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Operating Characteristic Curve
Outline drawing
Nominal voltage
U(N)
V
5
7.4
No load speed
N(0)
rpm
28100
40900
No load current
I(0)
A
0.04
0.06
Nominal speed
N(N)
24633
34986
Nominal torque
T(N)
mN.m
0.3
0.54
Nominal current
I(N)
0.28
0.35
Stall torque
T(S)
2.5
3.8
Stall current
I(S)
2.02
2.1
Max. efficiency
η
%
73.8
69
Terminal resistance
phase to phase
R(t-h)
Ω
2.47
2.6
Terminal inductance
L(t-h)
mH
0.05
1.1
Torque constant
K(T)
mN.m/A
1.3
1.86
Speed constant
K(n)
rpm/V
5733
5689
Speed/torque gradient
K▽
rpm/mN.m
14810
9695
Mechanical time constant
K(m)
ms
8.1
8.5
Rotor inertia
J
gcm2
0.053
0.055