IT314 Schaffner

Pulse Transformers IT series Pulse Transformer with Double Secondary Winding n Galvanic separation of drive and power Approvals circuit n Voltage resistance up to 4kV n Ignition current up to 1A n Turns ratio up to 3:1:1 Technical specifications Typical electrical schematic Nominal operating voltage: Up to 500V Operating frequency: 40kHz max. prim. 500kHz max. for data transmission Ignition currents: 0.025 to 1A 40C Rise time: 0.4 to 4.0s Test voltage: U /50Hz/2s max. according to VDE 110b p sec. sec. Max. partial discharge voltage: 1.5 x U nom Temperature range (operation and storage): -25C to +70C (25/70/21) Flammability corresponding to: UL 94V-0 listed materials Features and benefits Typical applications IT pulse transformers are designed to offer n Galvanic separation with secondary n Gate drive circuit you galvanic isolation for transformer coupled winding. n Power supplies gate drives. The IT series provides negligible n Voltage resistance up to 4kV. n Power converters delays and the possibility of voltage scaling. n Allows high potential difference voltage n Frequency converters They are available with single or double scaling. n Switching applications secondary winding for multiple gate drives. n Vacuum potting. n DC/DC converters Choosing the IT product line brings you the n Very low partial discharge effects. n Line coupling transformers in high-speed rapid availability of a standard gate drive n PCB through hole mounting. data transmission transformer. A wide selection on turns ratio, n Custom-specific versions on request. ignition current and voltages are designed to offer you the desired standard product.> Components > IT series Pulse transformer selection table Pulse transformer Turns ratio Ignition Voltage Voltage Rise Inductance Resistance Coupling Input/Output Weight current time area time capacitance connections I U U V t L L R R C ign nom p 0t r p str p s k A V kV Vs s mH H pF g IT 143 1:1:1 0.025 500 4 800 0.6 15 200 3 3 10 02 14 IT 242 1:1:1 0.1 500 3.2 250 0.9 2.5 75 0.75 0.75 7 02 6 IT 243 1:1:1 0.1 500 3.2 250 1 2.5 85 0.8 0.8 7 02 6 IT 213 1:1:1 0.25 380 2.5 450 0.4 6.5 20 1.4 1.4 40 02 9 IT 233 1:1:1 0.25 500 4 300 1.3 3 45 0.8 0.8 7 02 13 IT 253 1:1:1 0.25 500 3.2 160 1.3 1.1 45 0.55 0.55 6 02 6 IT 312 1:1:1 0.25 380 2.5 1200 1 21 35 2.4 2.7 30 02 24 IT 313 1:1:1 1 380 2.5 450 0.6 3 6 0.33 0.4 27 02 24 IT 249 2:1:1 0.25 500 3.2 330 4 17 140 3.1 1.5 9 02 6 IT 154 3:1:1 0.1 500 4 600 1.3 75 180 7.5 2.2 9 02 14 IT 244 3:1:1 0.1 500 3.2 200 0.7 15 70 2.8 0.9 9 02 6 IT 234 3:1:1 0.25 500 4 280 1 17 40 2 0.7 9 02 13 IT 314 3:1:1 1 380 2.5 500 1 35 20 1.6 0.7 30 02 25 Explanations: t rise time at given load resistor R and 70% of the output pulse height. r L primary inductance measured at 1kHz (secondary coile open). p L stray inductance measured at the secondary side, short circuit at the primary side. If there are several secondary coils only one at the time is connected (measuring frequency 10kHz). str The ignition current is a set peak value where the voltage drop over the coil resistance is still insignificant (mostly below 1V). Mechanical data IT 213 IT 243, IT 244, IT 249, IT 253 A L 1 2 3 2 1 3 6 5 5 6 H G A E 4 Prim. L H E 5 6 B 4 6 5 3 4 4 3 K 1 2 2 1 I H H F G F C D C D IT 242 IT 143, IT 154, IT 233, IT 234 A A L L 6 5 5 6 2 1 1 2 Prim. 3 4 L L E H H 4 3 3 4 B B Prim. 4 3 H K E 5 6 6 5 2 1 1 2 I I F G F G C D C D IT 312, IT 313, IT 314 A K 4 3 3 4 5 Prim. 2 H 2 5 B E H L 1 6 6 1 I F L G C D Prim.