Magnet Specification AS5306 Magnetic Multipole Strip, MS12-15 Pole Length 1.2 mm, 15 poles Magnet Specification AS5306 Table of Contents 1 General ................................................................................................................................ 3 2 Dimensional Specification .................................................................................................... 3 3 Magnetic Input Specification ................................................................................................ 3 4 Magnet Supplier Information ................................................................................................ 5 Copyright ............................................................................................................................................. 6 Disclaimer ............................................................................................................................................ 6 Revision History Revision Date Owner Description 0.2 8 Sept 2014 ekno New design layout www.ams.com page 2/6 Magnet Specification AS5306 1 General This specification defines the dimensional and magnetic properties of a multi pole magnetic strip for use with the AS5306 magnetic linear motion and off-axis rotary angle encoder. Material: rubber bonded Strontium Ferrite SrFe. 2 Dimensional Specification Magnet Order # MS12-15 on ams web shop, refer to Figure 1 Parameter Symb ol Min Typ Max Unit Note Strip Width W 18,44 19,2 19,96 mm 0.567” +/- 0.030” Strip Cut Length S 2,12 2,5 2,88 mm 0.098” +/- 0.015” Strip Thickness T 0,33 0,38 0,38 mm 0.015” +0.00” / – 0.002” Thermal expansion 49 x106/K Mechanical length expansion Density 3,4 g/cm estimated 3 Delivery 7,09” x 0.015” x 200’ Outdoor adhesive, cut thru 0.098”. Minimum 1 rolls (~ 24.500 pieces). 3 Magnetic Input Specification Magnet Order # MS12-15 on ams web shop, refer to Figure 1 Parameter Symb ol Pole length Lp Min Typ Max 1,20 Unit Note mm results in pole pair length of 2,4mm (15 poles @ 1,2mm, 2 border poles ~0,6mm) Pole length deviation +/- 50 Number of poles µm Measured at Bz=0, all poles (Lp) within active region 15 poles Excluding poles with L<LP at the ends of the strip Resolution Res 15 µm With AS5306 Magnetic field amplitude @ 0.5mm distance Bpk 9 mT Vertical component of the magnetic field strength in the center of the strip at 25°C +/-0,9 mT All poles within active region 0,5 mm estimated Amplitude variation Active Region to strip edge www.ams.com A page 3/6 Magnet Specification AS5306 Parameter Symb ol Min Typ Max Unit Note First Bz=0 position to strip edge D1 TBD 0,6 TBD mm Tolerance estimated +/-0,25µm Last Bz=0 position to strip edge D2 TBD 0,6 TBD mm Tolerance estimated +/-0,25µm Temperature range Tamb -18 25 80 °C Temperature drift TkBr %/K Magnetic field temp. drift Bpk Bpk +0,2 1 2 3 4 5 6 7 8 D2 9 10 11 12 13 14 15 S N S N S N S N S A D1 N S N S N S N A S N T Lp W Figure 1 www.ams.com page 4/6 Magnet Specification AS5306 4 Magnet Supplier Information ARNOLD Magnetic Technologies 107 Industry Road Marietta, OH 45750 http://www.arnoldmagnetics.com/sales/index.htm www.ams.com page 5/6 Magnet Specification AS5306 Copyright Copyright © 1997-2014, ams AG, Tobelbader Strasse 30, 8141 Unterpremstaetten, Austria-Europe. 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No obligation or liability to recipient or any third party shall arise or flow out of ams AG rendering of technical or other services. Contact Information Headquarters ams AG Tobelbader Strasse 30 8141 Unterpremstaetten Austria T. +43 (0) 3136 500 0 For Sales Offices, Distributors and Representatives, please visit: http://www.ams.com/contact www.ams.com page 6/6