smt current sense transformers pa0368 series current rating up to 4 amps operating frequency range: 50 khz to 500 khz maximum footprint: 8.38 mm x 8.38 mm x 3.30 mm mechanical schematic preliminary p557.p (12/02) for more information : printed on recycled paper. ?2002, pulse engineering, inc. performance warranty of products offered on this data sheet is limited to the parameters specified. data is subject to change w ithout notice. other brand and product names mentioned herein may be trademarks or registered trademarks of their respective owners. weight . . . . . . . . . . . . . .0.3 grams tape & reel . . . . . . . . . . .1100/reel dimensions: inches mm unless otherwise specified, all tolerances are .010 0,25 electrical specifications @ 25c ? operating temperature -40c to 130c secondary dcr (m ? max) hipot part number turns ratio current rating 1 inductance primary secondary (vrms) (mh min) pa0368.050 1:50 4 1.7 4 900 500 pa0368.070 1:70 4 3.3 4 1200 500 pa0368.080 1:80 4 4.3 4 1400 500 pa0368.100 1:100 4 6.7 4 1600 500 pa0368.125 1:125 4 10.4 4 1900 500 notes: 1. the maximum current rating is based on temperature rise of the component and represents the dc current which will cause a typic al temperature rise of 40c with no airflow. 2. to calculate the value of the terminating resistor (rt) use the following formula: rt ( ? ) = vref * n / (ipeak primary) 3. 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: bpk = 64.9 * vref * (duty cycle max) * 10 5 / (n * freq khz) ? (for bi-polar current applications divide bpk as calculated above by 2). united states (worldwide) 12220 world trade drive san diego, ca 92128 u.s.a. http://www.pulseeng.com tel: 858 674 8100 fax: 858 674 8262 united kingdom (northern europe) 1 & 2 huxley road the surrey research park guildford, surrey gu2 5re united kingdom tel: 44 1483 401700 fax: 44 1483 401701 france (southern europe) zone industrielle f-39270 orgelet france tel: 33 3 84 35 04 04 fax: 33 3 84 25 46 41 taiwan, r.o.c. (northern asia) 3f-4, no. 81, sec. 1 hsintai wu road hsi-chih, taipei hsien taiwan, r.o.c. tel: 886 2 2698 0228 fax: 886 2 2698 0948 singapore (southern asia) 150 kampong ampat #07-01/02 ka centre singapore 368324 tel: 65 6287 8998 fax: 65 6280 0080 hong kong (china/hong kong) 19/f, china united plaza 1008 tai nan west street cheung sha wan, kowloon hong kong, china tel: 852 2788 6588 fax: 852 2776 1055 distributor
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