[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-561083-105":59,"doc-detail-561083-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","emifilr-chip-ferrite-bead-data-sheet","EMIFILr - Chip Ferrite Bead - Data Sheet","","Chip ferrite beads in the EMIFILr indutor-type family are specified for noise suppression in general electronics. The datasheet lists BLM31P series (1206 size) part numbers with impedance at 100MHz and 1GHz, rated current, DC resistance, and operating temperature range. It also provides packaging options and minimum quantities, plus equivalent-circuit notes and high-frequency behavior. Additional sections include rated-current derating versus temperature and impedance–frequency characteristics for selected values, along with cautions on current rating and solderability.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/emifilr-chip-ferrite-bead-data-sheet/561083/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/emifilr-chip-ferrite-bead-data-sheet/561083.png","ImageObject",300,407,{"name":92,"@type":93},"Stanley","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-24","2026-10-12",true,{"@type":102,"interactionType":103,"userInteractionCount":29},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What are the key electrical parameters provided for BLM31P series chip ferrite beads?","Question",{"text":112,"@type":113},"The datasheet provides impedance at 100MHz and 1GHz, rated current, DC resistance, and the operating temperature range for each part number.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How is rated current handled when operating temperature exceeds +85°C?",{"text":117,"@type":113},"A derating of rated current is required above +85°C, and the datasheet instructs using the provided derating curve according to the operating temperature.",{"name":119,"@type":110,"acceptedAnswer":120},"What cautions apply to using these chip ferrite beads?",{"text":121,"@type":113},"The datasheet warns not to exceed the rated current to avoid excessive heat and insulation deterioration, and it notes that solderability of the tin-plated termination chip may degrade with low-temperature soldering profiles.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},561083,1792036692,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":29,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":39},2336477405376,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","Noise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead  \n\n| Data Sheet 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| EMIFILr (Inductor type) Chip Ferrite Bead |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| BLM31P Series (1206 Size) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| c Dimensions\u003Cbr>\u003Cbr>c Equivalent Circuit\u003Cbr>\u003Cbr>(Resistance element becomes dominant at high frequencies.)\u003Cbr>c Packaging\u003Cbr>Code Packaging Minimum Quantity L 180mm Embossed Tape 3000 K 330mm Embossed Tape 10000 B Bulk(Bag) 1000\u003Cbr>c Rated Value (p: packaging code) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| Part Number |  |  |  | Impedance\u003Cbr>(at 100MHz/20°C) |  |  |  |  |  |  | Impedance\u003Cbr>(at 1GHz/20°C) |  | Rated Current |  | DC Resistance |  | Operating Temperature Range |  |\n| BLM31PG330SN1p 33ohm ±25% - 6000mA 0.009ohm max. -55 to +125°C BLM31PG500SN1p 50ohm (Typ.) - 3500mA 0.015ohm max. -55 to +125°C BLM31PG121SN1p 120ohm ±25% - 3500mA 0.02ohm max. -55 to +125°C BLM31PG391SN1p 390ohm ±25% - 2000mA 0.05ohm max. -55 to +125°C BLM31PG601SN1p 600ohm ±25% - 1500mA 0.08ohm max. -55 to +125°C\u003Cbr>Number of Circuits: 1\u003Cbr>Continued on the following page.  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| \u003Cbr> oThis data sheet is applied for CHIP FERRITE BEAD used for General Electronics equipment for your design\u003Cbr>\u003Cbr>|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| !Note:\u003Cbr>1. This datasheet is downloaded from the website of Murata Manufacturing co. , ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering.\u003Cbr>2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our productspecifications or transact the approval sheet for product specifications before ordering. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n\n2012.9.6  \n[http://www.murata.com/](http://www.murata.com/)  \nNoise Suppression Products/EMI Suppression Filters > EMIFILr (Inductor type) > Chip Ferrite Bead  \n\n| Data Sheet 2 |  |  |  |  |\n| --- | --- | --- | --- | --- |\n|  Continued from the preceding page.\u003Cbr>c Derating of Rated Current\u003Cbr>In operating temperature exceeding +85°C, derating of current is necessary for BLM31PG series.\u003Cbr>Please apply the derating curve shown in chart according to the operating\u003Cbr>temperature.\u003Cbr>Derating of Rated Current\u003Cbr>\u003Cbr>Rated Current (mA)\u003Cbr>\u003Cbr>6000\u003Cbr>3500\u003Cbr>200015001000\u003Cbr>00\u003Cbr>\u003Cbr>85 125\u003Cbr>Operating Temperature (°C) |  |  |  |  |\n| c Impedance-Frequency Characteristics (Main Items) |  |  | c Impedance-Frequency Characteristics\u003Cbr>BLM31PG330SN1 |  |\n| Impedance (Ω) | 800\u003Cbr>600\u003Cbr>400\u003Cbr>200\u003Cbr>0 | \u003Cbr>|  |  |\n|  |  |  | Impedance (Ω) | 50\u003Cbr>40\u003Cbr>30\u003Cbr>20\u003Cbr>10\u003Cbr>01\u003Cbr>|\n|  |  |  |  | Frequency (MHz) |\n| 1 10 100 1000 3000 Frequency (MHz) |  |  |  |  |\n| Continued on the following page.  |  |  |  |  |\n| \u003Cbr>oThis data sheet is applied for CHIP FERRITE BEAD used for General Electronics equipment for your design. |  |  |  |  |\n| !Note:\u003Cbr>1. This datasheet is downloaded from the website of Murata Manufacturing co. , ltd. Therefore, it’s specifications are subject to change or our products in it may be discontinued without advance notice. Please check with our sales representatives or product engineers before ordering.\u003Cbr>2. This datasheet has only typical specifications because there is no space for detailed specifications. Therefore, please approve our productspecifications or transact the approval sheet for product specifications before ordering. |  |  |  |  |\n\n2012.9.6  \n[http://www.murata.com/](http://www.murata.com/)  \nNoise Suppression Prod","cbCaimvqu8UW4kRz","https://ap.wps.com/l/cbCaimvqu8UW4kRz","pdf",102249,"English","# Overview\n## Electrical and Mechanical Parameters\n## Packaging and Rated Values\n## Derating and Impedance-Frequency Curves\n## Cautions and Notices","[{\"question\":\"What are the key electrical parameters provided for BLM31P series chip ferrite beads?\",\"answer\":\"The datasheet provides impedance at 100MHz and 1GHz, rated current, DC resistance, and the operating temperature range for each part number.\"},{\"question\":\"How is rated current handled when operating temperature exceeds +85°C?\",\"answer\":\"A derating of rated current is required above +85°C, and the datasheet instructs using the provided derating curve according to the operating temperature.\"},{\"question\":\"What cautions apply to using these chip ferrite beads?\",\"answer\":\"The datasheet warns not to exceed the rated current to avoid excessive heat and insulation deterioration, and it notes that solderability of the tin-plated termination chip may degrade with low-temperature soldering profiles.\"}]","EMIFILr - Chip Ferrite Bead - Data Sheet | PDF",1791804962]