Changsha Purple Horn E-Commerce Co., Ltd.
| Width | 22.5mm |
| Turns Ratio | 1:1:1 |
| Length | 27mm |
| Operating Temperature | -25℃~+70℃ |
| Description | 1:1:1 Through Hole,27x22.5mm Pulse Transformers RoHS |
| Mfr. Part # | IT143 |
| Package | Through Hole,27x22.5mm |
| Model Number | IT143 |
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Product Specification
| Width | 22.5mm | Turns Ratio | 1:1:1 |
| Length | 27mm | Operating Temperature | -25℃~+70℃ |
| Description | 1:1:1 Through Hole,27x22.5mm Pulse Transformers RoHS | Mfr. Part # | IT143 |
| Package | Through Hole,27x22.5mm | Model Number | IT143 |
The IT series pulse transformers provide galvanic isolation between drive and power circuits, offering voltage resistance up to 4 kV and ignition currents up to 1 A. With turns ratios up to 3:1:1, these transformers are suitable for a wide range of applications including gate drive circuits, power supplies, power converters, frequency converters, switching applications, DC/DC converters, and line coupling transformers in high-speed data transmission. Key advantages include high potential difference voltage scaling, vacuum potting for very low partial discharge effects, and PCB through-hole mounting. Custom-specific versions are available upon request.
| Model | Turns Ratio | Ignition Current (Iign) [A] | Nominal Operating Voltage (Unom) [V] | Voltage Resistance (Up) [kV] | V0t [kVs] | Rise Time (tr) [s] | Primary Inductance (Lp) [mH] | Stray Inductance (Lstr) [H] | Resistance (Rp) [] | Resistance (Rs) [] | Capacitance (Ck) [pF] | Weight [g] |
| IT 143 | 1:1:1 | 0.025 | 500 | 4 | 800 | 0.6 | 15 | 200 | 3 | 3 | 10 | 2 |
| IT 242 | 1:1:1 | 0.1 | 500 | 3.2 | 250 | 0.9 | 2.5 | 75 | 0.75 | 0.75 | 7 | 6 |
| IT 243 | 1:1:1 | 0.1 | 500 | 3.2 | 250 | 1 | 2.5 | 85 | 0.8 | 0.8 | 7 | 6 |
| IT 213 | 1:1:1 | 0.25 | 380 | 2.5 | 450 | 0.4 | 6.5 | 20 | 1.4 | 1.4 | 40 | 9 |
| IT 233 | 1:1:1 | 0.25 | 500 | 4 | 300 | 1.3 | 3 | 45 | 0.8 | 0.8 | 7 | 13 |
| IT 253 | 1:1:1 | 0.25 | 500 | 3.2 | 160 | 1.3 | 1.1 | 45 | 0.55 | 0.55 | 6 | 6 |
| IT 312 | 1:1:1 | 0.25 | 380 | 2.5 | 1200 | 1 | 21 | 35 | 2.4 | 2.7 | 30 | 24 |
| IT 313 | 1:1:1 | 1 | 380 | 2.5 | 450 | 0.6 | 3 | 6 | 0.33 | 0.4 | 27 | 24 |
| IT 249 | 2:1:1 | 0.25 | 500 | 3.2 | 330 | 4 | 17 | 140 | 3.1 | 1.5 | 9 | 6 |
| IT 244 | 3:1:1 | 0.1 | 500 | 3.2 | 200 | 0.7 | 15 | 70 | 2.8 | 0.9 | 9 | 6 |
| IT 234 | 3:1:1 | 0.25 | 500 | 4 | 280 | 1 | 17 | 40 | 2 | 0.7 | 9 | 13 |
| IT 314 | 3:1:1 | 1 | 380 | 2.5 | 500 | 1 | 35 | 20 | 1.6 | 0.7 | 30 | 25 |
* Tolerance for Lp: +50%; -30%
Explanations:
tr rise time at given load resistor R and 70% of the output pulse height.
Lp primary inductance measured at 1 kHz (secondary coil open).
Lstr 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 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).
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
>300
Ecer Certification：
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd. is a professional company focus on integrated circuit ic business. Changsha Purple Horn will also responsible with exporting and logistic business. there is professional factory Changsha Purple Horn which focus on desigining and manufacture. ... Changsha Purple Horn E-Commerce Co., Ltd. is a professional company focus on integrated circuit ic business. Changsha Purple Horn will also responsible with exporting and logistic business. there is professional factory Changsha Purple Horn which focus on desigining and manufacture. ...
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