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Common Mode Chokes from The Premo Group

Common mode chokes are inductors that isolate AC frequency currents from certain areas of a radio circuit. Common mode chokes depend upon the property of self inductance for their operation. They can be used to block alternating current (AC) while passing direct current (DC).

Premo LF Premo ET
Premo HC

Common mode chokes are useful in a wide range of prevention of electromagnetic interference (EMI) and radio frequency (RFI) from power supply lines and for prevention of malfunctioning of electronic equipment. They pass differential currents (equal but opposite), while blocking common-mode currents.

Premo offers a comprehensive selection of common mode chokes with current ratings as high as 120ADC and inductance as high as 68mH in though-hole, PCB-mount configurations.  Custom designs are also available.

Description

Image

Series

Inductance
Range

Current
Rating

DCR
(mOhms)

Specs

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Common Mode Chokes

Premo HC

HC

35uH-840uH

16ADC-120ADC

2.5-110.0

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Premo SC

SC

2x5uH-2x4700uH

0.4ADC-2.5ADC

20.0-550.0

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Premo PC

PC

2x1.8mH-2x47mH

0.3ADC-10.0ADC

2x1.25-2x975.0

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Premo PM

PM

2x0.5mH-2x50mH

0.4ADC-6.3ADC

2x13.0-2x1200.0

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Premo LF

LF

1.0mH-50mH

0.3ADC-5.0ADC

0.04-2.0

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Premo ET UT

ET/UT

0.6mH-68mH

0.4ADC-4.0ADC

0.05-2.3

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Description

Image

Series

Inductance
Range

Current
Rating

DCR
(Ohms)

Specs

Common Mode Chokes

Premo HFEF

HFEF(RH)

10uH-200uH

0.6ADC-2.0ADC

50.0-150.0

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Description

Image

Series

Inductance
Range

Hi Pot Isolation

DCR
(Ohms)

Specs

Common Mode Chokes

Premo HFEF

HFEF(UV/UH)

1.0mH-43mH

2500V

1.0-14.5

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