{"id":10348,"date":"2026-07-19T12:25:35","date_gmt":"2026-07-19T12:25:35","guid":{"rendered":"https:\/\/ic-vendor.com\/p6smb27a\/"},"modified":"2026-07-19T12:25:35","modified_gmt":"2026-07-19T12:25:35","slug":"p6smb27a","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/ar\/p6smb27a\/","title":{"rendered":"P6SMB27A"},"content":{"rendered":"

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

The P6SMB27A is a 600W unidirectional TVS diode from Littelfuse’s P6SMB series in a DO-214AA (SMB) surface-mount package. With a reverse standoff voltage of 23.1V and breakdown voltage of 27V nominal, it is designed for protecting 18V-24V DC power rails in telecom, industrial, and consumer electronics.<\/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>\n23.1V<\/td>\n<\/tr>\n
Breakdown Voltage Min<\/td>\n25.7V<\/td>\n<\/tr>\n
Breakdown Voltage Max<\/td>\n28.4V<\/td>\n<\/tr>\n
Clamping Voltage (Vc)<\/td>\n37.5V<\/td>\n<\/tr>\n
Peak Pulse Power (10\/1000\u03bcs)<\/td>\n600W<\/td>\n<\/tr>\n
Peak Pulse Current (Ipp)<\/td>\n16.3A<\/td>\n<\/tr>\n
Leakage Current (Ir)<\/td>\n<1\u03bcA<\/td>\n<\/tr>\n
\u0627\u0644\u0642\u0637\u0628\u064a\u0629<\/td>\n\u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0627\u062a\u062c\u0627\u0647<\/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
  • Unidirectional \u2014 for DC power rail protection<\/li>\n
  • Excellent clamping at 37.5V<\/li>\n
  • IEC 61000-4-2 ESD 30kV<\/li>\n
  • IEC 61000-4-4 EFT protection<\/li>\n
  • Halogen-free, RoHS compliant<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • 24V industrial power rail protection<\/li>\n
    • Telecom VCC bus protection<\/li>\n
    • Industrial automation controller protection<\/li>\n
    • Computer and consumer electronics<\/li>\n
    • Vulnerable I\/O interface circuits<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The P6SMB27A is a 600W unidirectional TVS diode from Littelfuse’s P6SMB series in a DO-214AA (SMB) surface-mount package. With a reverse standoff voltage of 23.1V and breakdown voltage of 27V nominal, it is designed for protecting 18V-24V DC power rails in telecom, industrial, and consumer electronics. Key Specifications Reverse Standoff Voltage (Vr) 23.1V […]<\/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":[1622,1607,1614],"chip_brand":[200],"class_list":["post-10348","post","type-post","status-publish","format-standard","hentry","category-passive-components","tag-p6smb27a","tag-tvs-diode","tag-unidirectional","chip_brand-littelfuse"],"acf":{"brief_explanation":"TVS Diode 600W Uni-Dir 23.1Vr 37.5Vc DO-214AA SMB, -65~150\u00b0C","date_code":"","package_case":"DO-214AA (SMB)","in_stock":10200,"datasheet":"https:\/\/www.littelfuse.com\/media?res=700090&download=1","price":"","product_introduction":"The P6SMB27A is a 600W unidirectional TVS diode from Littelfuse's P6SMB series, designed to protect 24V nominal DC power rails and VCC buses from voltage transients. With a reverse standoff voltage of 23.1V and maximum clamping voltage of 37.5V, it offers excellent protection margin for 18V-24V industrial and telecom supply systems. The 16.3A peak pulse current rating provides substantial surge energy handling capability.","working_principle":"Under normal reverse-bias conditions below 23.1V, the P6SMB27A presents very high impedance with leakage current below 1\u03bcA. When a positive voltage transient exceeds the breakdown voltage (25.7-28.4V), the avalanche junction rapidly conducts and clamps the voltage to 37.5V maximum at the rated peak pulse current of 16.3A. The unidirectional configuration also provides forward diode conduction. After the transient, the device automatically returns to its blocking state.","pin_description":"
      Pin<\/th>Function<\/th><\/tr>
      1<\/td>Cathode (identified by color band)<\/td><\/tr>
      2<\/td>Anode<\/td><\/tr><\/table>","application_scenarios":"
      • 24V industrial automation power supply protection<\/li>
      • Telecom 20-24V VCC bus transient suppression<\/li>
      • Industrial PLC and controller power rail<\/li>
      • Computer peripheral power supply protection<\/li>
      • Vulnerable I\/O interface circuits in harsh environments<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Vr<\/th>Pppm<\/th>Notes<\/th><\/tr>
        Vishay<\/td>SMBJ27A<\/td>23.1V<\/td>600W<\/td>Direct cross<\/td><\/tr>
        Bourns<\/td>SMBJ27A<\/td>23.1V<\/td>600W<\/td>Direct cross<\/td><\/tr>
        STMicro<\/td>SMBJ27A<\/td>23.1V<\/td>600W<\/td>Direct cross<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/10348","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=10348"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/posts\/10348\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/media?parent=10348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/categories?post=10348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/tags?post=10348"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=10348"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}