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Activation Distances for MS-105 Reed SensorsOperate and release distances for the MS-105 reed sensor in the two standard AT bands when actuated (as shown in the sketches) with NdFeB standard magnets is shown below. All distances given are in mm with tolerances of ±0.5mm. Distances given will vary if the reed sensor leads are cropped after soldering. Although some of the AT band / magnet combinations will produce similar actuating distances, selecting the right AT band and magnet for an application is important and can be done by going through our AT band FAQ and our magnet selection guide.
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Actuation Sketch |
Magnet |
Dimensions |
Operate Distance |
Release Distance |
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4.0 x 1.5 x 1.5 |
1.5 - 2.5 |
2.5 - 3.5 |
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Ø2.0 x 4.0 |
2.0 - 3.5 |
3.0 - 4.5 |
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6.0 x 2.5 x 2.5 |
6.5 - 8.0 |
7.5 - 8.5 |
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Ø3.0 x 7.0 |
8.0 - 9.5 |
8.5 - 10.0 |
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8.0 x 3.0 x 3.0 |
8.0 - 11.0 |
10.0 - 12.5 |
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Ø4.0 x 10.0 |
9.5 - 13.0 |
11.5 - 14.5 |
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19.0 x 4.0 x 4.0 |
15.5 - 19.5 |
17.0 - 22.0 |
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Ø8.0 x 15.0 |
24.5 - 30.0 |
27.0 - 33.0 |
MS-105-2 (15-20 AT)|
Actuation Sketch |
Magnet |
Dimensions |
Operate Distance |
Release Distance |
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4.0 x 1.5 x 1.5 |
1.5 - 2.0 |
2.5 - 3.0 |
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Ø2.0 x 4.0 |
2.0 - 3.0 |
3.0 - 3.5 |
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6.0 x 2.5 x 2.5 |
6.0 - 6.5 |
7.0 - 7.5 |
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Ø3.0 x 7.0 |
7.0 - 8.0 |
8.5 - 9.0 |
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8.0 x 3.0 x 3.0 |
8.0 - 9.0 |
9.5 - 10.0 |
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Ø4.0 x 10.0 |
9.0 - 10.5 |
11.0 - 11.5 |
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19.0 x 4.0 x 4.0 |
14.5 - 15.5 |
17.0 - 19.0 |
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Ø8.0 x 15.0 |
22.5 - 25.0 |
27.0 - 29.0 |
MS-105-3 (20-25 AT)|
Actuation Sketch |
Magnet |
Dimensions |
Operate Distance |
Release Distance |
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4.0 x 1.5 x 1.5 |
1.0 - 1.5 |
2.0 - 2.5 |
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Ø2.0 x 4.0 |
1.5 - 2.5 |
2.5 - 3.5 |
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6.0 x 2.5 x 2.5 |
5.0 - 6.0 |
6.5 - 7.0 |
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Ø3.0 x 7.0 |
6.0 - 6.5 |
7.5 - 8.5 |
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8.0 x 3.0 x 3.0 |
7.0 - 8.0 |
9.0 - 10.0 |
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Ø4.0 x 10.0 |
8.0 - 9.0 |
10.5 - 11.5 |
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19.0 x 4.0 x 4.0 |
12.5 - 14.5 |
16.0 - 18.0 |
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Ø8.0 x 15.0 |
20.5 - 23.0 |
25.0 - 27.5 |
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Ultra Miniature |
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Reed Relays and Electronics India Limited, 2008
