{"id":10339,"date":"2026-07-19T12:25:09","date_gmt":"2026-07-19T12:25:09","guid":{"rendered":"https:\/\/ic-vendor.com\/p6smb33ca\/"},"modified":"2026-07-19T12:25:09","modified_gmt":"2026-07-19T12:25:09","slug":"p6smb33ca","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/ar\/p6smb33ca\/","title":{"rendered":"P6SMB33CA"},"content":{"rendered":"

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

The P6SMB33CA is a 600W bidirectional Transient Voltage Suppressor (TVS) diode from Littelfuse, designed to protect sensitive electronic equipment from voltage transients induced by lightning, ESD, and inductive switching. The CA suffix denotes bidirectional (symmetrical) protection for AC line applications.<\/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\n
Reverse Standoff Voltage (Vr)<\/td>\n33V<\/td>\n<\/tr>\n
Breakdown Voltage Min (Vbr)<\/td>\n36.7V<\/td>\n<\/tr>\n
Breakdown Voltage Max (Vbr)<\/td>\n40.6V<\/td>\n<\/tr>\n
Clamping Voltage (Vc)<\/td>\n53.3V<\/td>\n<\/tr>\n
Peak Pulse Power (10\/1000\u03bcs)<\/td>\n600W<\/td>\n<\/tr>\n
Peak Pulse Current (Ipp)<\/td>\n11.3A<\/td>\n<\/tr>\n
Leakage Current (Ir)<\/td>\n<1\u03bcA<\/td>\n<\/tr>\n
\u0627\u0644\u0642\u0637\u0628\u064a\u0629<\/td>\nBidirectional<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nDO-214AA (SMB)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-65\u00b0C to +150\u00b0C<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • 600W peak pulse power at 10\/1000\u03bcs<\/li>\n
  • Bidirectional \u2014 ideal for AC line protection<\/li>\n
  • Excellent clamping capability<\/li>\n
  • Low incremental surge resistance<\/li>\n
  • IEC 61000-4-2 ESD 30kV (Air), 30kV (Contact)<\/li>\n
  • Halogen-free, RoHS compliant<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • AC\/DC power supply input protection<\/li>\n
    • I\/O interface protection<\/li>\n
    • Telecom and networking equipment<\/li>\n
    • Industrial control systems<\/li>\n
    • Consumer electronics VCC bus protection<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The P6SMB33CA is a 600W bidirectional Transient Voltage Suppressor (TVS) diode from Littelfuse, designed to protect sensitive electronic equipment from voltage transients induced by lightning, ESD, and inductive switching. The CA suffix denotes bidirectional (symmetrical) protection for AC line applications. Key Specifications Reverse Standoff Voltage (Vr) 33V Breakdown Voltage Min (Vbr) 36.7V Breakdown […]<\/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":[60],"tags":[1608,1606,1607],"chip_brand":[200],"class_list":["post-10339","post","type-post","status-publish","format-standard","hentry","category-passive-components","tag-bidirectional","tag-p6smb33ca","tag-tvs-diode","chip_brand-littelfuse"],"acf":{"brief_explanation":"TVS Diode 600W Bi-Dir 33Vr 53.3Vc DO-214AA SMB, -65~150\u00b0C","date_code":"","package_case":"DO-214AA (SMB)","in_stock":12500,"datasheet":"https:\/\/www.littelfuse.com\/media?res=700090&download=1","price":"","product_introduction":"The P6SMB33CA is a 600W bidirectional Transient Voltage Suppressor (TVS) diode from Littelfuse's P6SMB series. It provides reliable protection for sensitive electronic circuits against voltage transients caused by lightning, electrostatic discharge (ESD), and inductive load switching. The bidirectional configuration makes it particularly suitable for AC line applications where voltage transients can occur in both polarities. With a reverse standoff voltage of 33V and a maximum clamping voltage of 53.3V, it is commonly used in telecom, industrial, and consumer electronics applications.","working_principle":"The TVS diode operates as a clamping device. Under normal operating conditions, the device presents a high impedance with leakage current below 1\u03bcA. When a voltage transient exceeds the breakdown voltage, the avalanche junction rapidly conducts, clamping the voltage to a safe level (Vc = 53.3V max) and diverting the surge current away from the protected circuit. After the transient subsides, the device automatically returns to its high-impedance state. The bidirectional configuration places two avalanche junctions in anti-series, enabling protection against positive and negative transients.","pin_description":"
      Pin<\/th>Function<\/th><\/tr>
      1<\/td>Cathode (banded end)<\/td><\/tr>
      2<\/td>Anode<\/td><\/tr><\/table>

      Note: Bidirectional \u2014 no polarity distinction in operation.<\/p>","application_scenarios":"

      • AC power line and DC supply input protection<\/li>
      • Telecom line card and networking equipment I\/O ports<\/li>
      • Industrial automation control interfaces<\/li>
      • Consumer electronics VCC bus protection<\/li>
      • Automotive electronics (non-AEC-Q101)<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Vr<\/th>Pppm<\/th>Notes<\/th><\/tr>
        Vishay<\/td>SMBJ33CA<\/td>33V<\/td>600W<\/td>Direct equivalent<\/td><\/tr>
        STMicro<\/td>SMBJ33CA<\/td>33V<\/td>600W<\/td>Direct equivalent<\/td><\/tr>
        Bourns<\/td>SMBJ33CALF<\/td>33V<\/td>600W<\/td>Direct equivalent<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/10339","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/comments?post=10339"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/10339\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/media?parent=10339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/categories?post=10339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/tags?post=10339"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=10339"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}