Part Number: EFS(05)-240X240
Manufacturer: YAGEO / KEMET ELECTRONICS
Country of Origin: JP
Unit of Measure: EA
ECCN: EAR99
Package Type: BLK
Datasheet: Download Datasheet
Product Overview
The KEMET FLEX SUPPRESSOR Noise Suppression Sheet is designed for high-frequency noise reduction generated by electronic devices. Its flexible polymer base, blended with micron-sized magnetic powders, provides effective electromagnetic wave and resonance suppression. The sheets are versatile, easily cut into various shapes and sizes, and suitable for a wide range of applications.
Key Features
Electromagnetic wave suppression by magnetic structure absorption
Resonance suppression through impedance control of high-frequency currents
Effective from MHz to GHz frequency ranges
Thin, flexible material ideal for portable equipment
RoHS compliant and halogen-free
Easy to cut and install, reducing assembly time
Suitable for radiation noise suppression in mobile phones, displays, cameras, notebooks, tablets, and automotive infotainment systems
Supports quasi-microwave interference prevention, ESD countermeasures, and enhanced wireless power transfer
Available in sheet and roll formats with various dimensions and thicknesses
Specifications
Series
Effective Frequency
Operating Temperature (°C)
Thickness (mm)
Standard Dimensions (mm)
Permeability (μ)
EFA, EFF4, EFS
MHz to GHz (up to 3 GHz)
-40 to +105 / +125
0.05 / 0.1 / 0.2 / 0.3
240 x 240 (sheet), 240 x 10m/20m/30m/50m (roll)
60 (EFA), 100 (EFF4), 140 (EFS)
Decoupling and Attenuation Characteristics
Frequency
Attenuation (dB)
Thickness (mm)
700 MHz
10 - 20
0.05 - 0.3
2.4 GHz
12 - 16
0.05 - 0.3
Additional Details
Specific Gravity: 3.1 to 3.8 (depending on series)
Thermal Conductivity: 1.10 to 1.55 W/m·K
Surface Resistivity: approximately 1.0 x 10^6 Ω/sq.
Reflow Temperature: Up to 260°C (special adhesive tape available upon request)
Environmental Compliance: RoHS, Halogen-Free, PVC-Free, Lead-Free, Red Phosphorus-Free
Note
For detailed specifications and application guidance, please refer to the datasheet. If additional information is required, search the internet for the part number EFS(05)-240X240 for more details.
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{"id":10002185158973,"title":"YAGEO \/ KEMET ELECTRONICS - EFS(05)-240X240","handle":"efs05-240x240","description":"\u003ch3\u003eYAGEO \/ KEMET ELECTRONICS EMI Gaskets Sheets Absorbers \u0026amp; Shielding EFS FLEX\u003c\/h3\u003e\n\u003cp\u003ePart Number: EFS(05)-240X240\u003cbr\u003e\nManufacturer: YAGEO \/ KEMET ELECTRONICS\u003cbr\u003e\nCountry of Origin: JP\u003cbr\u003e\nUnit of Measure: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: BLK\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/content.kemet.com\/datasheets\/KEM_FS8004_NSS.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe KEMET FLEX SUPPRESSOR Noise Suppression Sheet is designed for high-frequency noise reduction generated by electronic devices. Its flexible polymer base, blended with micron-sized magnetic powders, provides effective electromagnetic wave and resonance suppression. The sheets are versatile, easily cut into various shapes and sizes, and suitable for a wide range of applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eElectromagnetic wave suppression by magnetic structure absorption\u003c\/li\u003e\n \u003cli\u003eResonance suppression through impedance control of high-frequency currents\u003c\/li\u003e\n \u003cli\u003eEffective from MHz to GHz frequency ranges\u003c\/li\u003e\n \u003cli\u003eThin, flexible material ideal for portable equipment\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and halogen-free\u003c\/li\u003e\n \u003cli\u003eEasy to cut and install, reducing assembly time\u003c\/li\u003e\n \u003cli\u003eSuitable for radiation noise suppression in mobile phones, displays, cameras, notebooks, tablets, and automotive infotainment systems\u003c\/li\u003e\n \u003cli\u003eSupports quasi-microwave interference prevention, ESD countermeasures, and enhanced wireless power transfer\u003c\/li\u003e\n \u003cli\u003eAvailable in sheet and roll formats with various dimensions and thicknesses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n \u003cth\u003eSeries\u003c\/th\u003e\n \u003cth\u003eEffective Frequency\u003c\/th\u003e\n \u003cth\u003eOperating Temperature (°C)\u003c\/th\u003e\n \u003cth\u003eThickness (mm)\u003c\/th\u003e\n \u003cth\u003eStandard Dimensions (mm)\u003c\/th\u003e\n \u003cth\u003ePermeability (μ)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n \u003ctd\u003eEFA, EFF4, EFS\u003c\/td\u003e\n \u003ctd\u003eMHz to GHz (up to 3 GHz)\u003c\/td\u003e\n \u003ctd\u003e-40 to +105 \/ +125\u003c\/td\u003e\n \u003ctd\u003e0.05 \/ 0.1 \/ 0.2 \/ 0.3\u003c\/td\u003e\n \u003ctd\u003e240 x 240 (sheet), 240 x 10m\/20m\/30m\/50m (roll)\u003c\/td\u003e\n \u003ctd\u003e60 (EFA), 100 (EFF4), 140 (EFS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDecoupling and Attenuation Characteristics\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n \u003cth\u003eFrequency\u003c\/th\u003e\n \u003cth\u003eAttenuation (dB)\u003c\/th\u003e\n \u003cth\u003eThickness (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n \u003ctd\u003e700 MHz\u003c\/td\u003e\n \u003ctd\u003e10 - 20\u003c\/td\u003e\n \u003ctd\u003e0.05 - 0.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n \u003ctd\u003e2.4 GHz\u003c\/td\u003e\n \u003ctd\u003e12 - 16\u003c\/td\u003e\n \u003ctd\u003e0.05 - 0.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSpecific Gravity: 3.1 to 3.8 (depending on series)\u003c\/li\u003e\n \u003cli\u003eThermal Conductivity: 1.10 to 1.55 W\/m·K\u003c\/li\u003e\n \u003cli\u003eSurface Resistivity: approximately 1.0 x 10^6 Ω\/sq.\u003c\/li\u003e\n \u003cli\u003eReflow Temperature: Up to 260°C (special adhesive tape available upon request)\u003c\/li\u003e\n \u003cli\u003eApproved Standards: UL94 V-0 (EFA, EFF4), UL94 HB (FX5, EFX6, FW5)\u003c\/li\u003e\n \u003cli\u003eEnvironmental Compliance: RoHS, Halogen-Free, PVC-Free, Lead-Free, Red Phosphorus-Free\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application guidance, please refer to the \u003ca href=\"https:\/\/content.kemet.com\/datasheets\/KEM_FS8004_NSS.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. If additional information is required, search the internet for the part number EFS(05)-240X240 for more details.\u003c\/p\u003e","published_at":"2025-08-03T00:14:24+05:30","created_at":"2025-08-03T00:14:24+05:30","vendor":"Waldom Electonics","type":"","tags":["DIN","EMI","Shield","WLDM","YAGEO-KEME"],"price":1318400,"price_min":1318400,"price_max":1318400,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50546087985469,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"EFS(05)-240X240","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"YAGEO \/ KEMET ELECTRONICS - EFS(05)-240X240","public_title":null,"options":["Default Title"],"price":1318400,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"EFS(05)-240X240","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/50868012.jpg?v=1754160265"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/50868012.jpg?v=1754160265","options":["Title"],"media":[{"alt":null,"id":45639431684413,"position":1,"preview_image":{"aspect_ratio":1.0,"height":640,"width":640,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/50868012.jpg?v=1754160265"},"aspect_ratio":1.0,"height":640,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/50868012.jpg?v=1754160265","width":640}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eYAGEO \/ KEMET ELECTRONICS EMI Gaskets Sheets Absorbers \u0026amp; Shielding EFS FLEX\u003c\/h3\u003e\n\u003cp\u003ePart Number: EFS(05)-240X240\u003cbr\u003e\nManufacturer: YAGEO \/ KEMET ELECTRONICS\u003cbr\u003e\nCountry of Origin: JP\u003cbr\u003e\nUnit of Measure: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: BLK\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/content.kemet.com\/datasheets\/KEM_FS8004_NSS.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe KEMET FLEX SUPPRESSOR Noise Suppression Sheet is designed for high-frequency noise reduction generated by electronic devices. Its flexible polymer base, blended with micron-sized magnetic powders, provides effective electromagnetic wave and resonance suppression. The sheets are versatile, easily cut into various shapes and sizes, and suitable for a wide range of applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eElectromagnetic wave suppression by magnetic structure absorption\u003c\/li\u003e\n \u003cli\u003eResonance suppression through impedance control of high-frequency currents\u003c\/li\u003e\n \u003cli\u003eEffective from MHz to GHz frequency ranges\u003c\/li\u003e\n \u003cli\u003eThin, flexible material ideal for portable equipment\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and halogen-free\u003c\/li\u003e\n \u003cli\u003eEasy to cut and install, reducing assembly time\u003c\/li\u003e\n \u003cli\u003eSuitable for radiation noise suppression in mobile phones, displays, cameras, notebooks, tablets, and automotive infotainment systems\u003c\/li\u003e\n \u003cli\u003eSupports quasi-microwave interference prevention, ESD countermeasures, and enhanced wireless power transfer\u003c\/li\u003e\n \u003cli\u003eAvailable in sheet and roll formats with various dimensions and thicknesses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n \u003cth\u003eSeries\u003c\/th\u003e\n \u003cth\u003eEffective Frequency\u003c\/th\u003e\n \u003cth\u003eOperating Temperature (°C)\u003c\/th\u003e\n \u003cth\u003eThickness (mm)\u003c\/th\u003e\n \u003cth\u003eStandard Dimensions (mm)\u003c\/th\u003e\n \u003cth\u003ePermeability (μ)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n \u003ctd\u003eEFA, EFF4, EFS\u003c\/td\u003e\n \u003ctd\u003eMHz to GHz (up to 3 GHz)\u003c\/td\u003e\n \u003ctd\u003e-40 to +105 \/ +125\u003c\/td\u003e\n \u003ctd\u003e0.05 \/ 0.1 \/ 0.2 \/ 0.3\u003c\/td\u003e\n \u003ctd\u003e240 x 240 (sheet), 240 x 10m\/20m\/30m\/50m (roll)\u003c\/td\u003e\n \u003ctd\u003e60 (EFA), 100 (EFF4), 140 (EFS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDecoupling and Attenuation Characteristics\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n \u003cth\u003eFrequency\u003c\/th\u003e\n \u003cth\u003eAttenuation (dB)\u003c\/th\u003e\n \u003cth\u003eThickness (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n \u003ctd\u003e700 MHz\u003c\/td\u003e\n \u003ctd\u003e10 - 20\u003c\/td\u003e\n \u003ctd\u003e0.05 - 0.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n \u003ctd\u003e2.4 GHz\u003c\/td\u003e\n \u003ctd\u003e12 - 16\u003c\/td\u003e\n \u003ctd\u003e0.05 - 0.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSpecific Gravity: 3.1 to 3.8 (depending on series)\u003c\/li\u003e\n \u003cli\u003eThermal Conductivity: 1.10 to 1.55 W\/m·K\u003c\/li\u003e\n \u003cli\u003eSurface Resistivity: approximately 1.0 x 10^6 Ω\/sq.\u003c\/li\u003e\n \u003cli\u003eReflow Temperature: Up to 260°C (special adhesive tape available upon request)\u003c\/li\u003e\n \u003cli\u003eApproved Standards: UL94 V-0 (EFA, EFF4), UL94 HB (FX5, EFX6, FW5)\u003c\/li\u003e\n \u003cli\u003eEnvironmental Compliance: RoHS, Halogen-Free, PVC-Free, Lead-Free, Red Phosphorus-Free\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNote\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application guidance, please refer to the \u003ca href=\"https:\/\/content.kemet.com\/datasheets\/KEM_FS8004_NSS.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. If additional information is required, search the internet for the part number EFS(05)-240X240 for more details.\u003c\/p\u003e"}
