Common Mode Chokes
CMC / 20 µH / 0.7 A
Compact common mode choke around 20 µH at 0.7 A for 250 V class adapter and small SMPS EMI stages.
Inductance: 20 µH class
View specificationEMI filtering and noise suppression for power lines
Sectors served
How it works
FLUX CANCELS → low impedance
FLUX ADDS → high impedance
26 standard parts, plus custom
Compact common mode choke around 20 µH at 0.7 A for 250 V class adapter and small SMPS EMI stages.
Inductance: 20 µH class
View specificationCompact common mode choke for appliance and power-supply EMI filters. Wound and tested in-house for L and DCR.
Style: Compact THT CMC
View specificationHigh-µ ferrite common mode choke for power-line EMI filtering. Wound and 100% tested for L and DCR in-house.
Core: High-µ ferrite
View specificationCommon mode choke for general-purpose line filtering around the 10 A class. Wound and tested in-house for L and DCR.
Rated Current: ~10 A class
View specificationEE2506 based common mode choke, offering a low profile horizontal solution for EMI suppression.
Inductance: 0.57mH - 47mH
View specificationVertical EE2506 common mode choke, combining standard EE core geometry with line filtering capabilities.
Inductance: 0.57mH - 47mH
View specificationHeavy-duty EE30/7 common mode choke for demanding power line filtering. The largest EE-core choke in the range, for line currents where a toroid of equivalent impedance would not fit the board.
Inductance: 1mH - 68mH
View specificationET24 common mode choke with excellent attenuation characteristics for broad frequency ranges.
Mounting: THT
View specificationRobust ET28 common mode choke for higher current applications requiring reliable noise suppression.
Mounting: THT
View specificationLarge ET35 common mode choke for high-power industrial equipment line filtering.
Mounting: THT
View specificationVery high current ring-core CMC for EV, UPS and industrial bus filtering where 50 A class common-mode suppression is required.
Inductance: 2×0.57 mH class
View specificationHigh-current ring-core common mode choke, 2×5 mH class at 10 A, for conducted EMI on power lines and charger inputs.
Inductance: 2×5 mH class
View specificationSmallest toroidal choke in the range, for adapters and low-power supplies where board area is the binding constraint. Bifilar wound so common mode impedance stays high without choking the differential current.
Inductance: 0.5mH - 10mH
View specificationCompact T12.5 toroidal common mode choke. Excellent for minimizing leakage flux in tightly packed supplies.
Inductance: 0.7mH - 15mH
View specificationT14 toroidal choke for LED drivers and small SMPS front ends. A common step up when a T12.5 runs out of window area before it runs out of impedance.
Inductance: 1mH - 22mH
View specificationT16 toroidal common mode choke for appliance and lighting power inputs, wound to hold impedance across the 150kHz-30MHz conducted band.
Inductance: 1mH - 33mH
View specificationT20 toroidal choke for mid-power industrial supplies and battery chargers. Larger window allows heavier wire where the line current rules out a smaller core.
Inductance: 1mH - 47mH
View specificationT23 toroidal common mode choke for three-phase auxiliaries and higher-current single-phase inputs.
Inductance: 1mH - 47mH
View specificationStandard T25 toroidal common mode choke. Provides high impedance over a wide frequency band.
Inductance: 1mH - 68mH
View specificationT30 toroidal choke for inverter and drive inputs, where both the line current and the emissions target are high.
Inductance: 2mH - 68mH
View specificationLargest toroidal choke in the standard range, for solar inverters and industrial drives. Wound to order in round or flat wire depending on the current and the space available.
Inductance: 2mH - 100mH
View specificationUT20 common mode choke offering high inductance in a compact vertical package.
Mounting: THT
View specificationUU10.5 vertical common mode choke for mains line filtering in consumer electronics.
Mounting: THT
View specificationCompact UU9.8 common mode choke for effective EMI filtering in small power supplies.
Mounting: THT
View specificationVertical UU9.8 common mode choke designed to save PCB space while suppressing line noise.
Mounting: THT
View specificationUU9.8 common mode choke wound to ~8.2 mH at 250 mA for compact SMPS and adapter EMI stages.
Inductance: 8.2 mH class
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