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Operating Characteristic Curve
Outline drawing
Nominal voltage
U(N)
V
3.7
7
No load speed
N(0)
rpm
52500
55000
No load current
I(0)
mA
500
380
Nominal speed
N(N)
32200
31500
Nominal torque
T(N)
mN.m
1.5
1.6
Nominal current
I(N)
A
3.5
1.8
Stall torque
T(S)
3.3
4
Stall current
I(S)
3.6
Max. efficiency
η
%
50
58
Terminal resistance
phase to phase
R(t-h))
Ω
0.51
1.94
Terminal inductance
L(t-h)
mH
0.025
0.031
Torque constant
K(T)
mN.m/A
0.5
0.89
Speed constant
K(n)
rpm/V
14180
7857
Speed/torque gradient
K(▽)
rpm/mN.m
19490
23158
Mechanical time constant
K(m)
ms
Rotor inertia
J
gcm2
0.026