(1/2) Compact Current Transformers CT Series FEATURES These compact, thin sensors are used to detect current in protective and control circuits in various devices, including switching power supplies. TEMPETATURE RANGES Operating temperature range Temperature rise -20 to +70C 40C max. SHAPES AND DIMENSIONS/TERMINAL POSITIONS 2 12.5max. 20max. TDK Lot. CT032 3 A A 1.70.5 4 4 1 1 2 12max. 3 20.5max. 4 2 8.7 2 7.2 1 Dimensions in mm Tolerance: 0.5 4.45 100.5 20max. 12.50.5 2-o0.6 2-o0.7 3.60.5 26.5max. 2-o1 3 1 3 2-o0.8 16max. TDK Lot. CT101 151 4 Details of A 5.15 TDK BE10H 20.5max. 2.55 Details of A Fig.2 6.3 Fig.1 ELECTRICAL CHARACTERISTICS Part No. Turn ratio N1:N2 CT032 CT034 CT101 CT201 2:200 1:200 1:100 1:200 TERMINAL CONNECTIONS Inductance (mH)min. N2 12 12 6 24 DC resistance()max. N1 N2 0.005 0.004 0.005 0.005 8 8 5 15 Withstand voltage Fig. Eac(kV) 3.75 1 2 2 1 4 N1 3 N2 2 TYPICAL ELECTRICAL CHARACTERISTICS OUTPUT CHARACTERISTICS R L =300W f=100kHz D=50% CT032 20 CT034 10 0 R L =300 f =100kHz D=50% 30 Vout (V) Vout (V) 30 CT101 20 CT201 10 0 5 10 Iin(A) 15 0 0 5 10 Iin (A) 15 * All specifications are subject to change without notice. 001-01 / 20070212 / eb3112_ct.fm (2/2) TYPICAL ELECTRICAL CHARACTERISTICS OUTPUT CHARACTERISTICS FOR TERMINATING RESISTANCE (RL) CHANGE CT032 CT101 f=150kHz D=30% 70 R L =470 50 R L =300 30 Vout (V) Vout (V) 70 f =150kHz D=30% 50 R L =470 R L =300 30 R L =100 R L =100 10 0 10 0 5 10 Iin (A) 15 CT034 0 5 70 R L =470 30 Vout (V) f=150kHz D=30% 50 15 20 f =150kHz D=30% 50 30 R L =470 R L =300 R L =300 10 0 10 Iin (A) CT201 70 Vout (V) 0 20 R L =100 0 5 10 Iin (A) 15 10 20 0 0 5 10 Iin (A) R L =100 15 20 MEASURING CIRCUIT 4 1 lin (A) R L Vout (V) 3 2 * All specifications are subject to change without notice. 001-01 / 20070212 / eb3112_ct.fm