{"id":3659,"date":"2026-06-07T13:03:37","date_gmt":"2026-06-07T13:03:37","guid":{"rendered":"https:\/\/materialparts.com\/bnx028-01l\/"},"modified":"2026-06-07T13:03:37","modified_gmt":"2026-06-07T13:03:37","slug":"bnx028-01l","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/bnx028-01l\/","title":{"rendered":"BNX028-01L"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The BNX028-01L from Murata is a compact board-level EMI filter designed for DC power line noise suppression. Combining a ferrite bead and capacitor in a single 5.5 x 4.3mm block package, it provides broad-band noise attenuation from 1MHz to 1GHz for automotive and industrial power supply filtering.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n
\u0627\u0644\u0646\u0648\u0639<\/td>\nEMI Filter (Ferrite Bead + Capacitor)<\/td>\n<\/tr>\n
Rated Current<\/td>\n6 A<\/td>\n<\/tr>\n
Rated Voltage<\/td>\n25 VDC<\/td>\n<\/tr>\n
DC Resistance<\/td>\n8 mOhm (max)<\/td>\n<\/tr>\n
Capacitance<\/td>\n0.1 uF (integrated)<\/td>\n<\/tr>\n
Impedance @ 100MHz<\/td>\n200 Ohm (typ)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40 to +125 C<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nBlock (5.5 x 4.3 x 2.8 mm)<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Integrated ferrite bead and capacitor EMI filter<\/li>\n
  • 6A high current rating<\/li>\n
  • 25VDC rated voltage<\/li>\n
  • 8mOhm max DC resistance for low voltage drop<\/li>\n
  • 0.1uF integrated capacitor<\/li>\n
  • 200 Ohm impedance at 100MHz<\/li>\n
  • Broad-band noise suppression 1MHz to 1GHz<\/li>\n
  • Automotive-grade reliability<\/li>\n
  • Compact block package<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Automotive DC power line EMI suppression<\/li>\n
    • Industrial equipment power filtering<\/li>\n
    • Switching power supply noise filtering<\/li>\n
    • Motor driver power line filtering<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The BNX028-01L from Murata is a compact board-level EMI filter designed for DC power line noise suppression. Combining a ferrite bead and capacitor in a single 5.5 x 4.3mm block package, it provides broad-band noise attenuation from 1MHz to 1GHz for automotive and industrial power supply filtering. Key Specifications Type EMI Filter (Ferrite […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[202],"class_list":["post-3659","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-murata"],"acf":{"brief_explanation":"EMI filter block, 6A 25V, ferrite+0.1uF cap, 8mOhm DCR, 5.5x4.3mm","date_code":"","package_case":"Block (5.5 x 4.3 x 2.8 mm)","in_stock":6945,"datasheet":"https:\/\/www.murata.com\/en-us\/products\/productdetail?partno=BNX028-01L","price":"$1.20 @ 1ku","product_introduction":"The BNX028-01L from Murata is a board-level EMI filter combining a ferrite bead element and a 0.1uF capacitor in a single compact 5.5 x 4.3 x 2.8mm block package. The 01L suffix indicates the specific capacitance and voltage rating. With 6A rated current, 25VDC voltage rating, and only 8mOhm maximum DC resistance, it provides effective broad-band noise suppression from 1MHz to 1GHz on DC power lines without significant voltage drop. The integrated design replaces discrete ferrite bead + capacitor combinations, reducing component count and improving consistency.","working_principle":"The BNX028-01L operates through two complementary noise suppression mechanisms: (1) Ferrite Bead Element: The series ferrite bead presents high impedance to high-frequency noise (200 Ohm at 100MHz) while passing DC and low-frequency signals with minimal resistance (8mOhm max). The ferrite material converts high-frequency noise energy into heat through magnetic hysteresis losses. (2) Shunt Capacitor: The integrated 0.1uF capacitor provides a low-impedance path to ground for high-frequency noise that passes through the ferrite element, forming an LC low-pass filter network. The combination of series impedance (ferrite) and shunt bypass (capacitor) creates a 2-stage EMI filter that achieves higher attenuation than either element alone, with broad-band effectiveness from 1MHz to 1GHz.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>
      1<\/td>IN<\/td>Power<\/td>Power line input (noisy side)<\/td><\/tr>
      2<\/td>GND<\/td>Ground<\/td>Ground connection (for capacitor)<\/td><\/tr>
      3<\/td>OUT<\/td>Power<\/td>Filtered output (clean side)<\/td><\/tr><\/table>","application_scenarios":"
      • Automotive ECU DC power input filtering with 6A current and -40 to +125C range<\/li>
      • Switching power supply output noise suppression with 200 Ohm @ 100MHz impedance<\/li>
      • Motor driver power line EMI filtering in compact 5.5x4.3mm footprint<\/li>
      • Industrial PLC power supply filtering replacing discrete ferrite + capacitor combo<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Current<\/th>DCR<\/th>Notes<\/th><\/tr>
        BNX025-01L<\/td>Murata<\/td>8A<\/td>5mOhm<\/td>Higher current<\/td><\/tr>
        BNX022-01L<\/td>Murata<\/td>10A<\/td>3mOhm<\/td>Even higher current<\/td><\/tr>
        DLP11SN900HL2<\/td>Murata<\/td>N\/A<\/td>N\/A<\/td>Common-mode choke<\/td><\/tr>
        NFM3DCC222R3H3<\/td>Murata<\/td>2A<\/td>25mOhm<\/td>Lower current filter<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3659","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=3659"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/3659\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=3659"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=3659"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=3659"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=3659"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}