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| October 12, 2006 272 Series Current Sense Transformers 25kHz Features Designed for switching mode power supply applications International safety construction High dielectric strength capability 3750V RMS Frequency range 25kHz Epoxy encapsulated construction Tinned Leads with Leaded Solder is Available (note 4) ELECTRICAL SPECIFICATIONS AT 25C Secondary Primary Primary 1 Turn Secondary Secondary Rated Unipolar Bipolar Primary Turns Inductance DCR Terminated Amp Sec Amp Sec Peak Sense Ratio Test Voltage Ohm (Max) Resistance Rating Rating Current 15.75 kHz Ohm (Max) (Max) (Max) Amps (Max) 1:50 5.0 0.50 0.70 50 150 300 20 1:100 20.0 1.00 1.40 100 300 600 20 1:200 80.0 2.00 4.50 200 600 1200 20 1:300 180.0 3.00 11.00 300 900 1800 20 1:50CT 5.0 0.50 0.70 50 150 300 20 1:100CT 20.0 1.00 1.40 100 300 600 20 1:200CT 80.0 2.00 4.50 200 600 1200 20 1:300CT 180.0 3.00 11.00 300 900 1800 20 Maximum ratings specified with rated secondary terminating resistance and 1 turn primary. Amp-Sec rating of primary equals to volt Sec rating of secondary when secondary is terminated in rated resistance. Maximum operating temperature 105C. For non-RoHS parts, replace PT prefix with 42- (e.g. PT27210 becomes 42-27210). Terminal finish is compliant to RoHS requirements Secondary Inductance mH (Min) Part Number PT27210 PT27211 PT27212 PT27213 PT27214 PT27215 PT27216 PT27217 Note: (1) (2) (3) (4) (5) Schematic Figure A A A A B B B B 3 1 3 .700 Max 17.78 1 4 2 2 5 .900 Max 22.96 5 Schematic Figure A 3 1 4 2 5 .170 Min 4.31 .700 17.78 .250 6.35 .700 Max 17.78 .010 Min .25 Schematic Figure B .500 12.70 Pin No. 1-2 = .051.003 Dia Inches Pin No. 3-4-5 = .030.002 Dia Inches Case for Figure A and B INCHES .XXX .010 MILLIMETERS .XX .25 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) 2563 1290 All specifications are subject to change without notice. |
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