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Common-mode current choke

Common-mode current choke

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Noise suppression by CMCC
 Example
CMCC isolation
 Insertion LOSS of CMCC
 KIT Assembling
 CMCC assembled
 CMCC construction
 Article
Product details


Noise suppression by CMCC

Common-mode current choke (CMCC) coils work as a simple wire against differential mode current (signal), while they work as an inductor against common mode current (noise).



effect of common-mode current choke cmcc by qro.cz hamparts.shop



example of installation

example of installation common-mode current choke cmcc by qro.cz hamparts.shop



example of right configuration with Single wire beverage BOG

example of right configuration cmcc by qro.cz hamparts.shop




Example - measure by Nils DK8OK

common-mode current choke cmcc qro.cz hamparts.shop




CMCC isolation

- for 50 Ohm RG-316 coax cable 10 turns

1 to 50 MHz

measurement common-mode current choke cmcc qro.cz hamparts.shop

0.1 to 2.5 MHz

measurement common-mode current choke cmcc qro.cz hamparts.shop


Insertion LOSS of CMCC

- for 50 Ohm RG-316 coax cable 10 turns



common-mode current choke cmcc qro.cz hamparts.shop

KIT Assembling

1-PORT version with PL SO-239 connector

common-mode current choke cmcc qro.cz hamparts.shop



1-PORT version with F connector

common-mode current choke cmcc qro.cz hamparts.shop



2-PORT version with PL SO-239 connector

common-mode current choke cmcc qro.cz hamparts.shop



2-PORT version with F connector

common-mode current choke cmcc qro.cz hamparts.shop



3-PORT version with PL SO-239 connector

common-mode current choke cmcc qro.cz hamparts.shop



3-PORT version with F connector

common-mode current choke cmcc qro.cz hamparts.shop



cmcc manual qro.cz hamparts.shop


cmcc manual qro.cz hamparts.shop



cmcc manual qro.cz hamparts.shop



cmcc manual qro.cz hamparts.shop



cmcc manual qro.cz hamparts.shop



cmcc manual qro.cz hamparts.shop



cmcc manual qro.cz hamparts.shop



cmcc manual qro.cz hamparts.shop



cmcc manual qro.cz hamparts.shop



cmcc manual qro.cz hamparts.shop



cmcc manual qro.cz hamparts.shop



cmcc manual qro.cz hamparts.shop



f connectors with pcb qro.cz hamparts.shop



f connectors with pcb qro.cz hamparts.shop



cmcc manual qro.cz hamparts.shop



cmcc manual qro.cz hamparts.shop



CMCC Assembled

assembled 1-PORT version with PL SO-239 connector

assembled common-mode current choke cmcc 1c pl so-239 qro.cz hamparts.shop



assembled 1-PORT version with F connector

assembled common-mode current choke cmcc 1c f qro.cz hamparts.shop



assembled 2-PORT version with PL SO-239 connectors

assembled common-mode current choke cmcc 2c pl so-239 qro.cz hamparts.shop



assembled 2-PORT version with F connectors

assembled common-mode current choke cmcc 2c f qro.cz hamparts.shop



assembled 3-PORT version with PL SO-239 connectors

assembled common-mode current choke cmcc 3c pl so-239 qro.cz hamparts.shop



assembled 3-PORT version with F connectors

assembled common-mode current choke cmcc 3c f qro.cz hamparts.shop



CMCC construction

- common-mode current choke construction
- wind 5 to 5 turns on one side then cross to another side of the cores and wind rest turns.

common-mode current choke cmcc qro.cz hamparts.shop



common-mode current choke cmcc qro.cz hamparts.shop



common-mode current choke cmcc qro.cz hamparts.shop




Article

ℹ   Read article from Chuck Counselman, W1HIS and article How Common-mode chokes work by Würth Elektronik.




Product details

Included in package

CMCC assembled and tested or all parts for KIT version

Box dimensions (mm) - 1 PORT CMCC 100x100x50 -PU box IP56
Weight brutto (kg) - 1 PORT CMCC 0.31 to 0.37 kg
Box dimensions (mm) - 2 PORT CMCC 100x100x50 - PU box IP56
Weight brutto (kg) - 2 PORT CMCC 0.42 to 0.49 kg
Box dimensions (mm) - 3 PORT CMCC 150x110x70 - PU box IP56
Weight brutto (kg) - 3 PORT CMCC 0.6 to 0.73 kg

Manufacturer:

Ing. Jan Šustr
ID 05476356, VAT CZ8407024780
Palachova 1777/7, 591 01 Žďár nad Sázavou, Czech republic, Europe

General instructions:

Please also read general instructions before handling the product.

European Union Declaration of Conformity

Manufacturer Ing. Jan Šustr (QRO.cz):

ID 05476356, VAT CZ8407024780
Palachova 1777/7, 591 01 Žďár nad Sázavou, Czech republic, Europe

declares that the assembled product:

CMCC 1C/2C/3C

is compatible with the relevant Union harmonisation legislation directives:
EMC Directive 2014/30/EU
ČSN EN 61000-6-3 ed. 2
ČSN EN 61000-6-1 ed. 2 (333432)

On behalf of Ing. Jan Šustr (QRO.cz)
Ing. Jan Šustr, CEO
1st January 2023

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