1 ? kemet electronics corporation ? kemet tower ? one east broward boulevard s e0207_mdcs ? 8/28/2018 fort lauderdale, fl 33301 usa ? 954-766-2800 ? www.kemet.com overview the la12 magnetic direct current sensors (mdcs?) use our proprietary magnetic material and hall element for magnetic detection of both direct current (dc) and alternating current (ac) as well as pulse current. the output voltage varies in proportion to the strength of the current measured. applications typical applications include inverter-based home appliances (air conditioners), general purpose inverters, ac variable- speed drives and servo drives, industrial machinery, upss, and dc motor controls. current sensors la12, magnetic direct current sensor ordering information la12- 10 v21 series rated current ac (a) output voltage (v) la12 10 48 50 60 v21 = 2 benefts ? d etection of dc, ac and pulse currents ? limited fuctuations in output from changes in the power s upply voltage and the ambient temperature ? e xcellent linearity of the measured current and the converted power output ? m easured current and secondary output side are insulated ? c ompact and lightweight ? r ohs compliant one world. one kemet
2 ? kemet electronics corporation ? kemet tower ? one east broward boulevard s e0207_mdcs ? 8/28/2018 fort lauderdale, fl 33301 usa ? 954-766-2800 ? www.kemet.com dimensions in mm l a12-10v21 21 1 1 tokin mdcs 1 a b 2 3 4 2 C 1 1 1 2 2 2 pin number la12 1 nc 2 gnd (ground pin) 3 vcc (+12 v) 4 v out (output voltage pin) a (measured current current sensors ? la12, magnetic direct current sensor
3 ? kemet electronics corporation ? kemet tower ? one east broward boulevard s e0207_mdcs ? 8/28/2018 fort lauderdale, fl 33301 usa ? 954-766-2800 ? www.kemet.com dimensions in mm (cont.) la12-48v21, la12-50v21, & la12-60v21 3.5 0.5 3.5 0.5 21.0 19.6 18.0 tokin mdcs 1 a b 2 3 4 2 ? 1.5 5.0 1.8 14.0 2.54 2.54 2.54 pin number la12 1 nc 2 gnd (ground pin) 3 vcc (+12 v) 4 v out (output voltage pin) a (measured current current sensors ? la12, magnetic direct current sensor
4 ? kemet electronics corporation ? kemet tower ? one east broward boulevard s e0207_mdcs ? 8/28/2018 fort lauderdale, fl 33301 usa ? 954-766-2800 ? www.kemet.com ac output characteristics output voltage example LA12-10V21 rated current (ex: ?10 a) 0.5 v vh = ?20 v voff = 2.5 v vh = +20 v 4.5 v rated current (ex: +10 a) primary current (a) output voltage (v) environmental compliance all mdcs sensors are rohs compliant. specifcations item performance characteristics rated current 10 C 60 a power supply voltage 12 v consumption current 40 ma maximum output voltage 2,000 0.06 v residual voltage 2,500 0.06 v hysteresis 60 mv maximum pulse response w em hmh %8w linearity s insulation withstand voltage 2,000 vac/1 minute insulation resistance ( s 1 operating temperature range q s q storage temperature range q s q current sensors ? la12, magnetic direct current sensor
5 ? kemet electronics corporation ? kemet tower ? one east broward boulevard s e0207_mdcs ? 8/28/2018 fort lauderdale, fl 33301 usa ? 954-766-2800 ? www.kemet.com table 1 C ratings & part number reference part number rated current (a) primary side windings (turn) scope of measurement power supply voltage 1 (v) output voltage 2 (v) residual voltage 3 (v) insulation withstand voltage 4 insulation resistance 4 weight (g) LA12-10V21 10 6 0 to 100% of rated current 12 5% 2,000 0.06 2,500 0.06 2,000 vac /1 minute 500 vdc to 500 m 9.0 la12-48v21 48 2 7.8 la12-50v21 50 2 7.8 la12-60v21 60 1 7.4 1 a power supply voltage variation 30 mv maximum 2 at rated current and rl = 10 k, temperature characteristics 0.15 %/c 3 at 0a and rl = 10 k, temperature characteristics 4 mv/c 4 between wire and terminals soldering process LA12-10V21, la12-48v21, la12-50v21 & la12-60v21 6issphivmr heating temperature 260c heating time within 10 seconds iron soldering temperature of tip 350c or lower worktime within 3 seconds packaging part number packaging type pieces per box LA12-10V21 tray 400 la12-48v21 la12-50v21 la12-60v21 current sensors ? la12, magnetic direct current sensor
6 ? kemet electronics corporation ? kemet tower ? one east broward boulevard s e0207_mdcs ? 8/28/2018 fort lauderdale, fl 33301 usa ? 954-766-2800 ? www.kemet.com handling precautions precautions for product storage current sensors should be stored in normal working environments. while the sensors are quite robust in other environments, solderability will be degraded by exposure to high temperatures, high humidity, corrosive atmospheres, and long-term storage. kemet recommends that maximum storage temperature not exceed 80c and atmospheres should be free of chlorine and s ulfur-bearing compounds. temperature fuctuations should be minimized to avoid condensation on the parts. also, avoid s torage near strong magnetic felds as this might magnetize the product and could cause its characteristics to change. l imit ambient magnetic felds to 50e or less. for optimized solderability, current sensors stock should be used preferably within 12 months of receipt. before using magnetic direct current sensors ? d o not drop or apply any other mechanical stress as it may change the performance characteristics. ? do not exceed 260c for 10 seconds when soldering, this is the maximum heat resistance grade of these sensors. use a l ow-corrosion type fux when soldering. ? d o not apply strong static electricity, as the circuit uses ics, this could cause damage. take static electricity precautions when handling. export control for customers in japan for products that are controlled items subject to the foreign exchange and foreign trade law of japan, the export license specifed by the law is required for export. for customers outside japan sensors should not be used or sold for use in the development, production, stockpiling or utilization of any conventional w eapons or mass-destructive weapons (nuclear weapons, chemical or biological weapons, or missiles), or any other weapons. current sensors ? la12, magnetic direct current sensor
7 ? kemet electronics corporation ? kemet tower ? one east broward boulevard s e0207_mdcs ? 8/28/2018 fort lauderdale, fl 33301 usa ? 954-766-2800 ? www.kemet.com kemet electronics corporation sales o? ces for a complete list of our global sales o? ces, please visit www.kemet.com/sales. disclaimer all product specif cations, statements, information and data (collectively, the information) in this datasheet are subject to change. the customer is responsible for checking and verifying the extent to which the information contained in this publication is applicable to an order at the time the order is placed. all information given herein is believed to be accurate and reliable, but it is presented without guarantee, warranty, or responsibility of any kind, expressed or implied. statements of suitability for certain applications are based on kemet electronics corporations (kemet) knowledge of typical operating conditions for such applications, but are not intended to constitute C and kemet specif cally disclaims C any warranty concerning suitability for a specif c customer application or use. the information is intended for use only by customers who have the requisite experience and capability to determine the correct products for their application. any technical advice inferred from this information or otherwise provided by kemet with reference to the use of kemets products is given gratis, and kemet assumes no obligation or liability for the advice given or results obtained. although kemet designs and manufactures its products to the most stringent quality and safety standards, given the current state of the art, isolated component failures may still occur. accordingly, customer applications which require a high degree of reliability or safety should employ suitable designs or other safeguards (such as the installation of protective circuitry or redundancies) in order to ensure that the failure of an electrical component does not result in a risk of personal injury or property damage. although all product-related warnings, cautions and notes must be observed, the customer should not assume that all safety measures are indicted or that other measures may not be required. /)1)8mwevikmwivihvehievosj/)1)8)pigvsrmgwsvtsvemsr current sensors ? la12, magnetic direct current sensor
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