Manufacturers
SCHAFFNER IT242
Description
Schaffner IT242 Pulse Transformer. Up to 500V | PCB Mount | 0.4 to 4 µs Rise Time
Part Number
IT242
Price
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Manufacturer
SCHAFFNER
Lead Time
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Category
PRODUCTS - I
Features
- Allows high potential difference voltage scaling.
- Custom-specific versions on request.
- Galvanic separation with secondary winding.
- PCB through hole mounting.
- Vacuum potting.
- Very low partial discharge effects.
- Voltage resistance up to 4 kV.
Datasheet
Extracted Text
Pulse Transformer with Double Secondary Winding Pulse Transformers IT series Galvanic separation of drive and power circuit Approvals Voltage resistance up to 4kV Ignition current up to 1A Turns ratio up to 3:1:1 Features and benefits Galvanic separation with secondary winding. Voltage resistance up to 4 kV. Allows high potential difference voltage scaling. Vacuum potting. Very low partial discharge effects. PCB through hole mounting. Custom-specific versions on request. Technical specifications Typical applications Flammability corresponding to UL 94 V-0 listed materials Gate drive circuit Ignition currents 0.025 to 1A @ 40 °C Power supplies Max. partial discharge voltage 1.5 x Unom Power converters Nominal operating voltage Up to 500 V Frequency converters Rise time 0.4 to 4 µs Switching applications Temperature range (operation and storage) -25 °C to +70 °C (25/70/21) DC/DC converters Test voltage Up/50 Hz/2s max. according to VDE 110b Line coupling transformers in high-speed data transmission EMC/EMI Products Schaffner Group Datasheets 2014 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] [Vμs] [μs] [mH] [μH] [Ω] [Ω] [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 1 kHz (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 str 10 kHz). – The ignition current is a set peak value where the voltage drop over the coil resistance is still insignificant (mostly below 1 V). Mechanical data IT 213 IT 243, IT 244, IT 249, IT 253 IT 242 IT 143, IT 154, IT 233, IT 234 EMC/EMI Products Schaffner Group Datasheets 2014 IT 312, IT 313, IT 314 Dimensions IT 213 IT 243 IT 244 IT 249 IT 253 IT 242 IT 143 IT 154 IT 233 IT 234 IT 312 IT 313 IT 314 Tol. A Ø19 17.6 17.6 17.6 17.6 17.6 27* 27* 27* 27* 25.5* 25.5* 25.5* ±0.1 B 16.7 16.7 16.7 16.7 16.7 22.5* 22.5* 22.5* 22.5* 25.5* 25.5* 25.5* ±0.1 C 20 11.3 11.3 11.3 11.3 11.3 13.7 13.7 13.7 13.7 25* 25* 25* ±0.1 D 5 5 5 5 5 5 5 5 5 5 5 5 5 +1/-0 E 0.45 0.42 0.42 0.42 0.42 0.42 0.45 0.45 0.45 0.45 0.5 0.5 0.5 F 1 0.4 0.4 0.4 0.4 0.4 0.7 0.7 0.7 0.7 0.5 0.5 0.5 G 10 15.3 15.3 15.3 15.3 15.3 20 20 20 20 15 15 15 H 5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 7.5 ±0.2 I 2.1 2.1 2.1 2.1 2.1 3.75 3.75 3.75 3.75 5.25 5.25 5.25 ±0.2 K 5 5 5 5 5 5 5 5 ±0.2 L 2 2 2 2 2 2.5 2.5 2.5 2.5 3 3 3 * Tolerance is ±0.2 All dimensions in mm; 1 inch = 25.4mm Tolerances according: ISO 2768-m / EN 22768-m Please visit www.schaffner.com to find more details on filter connectors.
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