{"id":2745,"date":"2026-05-25T02:06:11","date_gmt":"2026-05-25T02:06:11","guid":{"rendered":"https:\/\/materialparts.com\/smaj58a-13-f\/"},"modified":"2026-05-25T02:06:11","modified_gmt":"2026-05-25T02:06:11","slug":"smaj58a-13-f","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/smaj58a-13-f\/","title":{"rendered":"SMAJ58A-13-F"},"content":{"rendered":"

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

The SMAJ58A-13-F from Diodes Incorporated (Littelfuse compatible) is a 600W unidirectional TVS diode in an SMA (DO-214AC) package. With 58V standoff voltage and 93.1V clamping voltage, it provides transient overvoltage protection for 48V power rails and telecom circuits.<\/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
\u0627\u0644\u0646\u0648\u0639<\/td>\nUnidirectional TVS Diode<\/td>\n<\/tr>\n
Peak Pulse Power<\/td>\n600W (10\/1000us)<\/td>\n<\/tr>\n
Standoff Voltage (VRWM)<\/td>\n58V<\/td>\n<\/tr>\n
Breakdown Voltage (VBR)<\/td>\n64.4V ~ 71.4V<\/td>\n<\/tr>\n
Clamping Voltage (VC)<\/td>\n93.1V @ IPP=6.44A<\/td>\n<\/tr>\n
Leakage Current<\/td>\n1uA @ VRWM<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nSMA (DO-214AC)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-55\u00b0C to +150\u00b0C (TJ)<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • 600W peak pulse power dissipation<\/li>\n
  • 58V reverse standoff voltage<\/li>\n
  • 93.1V maximum clamping voltage<\/li>\n
  • Low 1uA leakage at standoff voltage<\/li>\n
  • Unidirectional protection for DC rails<\/li>\n
  • SMA surface-mount package<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • 48V telecom power rail protection<\/li>\n
    • Industrial 48V bus transient suppression<\/li>\n
    • PoE and PoE+ input protection<\/li>\n
    • Power over data line surge protection<\/li>\n
    • Automotive 48V system ESD\/surge<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SMAJ58A-13-F from Diodes Incorporated (Littelfuse compatible) is a 600W unidirectional TVS diode in an SMA (DO-214AC) package. With 58V standoff voltage and 93.1V clamping voltage, it provides transient overvoltage protection for 48V power rails and telecom circuits. Key Specifications Type Unidirectional TVS Diode Peak Pulse Power 600W (10\/1000us) Standoff Voltage (VRWM) 58V […]<\/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":[13,20],"tags":[],"chip_brand":[136],"class_list":["post-2745","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-vishay"],"acf":{"brief_explanation":"600W unidirectional TVS, 58V standoff, 93.1V clamp, SMA package","date_code":"","package_case":"SMA (DO-214AC) (5.2 x 2.6 x 2.2 mm)","in_stock":10975,"datasheet":"https:\/\/www.diodes.com\/part\/detail\/SMAJ58A-13-F","price":"$0.18 @ 1ku","product_introduction":"The SMAJ58A-13-F from Diodes Incorporated is a 600W unidirectional transient voltage suppression (TVS) diode in an SMA (DO-214AC) package. With 58V reverse standoff voltage and 93.1V maximum clamping voltage at 6.44A peak pulse current, it protects 48V power rails from ESD, EFT, and surge transients. The device complies with IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT), and IEC 61000-4-5 (surge) standards. Low 1uA leakage current at standoff voltage minimizes standby power draw. The SMA package provides reliable surface-mount protection in a compact footprint.","working_principle":"The SMAJ58A-13-F operates as an avalanche diode that remains in a high-impedance off-state when the voltage across it is below the breakdown voltage (64.4-71.4V). When a transient voltage exceeds the breakdown voltage, the device avalanches and conducts heavily, clamping the voltage to a safe level (93.1V max at rated current). The energy from the transient is dissipated as heat in the semiconductor junction. Once the transient subsides, the device returns to its high-impedance state. The unidirectional configuration blocks DC in the forward direction (like a normal diode), protecting DC power rails where voltage polarity is fixed.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>Cathode<\/td>Power<\/td>Cathode (connect to positive rail)<\/td><\/tr>
      2<\/td>Anode<\/td>Power<\/td>Anode (connect to ground)<\/td><\/tr><\/table>","application_scenarios":"
      • 48V telecom and PoE power rail transient protection<\/li>
      • Industrial 48V DC bus surge suppression<\/li>
      • Power over Ethernet input ESD\/surge protection<\/li>
      • Automotive 48V mild hybrid system protection<\/li>
      • Solar panel 48V system overvoltage clamp<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Littelfuse<\/td>SMAJ58A<\/td>SMA<\/td>Original specification, equivalent<\/td><\/tr>
        ST<\/td>SMAJ58A-TR<\/td>SMA<\/td>Pin-compatible TVS diode<\/td><\/tr>
        onsemi<\/td>SMAJ58A<\/td>SMA<\/td>Equivalent TVS, 600W<\/td><\/tr>
        Bourns<\/td>SMAJ58A-M3\/9AT<\/td>SMA<\/td>600W unidirectional TVS<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2745","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=2745"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2745\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=2745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=2745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=2745"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=2745"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}