{"id":6890,"date":"2026-06-22T01:57:05","date_gmt":"2026-06-22T01:57:05","guid":{"rendered":"https:\/\/materialparts.com\/bar43sfilm\/"},"modified":"2026-06-22T01:57:05","modified_gmt":"2026-06-22T01:57:05","slug":"bar43sfilm","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/bar43sfilm\/","title":{"rendered":"BAR43SFILM"},"content":{"rendered":"

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

The BAR43SFILM from Infineon Technologies is a silicon Schottky diode with 30V reverse voltage, 100mA forward current, and low forward voltage in an SOD-323 surface mount package.<\/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\n
\u0627\u0644\u0646\u0648\u0639<\/td>\nSilicon Schottky Diode (Single)<\/td>\n<\/tr>\n
Peak Reverse Voltage (VRRM)<\/td>\n30 V<\/td>\n<\/tr>\n
Forward Current (IF)<\/td>\n100 mA (continuous)<\/td>\n<\/tr>\n
Forward Voltage (VF)<\/td>\n340 mV (typical) @ IF=1mA<\/td>\n<\/tr>\n
Reverse Leakage (IR)<\/td>\n2 uA (max) @ VR=25V<\/td>\n<\/tr>\n
Junction Capacitance<\/td>\n1.0 pF (typical) @ VR=0V<\/td>\n<\/tr>\n
Total Power Dissipation<\/td>\n250 mW<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nSOD-323 (SC-76)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-65C to +150C<\/td>\n<\/tr>\n<\/table>\n

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    \n
  • 30V Schottky barrier diode<\/li>\n
  • Low forward voltage: 340 mV typical @ 1mA<\/li>\n
  • Low junction capacitance: 1.0 pF<\/li>\n
  • SOD-323 compact surface mount package<\/li>\n
  • FILM suffix indicates Infineon thin-film process version<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • RF detection and mixing<\/li>\n
    • High-frequency signal rectification<\/li>\n
    • Low-voltage OR-ing<\/li>\n
    • Reverse polarity protection<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The BAR43SFILM from Infineon Technologies is a silicon Schottky diode with 30V reverse voltage, 100mA forward current, and low forward voltage in an SOD-323 surface mount package. Key Specifications Type Silicon Schottky Diode (Single) Peak Reverse Voltage (VRRM) 30 V Forward Current (IF) 100 mA (continuous) Forward Voltage (VF) 340 mV (typical) @ […]<\/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":[19,13],"tags":[],"chip_brand":[173],"class_list":["post-6890","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-infineon"],"acf":{"brief_explanation":"Schottky Diode, 30V 100mA, 340mV VF, SOD-323","date_code":"","package_case":"SOD-323 (1.7 x 1.25 x 0.95 mm)","in_stock":5678,"datasheet":"https:\/\/www.infineon.com\/dgdl\/Infineon-BAR43-DS-v01_01-en.pdf","price":"$0.05 @ 1ku","product_introduction":"The BAR43SFILM from Infineon Technologies is a silicon Schottky barrier diode in a compact SOD-323 surface mount package. The 30V reverse voltage and 100mA forward current ratings make it suitable for low-voltage signal rectification, RF detection, and mixing applications. The 340 mV typical forward voltage at 1mA provides efficient low-signal rectification with minimal voltage drop. The 1.0 pF junction capacitance at 0V bias is exceptionally low, preserving signal integrity in high-frequency circuits up to several GHz. The FILM suffix indicates this device is manufactured using Infineon's thin-film process technology, which provides improved consistency and reliability compared to standard planar Schottky diodes. The BAR43 series is widely used in RF and microwave applications.","working_principle":"The BAR43SFILM uses a metal-semiconductor (Schottky) junction formed by depositing a thin metal film (typically platinum silicide or titanium tungsten) on an N-type silicon substrate. Unlike a P-N junction diode, the Schottky junction is a majority-carrier device where electrons cross the barrier without minority carrier storage, resulting in near-zero reverse recovery time. The barrier height (approximately 0.5-0.6 eV for silicon Schottky diodes) determines the trade-off between forward voltage drop and reverse leakage current. The thin-film process (FILM) creates a very precise, uniform barrier with consistent electrical characteristics. The 340 mV VF at 1mA is lower than a silicon P-N junction (~600 mV) because the Schottky barrier height is lower. The 1.0 pF junction capacitance is determined by the small active junction area (approximately 0.01 mm^2) and the thin epitaxial layer.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>Anode<\/td>Terminal<\/td>Metal-side anode<\/td><\/tr>
      2<\/td>Cathode<\/td>Terminal<\/td>Semiconductor-side cathode<\/td><\/tr><\/table>","application_scenarios":"
      • RF signal detector in 2.4 GHz receiver with 1pF capacitance for minimal loading<\/li>
      • Low-voltage OR-ing diode for dual-battery power path with 340mV drop<\/li>
      • Mixer diode in superheterodyne receiver with fast switching<\/li>
      • Reverse polarity protection for 3.3V microcontroller supply rail<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Infineon<\/td>BAR43S-02LS<\/td>SOD-323<\/td>Same function, different process<\/td><\/tr>
        Nexperia<\/td>BAT54J,115<\/td>SOD-323<\/td>30V Schottky, similar class<\/td><\/tr>
        onsemi<\/td>BAT54S<\/td>SOT-23<\/td>30V dual Schottky, series config<\/td><\/tr>
        Diodes Inc<\/td>BAT54S-7-F<\/td>SOT-23<\/td>30V dual Schottky, series config<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6890","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=6890"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6890\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=6890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=6890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=6890"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=6890"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}