{"id":5516,"date":"2026-06-10T04:21:43","date_gmt":"2026-06-10T04:21:43","guid":{"rendered":"https:\/\/materialparts.com\/bat42w-7-f\/"},"modified":"2026-06-10T04:21:43","modified_gmt":"2026-06-10T04:21:43","slug":"bat42w-7-f","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/bat42w-7-f\/","title":{"rendered":"BAT42W-7-F"},"content":{"rendered":"

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

The BAT42W-7-F from Diodes Incorporated is a 30V, 200mA small-signal Schottky diode in a SOD-123 surface-mount package. With 0.32V typical forward voltage at 1mA and fast switching, it is widely used for signal clamping, reverse protection, and low-voltage rectification.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n
\u7c7b\u578b<\/td>\nSchottky Barrier Diode<\/td>\n<\/tr>\n
VR<\/td>\n30V<\/td>\n<\/tr>\n
IF<\/td>\n200mA average rectified<\/td>\n<\/tr>\n
VF<\/td>\n0.32V typical @ IF=1mA<\/td>\n<\/tr>\n
VF<\/td>\n0.5V typical @ IF=30mA<\/td>\n<\/tr>\n
IR<\/td>\n1uA max @ VR=25V<\/td>\n<\/tr>\n
Cj<\/td>\n2pF typical<\/td>\n<\/tr>\n
trr<\/td>\nFast (Schottky)<\/td>\n<\/tr>\n
\u529f\u7387\u8017\u6563<\/td>\n225mW<\/td>\n<\/tr>\n
Operating Temp<\/td>\n-65 to +150 C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSOD-123 (3.7 x 1.6 mm)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 30V reverse voltage, 200mA forward current<\/li>\n
  • 0.32V very low forward voltage at 1mA<\/li>\n
  • 2pF low junction capacitance<\/li>\n
  • SOD-123 surface-mount package<\/li>\n
  • Fast switching (Schottky barrier)<\/li>\n
  • Low cost for high-volume applications<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Signal clamping and protection<\/li>\n
    • Reverse polarity protection<\/li>\n
    • Low-voltage rectification<\/li>\n
    • Logic level steering<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The BAT42W-7-F from Diodes Incorporated is a 30V, 200mA small-signal Schottky diode in a SOD-123 surface-mount package. With 0.32V typical forward voltage at 1mA and fast switching, it is widely used for signal clamping, reverse protection, and low-voltage rectification. Key Specifications Type Schottky Barrier Diode VR 30V IF 200mA average rectified VF 0.32V […]<\/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":[13,56],"tags":[],"chip_brand":[],"class_list":["post-5516","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-mosfets"],"acf":{"brief_explanation":"30V 200mA Schottky diode, SOD-123","date_code":"","package_case":"SOD-123 (3.7 x 1.6 mm)","in_stock":6513,"datasheet":"https:\/\/www.diodes.com\/assets\/Datasheets\/ds11010.pdf","price":"$0.04 @ 10ku","product_introduction":"The BAT42W-7-F from Diodes Incorporated is a 30V, 200mA small-signal Schottky diode in a SOD-123 surface-mount package. With 0.32V typical forward voltage at 1mA and fast switching, it is widely used for signal clamping, reverse protection, and low-voltage rectification.","working_principle":"The BAT42W-7-F operates as described in the product overview. Key subsystems include the input stage, processing\/gain stage, output stage, and protection circuitry as detailed in the datasheet.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>
      1<\/td>A<\/td>Anode<\/td>Anode terminal<\/td><\/tr>
      2<\/td>K<\/td>Cathode<\/td>Cathode terminal (stripe)<\/td><\/tr><\/table>","application_scenarios":"
      • Signal clamping and protection<\/li>
      • Reverse polarity protection<\/li>
      • Low-voltage rectification<\/li>
      • Logic level steering<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Package<\/th>Notes<\/th><\/tr>
        BAT43W-7-F<\/td>Diodes Inc<\/td>SOD-123<\/td>Higher VF, higher temp<\/td><\/tr>
        1N5819HW-7-F<\/td>Diodes Inc<\/td>SOD-123<\/td>40V, 1A, higher current<\/td><\/tr>
        RB521ZS30T1G<\/td>onsemi<\/td>SOD-323<\/td>30V, 0.5A, smaller<\/td><\/tr>
        BAT54C-7-F<\/td>Diodes Inc<\/td>SOT-23<\/td>Dual common-cathode<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5516","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=5516"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5516\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5516"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}