VDC rated voltage, starts at ≤2.4 VDC

• Low power draw, only 30 mA max at rated voltage

• Spring contacts for simple integration into PCBs and housings

• Rubber boot design for secure mounting and assembly

• High performance: 13,000 ± 2,500 RPM at 3 VDC

• Low acoustic noise ≤50 dBA

• Supports CW/CCW rotation

• Compact and lightweight (0.8 g)

• RoHS/REACH compliant

Specifications

• Operating Voltage Range: 2.2 – 3.6 VDC

• Starting Voltage (max): 2.4 VDC

• Rated Current (max): 30 mA (@ 3 VDC)

• Stall Current (max): 40 mA (@ 3 VDC)

• Terminal Resistance: 93 ± 20% Ω

• Insulation Resistance (min): 1 MΩ

• Shaft End Play: 0.2 ± 0.1 mm

• Mechanical Noise (max): 50 dBA

• Weight: 0.8 g

• Storage Temperature: −40 ~ +80 °C

• Operating Temperature: −30 ~ +70 °C

Reliability & Compliance

• High Temp Test: +60 °C, 96 h

• Low Temp Test: −40 °C, 96 h

• High Humidity Test: +40 °C, 90–95% RH, 96 h

• Heat Shock: 20 cycles, −40 ↔ +80 °C

• Free Drop Test: 1.5 m, 12 total drops with 100 g jig load

• Lifetime Test: 200,000 cycles (@ 3 VDC)

• After testing, motor meets the following:

  • Rated Speed: −30%/+60% of initial

  • Rated Current: ±30% of initial

  • Starting Voltage: ≤2.8 VDC

• Environmental Compliance: RoHS/REACH

Applications

• Wearables & handheld devices with vibration alerts

• Medical electronics needing tactile notification feedback

• IoT products requiring lightweight, low-noise vibration

• Consumer electronics where easy integration is critical