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Productcategory: Brushless DC-Servomotors
Productfamily: FAULHABER BX4
Nominal voltage: UN 18 V
Terminal resistance: R 2.01 Ω
Efficiency motor, max.: ηmax 78 %
No-load speed up to: n0 5500 min⁻¹
No-load current: I0 0.117 A
Rated torque up to: MN 43 mNm
Stall torque up to: MH 280 mNm
Friction torque, static: C0 1.3 mNm
Friction torque, dynamic: CV 4.1 ·10⁻⁴ mNm/min⁻¹
Speed constant: kn 304 min⁻¹/V
Back-EMF constant: kE 3.285 mV/min⁻¹
Torque constant: kM 31.4 mNm/A
Current constant: kI 0.032 A/mNm
Slope of n-M curve: 19.5 min⁻¹/mNm
Rotor inductance: L 132 µH
Mechanical time constant: Tm 6.1 ms
Rotor inertia: J 30 gcm²
Angular acceleration: αmax. 93.2 ·10³rad/s²
Thermal resistance Rth1: Rth1 2.3 K/W
Thermal resistance Rth2: Rth2 11.6 K/W
Thermal time constant (winding): τw1 13 s
Thermal time constant (housing): τw2 880 s
Housing material: stainless steel
Operating temperature, min.: -40 °C
Operating temperature, max.: 100 °C
Winding temperature, max.: 125 °C
Mass: 179 g
Speed up to: nmax. 17000 min⁻¹
Serie 3242 ... BX4

Application note

AN 162 - Analog Hall Sensors
AN 163 - Digital Hall Sensors
AN 183 - Equivalent DC-current in FAULHABER SC and MC
AN 190 - Selection of a third-party motor driver
AN 200 - SIN-COS interface and temperature sensor