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Serie 3890 ... CR
Serie 3890 ... CR
Serie 3890 ... CR
Serie 3890 ... CR
Serie 3890 ... CR
Serie 3890 ... CR
DC-Micromotors

3890X036CR

Graphite Commutation

Key data

Nominal voltage:
18 ... 48 V
Rated torque up to:
222 mNm
No-load speed up to:
5540 min⁻¹
Stall torque up to:
2910 mNm
Diameter:
38 mm
Length:
90 mm
More product details
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Available on inquiry

Advantages

  • Best dynamic performance due to a low rotor inertia
  • Shockproof all-steel housing with corrosion-resistant coating
  • Powerful rare-earth magnet
  • Extremely wide operating temperature range -30 °C to 125 °C (optionally -55 °C, winding up to 155 °C)
  • Durable graphite commutation
  • No cogging
  • Highest power density
Productcategory: DC-Micromotors
Productfamily: FAULHABER CR
Nominal voltage: UN 36 V
Terminal resistance: R 0.78 Ω
Efficiency motor, max.: ηmax 87 %
No-load speed up to: n0 5520 min⁻¹
No-load current: I0 0.164 A
Rated torque up to: MN 220 mNm
Stall torque up to: MH 2890 mNm
Speed constant: kn 150 min⁻¹/V
Back-EMF constant: kE 6.665 mV/min⁻¹
Torque constant: kM 63.7 mNm/A
Current constant: kI 0.016 A/mNm
Slope of n-M curve: 1.84 min⁻¹/mNm
Rotor inductance: L 242 µH
Mechanical time constant: Tm 3.3 ms
Rotor inertia: J 171 gcm²
Angular acceleration: αmax. 169 ·10³rad/s²
Thermal resistance Rth1: Rth1 2.1 K/W
Thermal resistance Rth2: Rth2 6.6 K/W
Thermal resistance (external plastic flange): Rth2 p 6 K/W
Thermal resistance (external metal flange): Rth2 m 1.6 K/W
Thermal time constant (winding): τw1 66 s
Thermal time constant (housing): τw2 1427.6 s
Thermal time constant (external plastic flange): τw2 p 1300 s
Thermal time constant (external metal flange): τw2 m 350 s
Housing material: steel, nickel plated
Operating temperature, min.: -30 °C
Operating temperature, max.: 125 °C
Winding temperature, max.: 155 °C
Mass: 550 g
Speed up to: nmax. 6000 min⁻¹