AS5306_11 Datasheet, PDF (1/6 Pages) ams AG – Magnetic Multipole Strip MS12-250 Pole Length 1.2mm, 250 Poles

AS5306
Magnetic Multipole Strip MS12-250
Pole Length 1.2mm, 250 Poles
Magnet Specification
1 General
This specification defines the dimensional and magnetic properties of a multipole magnetic strip for use with the
AS5306 magnetic linear motion and off-axis rotary angle encoder.
Material: Strontium ferrite bonded
2 Dimensional Specification
Parameter
Strip Length
Strip Width
Strip Thickness
Thermal Expansion
Symbol Min Typ Max Unit
Note
L
300±2
mm Active length = 300
W
10±0.2
mm Active width = 10mm
1.3±0.
1mm rubber bonded magnet on
T
mm
15
0.3mm stainless steel strip
17
x10^-6/K Mechanical length expansion
Density
3.5
1.43
3.65
4.64
3.8
7.85
g/cm^{3 magnetic rubber}
stainless steel
Delivery
Single cut pieces without adhesive, rolls of 25m, 50m (up to 100m max.)
3 Magnet Specification
Parameter
Symbol Min Typ Max Unit
Note
Pole Length
Lp
Pole Length Deviation
Amplitude Variation
Number of Poles
1.20
1
250
Results in pole pair length of 2,40mm
mm _{(250 poles @ 1.2mm)}
% of Measured at Bz=0, all poles within
1.5
2*Lp active area
±10 % of Bpk All poles within active area
poles ^{Excluding poles with L<LP at the ends}
of the strip
Resolution
Res
15
µm AS5306 @ incremental output
Magnetic Field Amplitude
@ 0.4mm Distance
Bpk
Magnetic Field Temperature
Drift
TkBr
-0.2
Vertical component of the magnetic
mT field strength in the center of the strip
at 25°C
%/K
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Revision 0.1
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