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Productcategory: DC-Micromotors
Productfamily: FAULHABER SR
Nominal voltage: UN 3 V
Terminal resistance: R 3.1 Ω
Efficiency motor, max.: ηmax 75 %
No-load speed up to: n0 12700 min⁻¹
No-load current: I0 0.0166 A
Rated torque up to: MN 0.94 mNm
Stall torque up to: MH 2.12 mNm
Speed constant: kn 4280 min⁻¹/V
Back-EMF constant: kE 0.234 mV/min⁻¹
Torque constant: kM 2.23 mNm/A
Current constant: kI 0.448 A/mNm
Slope of n-M curve: 5950 min⁻¹/mNm
Rotor inductance: L 42 µH
Mechanical time constant: Tm 8 ms
Rotor inertia: J 0.12 gcm²
Angular acceleration: αmax. 175 ·10³rad/s²
Thermal resistance Rth1: Rth1 21 K/W
Thermal resistance Rth2: Rth2 60 K/W
Thermal resistance (external plastic flange): Rth2 p 51 K/W
Thermal resistance (external metal flange): Rth2 m 9.5 K/W
Thermal time constant (winding): τw1 6.9 s
Thermal time constant (housing): τw2 156.1 s
Thermal time constant (external plastic flange): τw2 p 130 s
Thermal time constant (external metal flange): τw2 m 25 s
Housing material: steel, nickel plated
Operating temperature, min.: -30 °C
Operating temperature, max.: 85 °C
Winding temperature, max.: 85 °C
Mass: 6.5 g
Speed up to: nmax. 16000 min⁻¹