usa 858 674 8100 ? ? germany 49 7032 7806 0 ? ? singapore 65 6287 8998 ? ? shanghai 86 21 54643211 / 2 ? ? china 86 755 33966678 ? ? taiwan 886 3 4641811 www.pulseeng.com 111 spm2007 (11/07) electrical specifications @ 25c ? operating temperature -40c to +130c smt current sense transformers pe-68xxxnl series current 2 secondary dcr (m max) part 5,6 turns rating inductance primary secondary hipot number ratio (a) (mh min) (1,3-2,4) (5-6) (v rms ) pe-68210nl 1:1:50 15 3.8 1.15 380 500 PE-68280NL 1:1:100 15 14.8 1.15 930 500 pe-68383nl 1:1:200 15 59.2 1.15 3900 500 1 2 3 4 5 6 n s turns 1 turn 1 turn notes: 1. the temperature of the component (ambient temperature plus temper- ature rise) must be within the specified operating temperature range. 2.the maximum current rating is based upon temperature rise of the component and represents the dc current which will cause a typical temperature rise of 40c with no air flow when both one turn windings connected in parallel. 3. to calculate the value of the terminating resistor (rt) use the following formula: rt ( ) = v ref * n / (ipeak_primary) 4. the peak flux density of the device must remain below 2000 gauss. to calculate the peak flux density for a uni-polar current use the following formula: b pk = 14.29 * v ref * (duty_cycle_max) * 10 5 / ( n * freq_khz) * for bi-polar current applications divide b pk as calculated above by 2. 5. optional tape & reel packaging can be ordered by adding a " t " suffix to the part number (i.e. pe-68210nl becomes pe-68210nl t ). pulse complies to industry standard tape and reel specification eia481. 6. the " nl " suffix indicates an rohs-compliant part number. non-nl suffixed parts are not necessarily rohs compliant, but are electrically and mechani- cally equivalent to nl versions. if a part number does not have the " nl " suffix, but an rohs compliant version is required, please contact pulse for availability. mechanical schematic dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25 height: 7.1mm max footprint: 14.6mm x 12.6mm max current rating: up to 15a frequency range: 50khz to 500khz / /
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