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Specifications
Turns Ratio:
1:1:1
Operating Temperature:
-25℃~+70℃
Mfr. Part #:
IT242
Package:
Through Hole,17.6x16.7mm
Key Attributes
Model Number:
IT242
Product Description
Pulse Transformers IT series with double secondary winding
The Pulse Transformers IT series with double secondary winding are designed for galvanic separation of drive and power circuits, offering voltage resistance up to 4 kV and ignition currents up to 1 A. They provide excellent isolation and are suitable for various switching applications, including gate drive circuits, power supplies, power converters, and frequency converters. Key advantages include high voltage resistance, low partial discharge effects, and vacuum potting for enhanced reliability. Custom-specific versions are available upon request.
Product Attributes
- Brand: Schaffner
- Certifications: UL 94 V-0 listed materials
Technical Specifications
| Model | Turns ratio | Ignition Current [A] | Nominal Operating Voltage [V] | Test Voltage [kV] | Voltage Rise [Vs] | Rise Time [s] | Primary Inductance [mH] | Stray Inductance [H] | Resistance [] | Capacitance [pF] | Weight [g] |
| IT 143 | 1:1:1 | 0.025 | 500 | 4 | 800 | 0.6 | 15 | 200 | 3 | 10 | 14 |
| IT 242 | 1:1:1 | 0.1 | 500 | 3.2 | 250 | 0.9 | 2.5 | 75 | 0.75 | 7 | 6 |
| IT 243 | 1:1:1 | 0.1 | 500 | 3.2 | 250 | 1 | 2.5 | 85 | 0.8 | 7 | 6 |
| IT 213 | 1:1:1 | 0.25 | 380 | 2.5 | 450 | 0.4 | 6.5 | 20 | 1.4 | 40 | 9 |
| IT 233 | 1:1:1 | 0.25 | 500 | 4 | 300 | 1.3 | 3 | 45 | 0.8 | 7 | 13 |
| IT 253 | 1:1:1 | 0.25 | 500 | 3.2 | 160 | 1.3 | 1.1 | 45 | 0.55 | 6 | 6 |
| IT 312 | 1:1:1 | 0.25 | 380 | 2.5 | 1200 | 1 | 21 | 35 | 2.4 | 30 | 24 |
| IT 313 | 1:1:1 | 1 | 380 | 2.5 | 450 | 0.6 | 3 | 6 | 0.33 | 27 | 24 |
| IT 249 | 2:1:1 | 0.25 | 500 | 3.2 | 330 | 4 | 17 | 140 | 3.1 | 9 | 6 |
| IT 244 | 3:1:1 | 0.1 | 500 | 3.2 | 200 | 0.7 | 15 | 70 | 2.8 | 9 | 6 |
| IT 234 | 3:1:1 | 0.25 | 500 | 4 | 280 | 1 | 17 | 40 | 2 | 9 | 13 |
| IT 314 | 3:1:1 | 1 | 380 | 2.5 | 500 | 1 | 35 | 20 | 1.6 | 30 | 25 |
Dimensions (mm)
| Model | A | B | C | D | E | F | G | H | I | K | L |
| IT 213 | 17.6 | 16.7 | 20 | 5 | 0.45 | 1 | 10 | 5 | 2.1 | 5 | 2 |
| IT 243, IT 244, IT 249, IT 253 | 17.6 | 16.7 | 11.3 | 5 | 0.42 | 0.4 | 15.3 | 7.5 | 2.1 | 5 | 2 |
| IT 242 | 27* | 22.5* | 13.7 | 5 | 0.45 | 0.7 | 20 | 7.5 | 3.75 | 5 | 2.5 |
| IT 143, IT 154, IT 233, IT 234 | 27* | 22.5* | 13.7 | 5 | 0.45 | 0.7 | 20 | 7.5 | 3.75 | 5 | 2.5 |
| IT 312, IT 313, IT 314 | 25.5* | 25.5* | 25* | 5 | 0.5 | 0.5 | 15 | 7.5 | 5.25 | 5 | 3 |
2312272112_TE---Schaffner-IT242_C7290774.pdf
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