July,11, 2011 SMD Current Sense Transformer CT320 Series Features Datatronics Part Number Turns Ratio ( 2%) CT320-020 CT320-030 CT320-040 CT320-050 CT320-060 CT320-070 CT320-100 CT320-125 CT320-200 1:20 1:30 1:40 1:50 1:60 1:70 1:100 1:125 1:200 Rated for 35 amps RMS Max. Operating Frequency: 50kHz to 500kHz Operating Temperature: –40°C to +130°C Pick and Place Design Tape and Reel Available Tinned Leads with Leaded Solder is Available (note 6) Secondary Inductance (mH TYP) 0.30 0.66 1.20 2.00 3.00 3.90 7.50 12.00 29.00 Primary DCR (mΩ TYP) Secondary DCR (Ω TYP) HiPot (Vrms) 0.28 0.28 0.28 0.28 0.28 0.28 0.28 0.28 0.28 1.40 2.10 2.80 3.50 4.20 4.90 7.00 8.75 14.00 500 500 500 500 500 500 500 500 500 Mechanical Specifications 6 12 .720 18,30 .530 MAX 13,46 5 10 11 1 .536 13,62 .100 2,54 .024 0,61 d .047 1,19 CT320-XXX DATE .261 6,64 1.) .559 MAX 14,20 2.) 3.) 4.) 5.) 6.) .594 Ref. 15,10 .559 MAX 14,20 5 12 4 Notes: .287 7,30 SUGGESTED PAD LAYOUT 1 2 SCHEMATIC .570 14,48 .100 2,54 .709 MAX 18,00 11 .394 MAX 10,00 7.) All dimensions are in inches/mm Tolerance: 0.010/0,25 unless otherwise specified Inductance tested at 10 kHz, 0.1Vrms Coplanarity: 0.004/0,102 Packaging 600 pcs / carton Terminating resistor (RT) calculated: RT = (NTURNS / IPRI) * VREF For Non-RoHS parts, replace CT prefix with -42 e.g. CT320 becomes 42-320 Terminal finish compliant to RoHS requirements. Solder in accordance with J-STD-020D Datatronic: 28151 Highway 74, Romoland, CA 92585 Tel: 951-928-7700 Fax: 951-928-7701 Email: [email protected] Datatronic Ltd. 499 King's Road, Hong Kong Tel: (852) 2562-3858, (852) 2564-87-477 Fax: (852) 2565-7214, (852) 2563-1290 All specifications are subject to change without notice.