november 27, 2007 datatronic : 28151 highway 74, romoland, ca 92585 tel: 951-928-7700 toll free tel: 888-889-5391 fax: 951-928-7701 email: ddisales@datatronics.com 499 king?s road, hong kong tel: (852) 2562 3858, (852) 2564 8477 fax: (852) 2565 7214, (852) 2 563 1290 all specifications are subj ect to change without notice. .300 min. 1 2 3 .625 .062 .312 .562 .512 .112 .625 .625 ?.030 ?.188 1 2 3 schematic electrical specifications at 25oc turns ratio primary peak secondary inductance dcr part no. 1t pri current (amp) (h) typical ( ? ) max. PT21901 1000 3.5 85 65 pt21903 1000 5 85 65 pt21905 2000 10 170 200 pt21906 2000 15 170 200 pt21907 2000 20 170 200 219 series current sense inductors features z frequency range: 40hz to 20khz z operating temperature: -40c to +130c z dielectric strength pri to sec: 2.5k vrms z fully encapsulated construction z non rohs version is available (note 3) notes: 1. all dimensions are shown in inches 2. general tolerance 0.010 otherwise specified 3. for non-rohs parts, replace pt prefix with 42- (e.g. PT21901 becomes 42-21901). 4. terminating resistor (r t ) calculated: r t = v ref * (n / i peak primary ) 5. inductance: 1vrms @ 100hz
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