Schurter – Compact and Lightweight DKIH Common Mode Chokes – Ideal for 1- and 3-Phase System

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SCHURTER’s high-current compensated chokes are ideal for PCB mounting. The DKIH series with a nanocrystalline ring core, offers 8x higher inductance performance than ferrite core versions in the same compact dimension. The product is designed for single- and three-phase applications with rated currents from 10A to 50A. Due to its open design, the chokes are lightweight and compact, ideally designed to suppress EMI noise caused by power applications on the PCB.

Like all other aspects of electronic design, the power portion is oftentimes built today using discrete components on printed circuit boards. With the trending integration of components, to achieve smaller and smaller form factors, thermal problems and high currents on the PCB can become a challenge. Traditional block filters might well address these challenges, but their larger package size also presents challenges due to the mentioned space constraints; therefore an asymmetrical effective common mode choke and capacitors mounted on the PCB may be a better solution.

The DKIH-1 series is suitable for single-phase AC or DC applications from 10A up to 50A. Lightweight and compact, the common mode chokes are easily placed on the PCB with through hole technology (THT). They are designed and approved according IEC 60938, UL 1283 and CSA 22.2 no. 8. The voltage rating is 300VAC (IEC, UL) and 250mH (CSA) with an inductance range of 1.6mH to 6.9mH.

The DKIH-3 series is suitable for three-phase AC applications from 10A up to 50A. The common mode chokes are also designed according IEC 60938 and are rated 600VAC with an inductance range of 0.7mH to 10.8mH, making them suitable for many applications such as UPS systems, switching power supplies, charge stations for electric vehicles and frequency converters for energy storage.

The DKIH-1 and -3 have a wide temperature range of -40°C to +100°C. They are available with a standard pin out or customer specific pin out. Variations in the winding are also available upon request.

FEATURES
DKIH-1:

  • Rated voltage: 300VAC (UL,ENEC), 250VAC (CSA), 425VDC
  • Rated currents: 10A to 50A (ENEC/UL/CSA) at +40°C
  • Rated inductance: 0.15mH to 0.80mH
  • Other pin outs available on request

DKIH-3:

  • Rated voltage: 600VAC
  • Rated currents: 10A to 50A at +40°C
  • Rated inductance: 0.08mH to 1.10mH
  • Other pin outs available on request

APPLICATIONS

  • Frequency converters for photovoltaic or energy storage
  • Charge stations for electric vehicles
  • UPS systems
  • Switching power supplies

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DKIH-1 - 1-Phase Ferrite Ring Core
In [A]U [VAC]Ln [mH]Pack QtyOrder Number
103000.840DKIH-3237-10D8
123000.740DKIH-3237-12D7
163000.920DKIH-3242-16D9
203000.520DKIH-3242-20D5
253000.320DKIH-3242-25D3
323000.7520DKIH-3252-32D8
403000.4520DKIH-3252-40D5
503000.1520DKIH-3252-50D2

DKIH-1 - 1-Phase Ferrite Ring Core
In [A]U [VAC]Ln [mH]Pack QtyOrder Number
106006.940DKIH-3237-1010-NK
126006.840DKIH-3237-122Q-NK
166007.320DKIH-3242-160Q-NK
206003.720DKIH-3242-202M-NK
256002.3520DKIH-3242-257K-NK
326007.220DKIH-3252-324Q-NK
406004.320DKIH-3252-409M-NK
506001.420DKIH-3252-506J-NK
DKIH-1 - 1-Phase Ferrite Ring Core
In [A]U [VAC]Ln [mH]Pack QtyOrder Number
106001.1520DKIH-3352-102J
126000.7520DKIH-3352-12D8
166000.4620DKIH-3352-16D5
206000.3520DKIH-3352-20D4
256000.2420DKIH-3352-25D3
326000.3320DKIH-3358-32D3
406000.1520DKIH-3358-40D2
506000.0820DKIH-3358-50C8

DKIH-1 - 1-Phase Ferrite Ring Core
In [A]U [VAC]Ln [mH]Pack QtyOrder Number
1060010.820DKIH-3352-1011-NK
126007.220DKIH-3352-120Q-NK
166004.420DKIH-3352-162N-NK
206003.120DKIH-3352-204L-NK
256002.220DKIH-3352-254K-NK
326002.620DKIH-3358-326K-NK
406001.120DKIH-3358-401J-NK
506000.720DKIH-3358-50D7-NK

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