{"id":10314,"date":"2026-07-09T12:08:07","date_gmt":"2026-07-09T12:08:07","guid":{"rendered":"https:\/\/materialparts.com\/f612jf104k100l\/"},"modified":"2026-07-09T12:08:07","modified_gmt":"2026-07-09T12:08:07","slug":"f612jf104k100l","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/f612jf104k100l\/","title":{"rendered":"F612JF104K100L"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The F612JF104K100L from KEMET is a 0.1\u00b5F 100V DC metallized polyester (MKT) stacked film capacitor with radial leads. The F612 series uses stacked metallized polyester film construction for DC and low-frequency AC applications requiring stable capacitance, low dissipation factor, and high insulation resistance. This capacitor is commonly used in analog signal coupling, timing circuits, and general-purpose DC applications.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u5236\u9020\u5546<\/td>\nKEMET (YAGEO Group)<\/td>\n<\/tr>\n
Capacitance<\/td>\n0.1 \u00b5F (100 nF)<\/td>\n<\/tr>\n
Voltage Rating<\/td>\n100V DC<\/td>\n<\/tr>\n
Dielectric<\/td>\nMetallized Polyester (MKT)<\/td>\n<\/tr>\n
Tolerance<\/td>\n\u00b110% (K)<\/td>\n<\/tr>\n
Dissipation Factor<\/td>\n\u2264 0.8% @ 1kHz, \u2264 1.2% @ 10kHz<\/td>\n<\/tr>\n
Insulation Resistance<\/td>\n\u2265 15 G\u03a9<\/td>\n<\/tr>\n
Max dV\/dt<\/td>\n200 V\/\u00b5s<\/td>\n<\/tr>\n
Inductance<\/td>\n6 nH (typical)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-55\u00b0C to +105\u00b0C (derated above +85\u00b0C)<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nRadial Lead, 5mm lead spacing, 7.2 x 6.5 x 2.5mm<\/td>\n<\/tr>\n
RoHS<\/td>\n\u7b26\u5408\u8981\u6c42<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 0.1\u00b5F 100V metallized polyester film capacitor<\/li>\n
  • F612 series MKT stacked film construction<\/li>\n
  • \u00b110% capacitance tolerance<\/li>\n
  • Low dissipation factor (\u2264 0.8% @ 1kHz)<\/li>\n
  • High insulation resistance (\u2265 15 G\u03a9)<\/li>\n
  • Self-healing metallized film technology<\/li>\n
  • Radial lead, 5mm pitch for through-hole mounting<\/li>\n
  • RoHS compliant<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Analog signal coupling and DC blocking<\/li>\n
    • RC timing circuits and oscillators<\/li>\n
    • Active filter networks<\/li>\n
    • Snubber circuits for low-power switching<\/li>\n
    • General-purpose DC applications<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The F612JF104K100L from KEMET is a 0.1\u00b5F 100V DC metallized polyester (MKT) stacked film capacitor with radial leads. The F612 series uses stacked metallized polyester film construction for DC and low-frequency AC applications requiring stable capacitance, low dissipation factor, and high insulation resistance. This capacitor is commonly used in analog signal coupling, timing […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[1567,1566],"chip_brand":[402],"class_list":["post-10314","post","type-post","status-publish","format-standard","hentry","category-capacitors","tag-f612","tag-f612jf104k100l","chip_brand-kemet"],"acf":{"brief_explanation":"KEMET 0.1\u00b5F 100V F612 metallized polyester stacked film capacitor, \u00b110%, radial lead 5mm, -55 to +105\u00b0C","date_code":"","package_case":"Radial Lead, 5mm pitch (7.2 x 6.5 x 2.5mm)","in_stock":10520,"datasheet":"https:\/\/www.kemet.com\/en\/us\/capacitors\/product\/f612.html","price":"","product_introduction":"The F612JF104K100L from KEMET is a 0.1\u00b5F 100V DC metallized polyester (MKT) stacked film capacitor with radial leads on 5mm pitch. The F612 series uses a stacked construction where multiple metallized polyester film layers are pressed together and encapsulated, providing a compact through-hole film capacitor with excellent electrical characteristics. The metallized polyester dielectric offers a good balance of dielectric constant (\u03b5r \u2248 3.3), dissipation factor, and cost for general-purpose DC and low-frequency AC applications. The self-healing property of metallized film ensures that any localized dielectric breakdown is cleared by the evaporation of the thin metal layer around the fault, isolating the defect and maintaining capacitor functionality.","working_principle":"The F612JF104K100L operates as a metallized polyester film capacitor using the self-healing mechanism inherent to metallized film construction. The polyester (polyethylene terephthalate, PET) dielectric film is approximately 3-5\u00b5m thick, with a thin aluminum or zinc metallization (20-50nm) vacuum-deposited on one surface. When a dielectric defect or overvoltage event causes a localized breakdown, the arc current rapidly heats and evaporates the thin metallization in a small zone around the breakdown point (typically 1-3mm diameter), clearing the short circuit and restoring the capacitor's insulation. This self-healing process produces a small, brief voltage transient but does not significantly affect the overall capacitance or performance of the capacitor. The stacked construction provides lower inductance (6nH typical) compared to wound film capacitors, making the F612 suitable for higher-frequency applications.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>Lead 1<\/td>Passive<\/td>One electrode; non-polar, either lead can be positive<\/td><\/tr>
      2<\/td>Lead 2<\/td>Passive<\/td>Other electrode; 5mm lead spacing from Lead 1<\/td><\/tr><\/table>","application_scenarios":"
      • Signal Coupling:<\/strong> AC coupling between analog circuit stages where film capacitor stability and low distortion are preferred over ceramic alternatives.<\/li>
      • RC Timing:<\/strong> Precision RC timing circuits where the stable 0.1\u00b5F value and low dissipation factor ensure timing accuracy.<\/li>
      • Active Filters:<\/strong> Sallen-Key and multiple-feedback active filter networks where polyester's predictable characteristics enable accurate filter response.<\/li>
      • Snubber:<\/strong> Low-power snubber networks for relay and switch contact protection where 100V rating provides margin.<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Cap<\/th>Volt<\/th>Notes<\/th><\/tr>
        WIMA<\/td>MKS2C041001F00KSSD<\/td>0.1\u00b5F<\/td>100V<\/td>Polyester film equivalent<\/td><\/tr>
        EPCOS<\/td>B32529C3104K<\/td>0.1\u00b5F<\/td>100V<\/td>PET film equivalent<\/td><\/tr>
        KEMET<\/td>F612JF104K63L<\/td>0.1\u00b5F<\/td>63V<\/td>Lower voltage alternative<\/td><\/tr>
        Panasonic<\/td>ECQ-E2104KF<\/td>0.1\u00b5F<\/td>100V<\/td>Mylar film equivalent<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/10314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=10314"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/10314\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=10314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=10314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=10314"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=10314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}