Introduction of EMI Filters
Insertion Loss
Sensitive CurrentHow to Test Leakage Current
Withstand Voltage
How to Mount EMI Filters

EMI Filters

EMI filters provided by FILTEMC are designed according to CCITT international standard, 005ITT 15101-84, 08.03, 《Test Standards of Filter, NetworkDelay Line》and UL1283《Electromagnetic Interference Filters》. EMI filters are passive low-pass filters composed of passive components (L, C, R) ,are basedthe theory of impedance mismatch between filterinput end. With a filtering range between 10KHz30MHz, filters supplied by FILTEMC can effectively suppress the electromagnetic interference along power lines.

Surge Suppression Filters

Surge suppression filters have both surgefiltering function. Surge class conforms to GB/T 17626.5-2008 / IEC61000-4-5:2005 Standard. Compactstructure, cost-effective, safe, convenient,more reliable.

Pulse Group Series Filters

Pulse series filters are speciallydesigned to suppress fasttransient pulseinterferencebasedthe principle that absorptionreflection are complementary to each other. Benefit from advanced designed methodmany years practical experienceEMC field, FTES1 series filters provided by FILTEMC have excellent attenuation effect of fasttransient pulseinterference.Suitable for all kinds of household appliances, watt-hour meter, alarm equipment, electric testing equipment, fuel dispenserother civilian or military measuring or controlling device compliance with IEC-61000-4-4 or GB/T17626.4-1998 Standard.

EMC Products for Frequency Converter

Considerable interference signals generated at the inputoutput end of equipment because of the special operating principle of frequency converters. Filtemc has developed two series products to solve the EMC problem of frequency converter according to its interference characteristics, listed as 【Input/Output Filters】, 【Input/Output Reactors】.


The power filter produced by the company is designed according to CCITT International Standards, 005ITT 1501-84 ,08 .03, "Test Specification for Filters, NetworksDelay Lines"UL1283 "Electromagnetic Interference Filter". It is an passive filter composed of passive devices(L, C, R). It uses the impedance mismatch principle between the filterthe access end. The filter range is10KHz to 30MHz, which can effectively suppress electromagnetic interference transmitted along the power line.

High Frequency Absorption Components

High frequency absorption components can effectively suppress the interference25MHz to 1GHz, combining with common EMI filter, interference at broad frequency range 10KHZ~30MHZ~1GHZ could be attenuated. Thisof products can not only suppress the conducted interference of electronic equipment, but also the radiated interference. High frequency absorption components provided by FILTEMC include 【High Frequency EMI Suppression Ferrite Cores】, 【Three-terminal DC Filters】, PCB hole-through mounting or surface mounting optional, ultra-small dimensions, high performanceeasyfast installation.

Jinan Filtemc Electronic Equipment Co., Ltd   

Technical support:Guoxunkeji