{"id":5603,"date":"2026-06-11T02:53:33","date_gmt":"2026-06-11T02:53:33","guid":{"rendered":"https:\/\/materialparts.com\/smbj3v3-e3-52\/"},"modified":"2026-06-12T09:11:50","modified_gmt":"2026-06-12T09:11:50","slug":"smbj3v3-e3-52","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/smbj3v3-e3-52\/","title":{"rendered":"SMBJ3V3-E3\/52"},"content":{"rendered":"

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

The SMBJ3V3-E3\/52 from Vishay is a 3.3V unidirectional TVS diode rated at 600W peak pulse power in SMB package for ESD and transient voltage protection.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n
\u5305\u88c5<\/td>\nSMB (DO-214AA)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • See datasheet for complete specifications<\/li>\n
  • Industry-standard package<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Industrial control<\/li>\n
    • Consumer electronics<\/li>\n
    • Communication equipment<\/li>\n
    • Automotive electronics<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SMBJ3V3-E3\/52 from Vishay is a 3.3V unidirectional TVS diode rated at 600W peak pulse power in SMB package for ESD and transient voltage protection. Key Specifications Package SMB (DO-214AA) Features See datasheet for complete specifications Industry-standard package Applications Industrial control Consumer electronics Communication equipment Automotive electronics<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[57,13],"tags":[],"chip_brand":[136],"class_list":["post-5603","post","type-post","status-publish","format-standard","hentry","category-insulated-gate-bipolar-transistors-igbt","category-integrated-circuits-ics","chip_brand-vishay"],"acf":{"brief_explanation":"3.3V unidirectional TVS, 600W, SMB","date_code":"","package_case":"SMB (DO-214AA)","in_stock":5150,"datasheet":"https:\/\/www.vishay.com\/docs\/88392\/smbj5v0.pdf","price":"$0.12 @ 1ku","product_introduction":"The SMBJ3V3-E3\/52 from Vishay is a 3.3V unidirectional TVS diode rated at 600W peak pulse power in SMB package for ESD and transient voltage protection.","working_principle":"The SMBJ3V3-E3\/52 is a 3.3V unidirectional TVS (Transient Voltage Suppressor) diode from Vishay in SMB (DO-214AA) package, rated at 600W peak pulse power (8\/20us). Unidirectional TVS diodes are designed for positive-only transient protection on DC power lines. The working voltage (VRWM) is 3.3V, meaning negligible leakage (<5uA) below this voltage. When a positive transient exceeds the breakdown voltage (VBR = 3.67-4.06V), the diode conducts heavily, clamping the voltage to VC (5.5V maximum at IPP = 11.3A). The clamping ratio is approximately 1.35, providing reasonably tight protection for 3.3V logic circuits. The -E3\/52 suffix specifies unidirectional (E3 = plastic SMB), tape-and-reel (52 = 52mm reel). The SMB package is between SMA (smaller, 400W) and SMC (larger, 1500W) in the TVS power hierarchy. The response time is sub-nanosecond. The device protects 3.3V USB power lines, VCC rails, and sensor supply pins against ESD, EFT, and surge transients.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>Cathode<\/td>Power<\/td>Cathode (connects to protected 3.3V line)<\/td><\/tr>
      2<\/td>Anode<\/td>Power<\/td>Anode (connects to ground)<\/td><\/tr><\/table>","application_scenarios":"
    • Industrial control<\/li>
    • Consumer electronics<\/li>
    • Communication equipment<\/li>
    • Automotive electronics<\/li>","alternative_models":"
      Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
      Vishay<\/td>SMBJ3V3-E3\/52<\/td>SMB<\/td>Same device, Vishay brand<\/td><\/tr>
      Littelfuse<\/td>SMBJ3V3A<\/td>SMB<\/td>3.3V unidirectional TVS, Littelfuse<\/td><\/tr>
      Bourns<\/td>SMBJ3V3A-HF<\/td>SMB<\/td>3.3V unidirectional TVS, Bourns<\/td><\/tr>
      onsemi<\/td>SMBJ3V3A<\/td>SMB<\/td>3.3V unidirectional TVS, onsemi<\/td><\/tr>
      STMicroelectronics<\/td>SMBJ3V3A-TR<\/td>SMB<\/td>3.3V unidirectional TVS, ST brand<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5603","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=5603"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5603\/revisions"}],"predecessor-version":[{"id":6187,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/5603\/revisions\/6187"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=5603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=5603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=5603"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=5603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}