MA730 データシートの表示（PDF） - Monolithic Power Systems
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MA730 Datasheet PDF : 11 Pages
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EVKT-KNOB – ROTARY KNOB KIT FOR THE MAGALPHA
The EVMA nominal magnet sensor distance is 1.5mm, providing a magnetic field of 75mT. With the
spacers, the field strength is reduced to 50mT or 25mT (see Table 7).
Table 7: Setting of the Air Gap
Spacer Thickness (mm)
None
0.7
2
Air Gap (mm)
1.5
2.2
3.5
Magnetic Field (mT)
75
50
25
Figure 15: Air Gap Setting
MAGNET SUPPLIERS
The table below shows a non-exhaustive list of possible magnet suppliers. The magnetization direction
must be chosen wisely given the fact that most magnets sold are often axially magnetized, which is not
a magnetization direction usually required in magnetic angle sensing applications. Angle sensing
applications usually use diametrically magnetized magnets.
Company
Maurer Magnetics AG
Arnold Technologies AG
Bomatec AG
Dexter Magnetic Technologies
JPMF
Binicmagnet
China Rare Earth Magnet
Goudsmit Magnetic Systems
dd
Table 8: Magnet Suppliers
Website
Address
www.maurermagnetic.ch
www.arnoldmagnetics.com
Industriestrasse 8
8627 Grüningen
Switzerland
Hübelacherstrasse 15
5242 Birr-Lupfig
Switzerland
www.bomatec.com
www.dextermag.com
Hofstrasse 1
8181 Höri
Switzerland
1050 Morse Avenue
Elk Grove Village, IL 60007-5110
USA
www.jpmf.com.cn
8 LongWan Road
Jiangmen City
GuangDong Province
China
www.binicmagnet.com
www.permanentmagnet.com
Unit 612 Yuanzhong Building
No. 1905 Hongmei Road
Shanghai
P. R. China 200233
Room 705, Tower A Century Holiday Plaza
9030 Shennan Rd
Nanshan District
Shenzhen
China
www.goudsmit-magnetics.nl
Petunialaan 19
5582 HA Waalre
Netherland
EVKT-KNOB
www.MonolithicPower.com
10
12/10/2018
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