Cosel is one of the world's leading power supply manufacturers offering
high-quality, ultra small size AC-DC power supplies,
DC-DC converters of the state-of-the-art technologies, and effective and
easy-to-use noise filters.

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Noise Filters

Noise filters which play an important role in stabilizing systems by preventing conducted noises flowing into or out of power supplies.

SINGLE PHASE

ESC ESM ESP    
ESC  NEW ESM  NEW ESP  NEW    
AC250/DC250V
3 - 16A
Small,150kHz - 1MHz
attenuation type
Screwless terminal type
(1-Stage filter)
AC250/DC250V
3 - 16A
Small,Low leakage current type
Screwless terminal type
(1-Stage filter)
AC250/DC250V
3 - 16A
Small,High-voltage pulses
attenuation type
Screwless terminal type
(1-Stage filter)
   

EAC EAM EAP    
EAC  NEW EAM  NEW EAP  NEW    
AC250/DC250V
3 - 30A
Small,150kHz - 1MHz
attenuation type
(1-Stage filter)
AC250/DC250V
3 - 30A
Small,Low leakage current type
(1-Stage filter)
AC250/DC250V
3 - 30A
Small,High-voltage pulses
attenuation type
(1-Stage filter)
   

NAH NAC NAM NAP  
NAH NAC NAM NAP  
AC250/DC250V
6 - 30A
10kHz - 1MHz
Ultra high-attenuation type
(1-Stage filter)
AC250/DC250V
4 - 30A
150kHz - 1MHz
Ultra high-attenuation type
(1-Stage filter)
AC250/DC250V
4 - 30A
Low leakage current type
(1-Stage filter)
AC250/DC250V
4 - 30A
High-voltage pulses
high-attenuation type
(1-Stage filter)
 

NBH NBC NBM    
NBH NBC NBM    
AC250/DC250V
6 - 30A
10kHz - 10MHz
Ultra high-attenuation type
(2-Stage filter)
AC250/DC250V
6 - 30A
150kHz - 10MHz
Ultra high-attenuation type
(2-Stage filter)
AC250/DC250V
6 - 30A
Low leakage current type
(2-Stage filter)
   
 
THREE PHASE

TAH TAC TBC FTA FTB
TAH TAC TBC FTA  NEW FTB  NEW
Three-phase 500V
4 - 30A
10kHz - 1MHz
Ultra high-attenuation type
(1-Stage filter)
Three-phase 500V
4 - 300A
150kHz - 1MHz
General-purpose High-attenuation type
(1-Stage filter)
Three-phase 500V
50 - 300A
150kHz - 1MHz
High-attenuation type
(2-Stage filter)
Three-phase 500V
40 - 150A
150kHz - 1MHz
General-purpose High-attenuation type
(1-Stage filter)
Three-phase 500V
80 - 150A
150kHz - 1MHz
High-attenuation type
(2-Stage filter)

TSC        
TSC  NEW        
Three-phase Y-connection 500V
400/600A
Three phase input type
(Multi-Stage filter)
       
 
DC

SNR SNA      
SNR SNA      
DC50V
10(Peak20) A
Ripple noise attenuation
(1-Stage filter)
DC±50V
1 - 6A
Ripple noise attenuation
(1-Stage filter)
     
 

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