At Kohsel we make custom designed bobbins and also ferrit cores. We use different types of cores and spools and below is the most used types of cores and bobbins. For all types of cores and bobbins there are links to our suppliers to ensure easy access to the latest updated technical information directly from our suppliers of cores and bobbins.

We have inhouse coregrinding for special gapping. Watch a video about the process here

Please contact us for custom designed bobbins and ferrite cores. 





Our preferred suppliers

(with links to homepages) 

Palle Brodersen






 
Design-inqueries 

Palle Brodersen
Technical Manager
Tel. +45 5373 3404  
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E/EF Ferrite

E EF 600px

Cores     Bobbins   
Ferroxcube    Ferroxcube  
Epcos Epcos
Cosmo  Pinshine 
Acme  TPI 
NIcera  Weisser 
Samwha   
JFE   

EFD Ferrite

EFD Ferrit transformer

Cores     Bobbins   
Ferroxcube    Ferroxcube  
Epcos Epcos
Cosmo  Pinshine 
Acme  TPI 
NIcera  Weisser 
Samwha   
JFE   

ER/EER Ferrite

ER 600px

Cores     Bobbins   
Ferroxcube    Ferroxcube  
Epcos Epcos
Cosmo  Pinshine 
Acme  TPI 
NIcera   
Samwha   
JFE   

ETD Ferrite

ETD 600px 

Cores     Bobbins   
Ferroxcube    Ferroxcube  
Epcos Epcos
Cosmo  Pinshine 
JFE  TPI 
NIcera  Weisser 
Samwha  Miles Platts 
  Norwe 

P Ferrite

P 600px

Cores     Bobbins   
Ferroxcube    Ferroxcube  
Epcos Epcos
Cosmo  Pinshine 
Acme  TPI 
NIcera   
Samwha   
   

PQ Ferrite

PQ 600px

Cores     Bobbins   
Ferroxcube    Ferroxcube  
Epcos Epcos
Cosmo  Pinshine 
Acme  TPI 
NIcera   
Samwha   
   

RM Ferrite

EER 600px

Cores     Bobbins   
Ferroxcube    Ferroxcube  
Epcos Epcos
Cosmo  Pinshine 
Acme  TPI 
NIcera  Weisser 
Samwha   
JFE   

Toroid Ferrite

Ringkerne 600px

Cores     Bobbins   
Ferroxcube    Ferroxcube  
Epcos TPI
Cosmo  Pinshine 
Acme   
NIcera   
Samwha   
JFE   

UU Ferrite

UU 600px

Cores     Bobbins   
Ferroxcube    Ferroxcube  
Epcos Pinshine
Cosmo  TPI 
Acme   
NIcera   
Samwha   
JFE