EMC Auxiliary Device
![](http://johnsontec.com.tw/images/editor-content/6e566f61b791754acd0f6583ac202a5e_EMC.png)
- Compact size, cost-effective
- Operating temperature: -40~85℃
- Attenuation rate down to 20dB
- Optional mounting
EMC filters are used to enhance the EMC performance in the applications with power converters.
![](http://johnsontec.com.tw/images/editor-content/cc8df208a958c769da3cbb780d7253cf_surge.png)
- Compact size, cost-effective
- Low temperature rise
- Attenuation rate down to 30dB
- Optional mounting
The surge suppressor is used to enhance the surge susceptibility characteristics in the applications with DC/DC converters.
![](http://johnsontec.com.tw/images/editor-content/85b4944f4dd561bf0dd554c19e7d5831_EMI.png)
- Compact size, cost-effective
- Operating temperature: -40~85℃
- Low temperature rise
- Optional mounting
This series feature compact size which can effectively ,and can match with MORNSUN DC/DC converter. Besides, they offer optional packages, such as PCB mounting, chassis mounting, DIN-Rail mounting and etc
![](http://johnsontec.com.tw/images/editor-content/85b4944f4dd561bf0dd554c19e7d5831_EMI.png)
- Compact size, cost-effective
- Operating temperature: -40~85℃
- Attenuation rate: 20dB
- Optional mounting
This series feature compact size and cost effective, and are suitable for analog circuit which is noise-sensitive and can greatly improve its EMI performance
![](http://johnsontec.com.tw/images/editor-content/8913a60e2664a1879fdd0d3d23aec3e0_filter.png)
- Compact size, cost-effective
- Low temperature rise
- Operating temperature: -40~85℃
This range of simple common mode chokes are available in a large range of different values and are designed to enhance the EMC/EMI performance of your circuit. They are compact in size with through hole mounting.