The HD-EMC1203-LW20-R is a compact coin-style ERM vibration motor designed for 3.0 VDC operation. With 20 mm lead wires for easy integration and a rated speed of 12,000 ± 2,500 RPM, it delivers crisp, reliable haptic feedback for wearables, handheld instruments, medical devices, and compact IoT products. Quiet operation (≤50 dBA) and robust environmental testing make it a dependable choice for volume designs.

Key Features

  • 3.0 VDC rated input; starts at 2.4 VDC

  • 12,000 ± 2,500 RPM rotational speed

  • 20 mm lead wires for fast, flexible wiring

  • CW/CCW rotation compatible

  • Low acoustic profile, ≤50 dBA

  • RoHS/REACH compliant; lightweight 1.3 g

Specifications

  • Operating Voltage: 2.5 – 3.5 VDC

  • Rated Current: 85 mA

  • Starting Current (max @3.0 VDC): 140 mA

  • Terminal Resistance: Single-phase 26 ± 10% Ω; Double-phase 50 ± 10% Ω

  • Storage Temp: −30 to +75 °C

  • Operating Temp: −20 to +60 °C

  • Weight: 1.3 g

  • Direction: CW/CCW

Reliability & Compliance (Summary)

  • High Temp: +85 °C for 168 h

  • Low Temp: −40 °C for 168 h

  • Humidity: 50 °C @ 95% RH for 120 h

  • Thermal Shock: −30 ↔ +75 °C, 2 h cycles × 10

  • Vibration: 10–55 Hz, 2.2 G, 100 g jig; 10 min per X/Y/Z

  • Drop: 1.5 m, 100 g mass, 6 sides (1× each)

  • Load Life: 57,600 cycles @ rated V (0.5 s on / 0.5 s off)

  • Environmental: RoHS/REACH

Applications

  • Wearables & fitness devices

  • Handheld consumer & medical equipment

  • Portable controllers & HMI

  • Compact IoT/embedded systems

Unit of Measure

Height

N/A 3.4 mm

Width

N/A 12 mm

Length

N/A 12 mm

Operating Temperature

N/A -20 ~ +60 ºC

Device Type

N/A ERM

Terminal / Mounting

N/A Lead Wires

Rated Voltage

N/A 3 V

Voltage Minimum

N/A 2.5

Terminal Resistance

N/A 26 Ω

Current Draw

N/A 85 mA

Rated Speed

N/A 12000 rpm

Voltage Maximum

N/A 3.5

Tolerance (±)

N/A 10 %

Weight

N/A 1.3 g