Inductors
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Common Mode Choke
Coils
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E-mail: fks@fks-coils.com
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MTCI SMT Multi-Turn Ratio coupled Inductor
MTCI SMT Multi-Turn Ratio coupled Inductor Description:
FKS CoilS-MTCI SMT Multi-Turn Ratio coupled Inductor use a special winding method to achieve an excellent coupling coefficient of up to 0.995, which means they have much lower leakage inductance than comparable coupled inductors. These low cost coupled wire power line power chokes are an ideal solution for SEPIC and Ćuk converters requiring high rated current, high saturation current and high coupling coefficient. Additionally, the family is suitable for 1:N turns ratio flyback converters, and step-up/buck converters with isolated secondary output voltages.
Magnetically Shielded
1:N Transformer
Operation temperature: -40 °C to +125 °C
Ambient Temperature: -40 °C up to +85 °C
Storage Temperature: -20 °C up to +60 °C
Test conditions of Electrical Properties: +20°C, 33% RH if not specified differently
| Order Code | L1 (µH) |
L2 (µH) |
n | IR (A) |
ISAT (A) |
RDC1 typ (mΩ) |
RDC2 typ (mΩ) |
RDC1 max (mΩ) |
RDC2 max (mΩ) |
fres 1 (MHz) |
| FKS744889015100 | 10 | 22.5 | 1:1.5 | 0.95 | 1.5 | 349 | 408 | 500 | 600 | 13 |
| FKS744889015220 | 22 | 49.5 | 1:1.5 | 0.6 | 1 | 662 | 874 | 1000 | 1200 | 9.5 |
| FKS744889015330 | 33 | 74.25 | 1:1.5 | 0.45 | 0.75 | 1338 | 1782 | 1900 | 2400 | 7 |
| FKS744889020100 | 10 | 40 | 1:2 | 0.95 | 1.5 | 358 | 552 | 500 | 750 | 11.5 |
| FKS744889020220 | 22 | 88 | 1:2 | 0.6 | 1 | 712 | 1208 | 1000 | 1600 | 7 |
| FKS744889020330 | 33 | 132 | 1:2 | 0.45 | 0.75 | 1383 | 2418 | 1900 | 3200 | 5.8 |
| FKS744889030100 | 10 | 90 | 1:3 | 0.95 | 1.5 | 363 | 846 | 500 | 1100 | 8 |
| FKS744889030220 | 22 | 198 | 1:3 | 0.6 | 1 | 732 | 1872 | 1000 | 2500 | 5 |
| FKS744889030330 | 33 | 297 | 1:3 | 0.45 | 0.75 | 1466 | 3758 | 1900 | 5200 | 4 |
