Current Transformers Applications Outline NEC TOKIN current transformers are AC sensing elements that are suitable for current controll and overcurrent protection. * Electromagnetic cooking appliances, microwave ovens, airconditioners and other home appliances * Current regulation in office automation and industrial equipment * High-frequency switching power supplies Features * Compact, inexpensive, with high output voltages * Broad-frequency bandwidths (50 Hz to 100 kHz) * Easy mounting on printed circuit boards * Use flame-retardant materials (UL94V-0 class) Direct Current Resistance () max. 3.9 3.9 230 230 160 Product Name CT10V1-02 CT10H1-02 CT10V1-15 CT10H1-15 CT10V1-10S Insulation Withstand Voltage (VAC/1min) 1500 1500 1500 1500 3750 Insulation Resistance (M) min. 100 100 100 100 100 *Insulation Withstand Voltage:inter-coil, between coil and core,Insulation Resistance:DC500V, inter-coil, between coil and core Shape and Dimensions CT10H1-02 CT10H1-15 15.5 max. 19 max. o1.2 1 2 3 4 1 3 2 4 9.5 8.5 2 - o0.7 1 2 - o1.8 3 9.5 2 2 - o1.1 3 1 2 4 S 4 1 2 - o1.8 3 9.5 2 2 - o1.1 2 3 P 3 4 11.0 1 3 2 - o0.8 2 4 9 Recommended pin pattern dimensions 1 8.5 2 16 max. 2 - o0.7 9.5 Recommended pin pattern dimensions 3 P 1 o1.6 1 8.5 4 4 8.5 o1.2 Recommended pin pattern dimensions 2 2 20.5 max. 17.5 max. 5.0 4 S 1 4 1 2 - o2.2 3 11 3 P 9 5.0 21 max. 22 max. 19 max. CT10V1-10S 25 max. CT10V1-02 CT10V1-15 2 S 4 2 - o1.2 [mm] 32 Transformers / Choke Coils Vol.1 Numbering System CT10 V Series 1 - 15 Vertical type (V) or horizontal type (H) Primary pass-through type or primary mounted type (1) Number of windings 1500T Output Voltage Measurement Circuit RL I1 f S P Eo CT f : Frequency I1: Primary current (AT) S : Secondary side RL: Load resistor () Eo : Output voltage (V) P : Primary side Output Voltage Characteristics 2.5 RL=80 40 2 20 1 0 5 10 II(AT) E0 (V) E0 (V) 3 2.0 RL=1000 2.0 500 1.5 200 E0 (V) 5 4 f = 50Hz N2 = 1000T f = 50Hz N2 = 1500T f = 40kHz N2 = 200T RL=1000 500 1.5 200 1.0 1.0 0.5 0.5 0 5 10 II(AT) 0 5 10 II(AT) Transformers / Choke Coils Vol.1 33