{"id":9540,"date":"2026-07-03T08:47:08","date_gmt":"2026-07-03T08:47:08","guid":{"rendered":"https:\/\/materialparts.com\/mm3z9v1\/"},"modified":"2026-07-03T08:47:08","modified_gmt":"2026-07-03T08:47:08","slug":"mm3z9v1","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/mm3z9v1\/","title":{"rendered":"MM3Z9V1"},"content":{"rendered":"

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

The MM3Z9V1 is a 9.1 V nominal Zener voltage regulator diode in a SOD-323 surface-mount package, offering 200 mW power dissipation. It provides voltage regulation and reference functions with +\/-5% tolerance, suitable for low-power bias and protection circuits.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n
Zener Voltage (Vz)<\/td>\n9.1 V (+\/-5%)<\/td>\n<\/tr>\n
\u529f\u7387\u8017\u6563<\/td>\n200 mW (FR-4 board)<\/td>\n<\/tr>\n
Test Current (Izt)<\/td>\n5 mA<\/td>\n<\/tr>\n
Zener Impedance (Zzt)<\/td>\n15 Ohm @ Izt=5mA<\/td>\n<\/tr>\n
Reverse Current (Ir)<\/td>\n0.5 uA max @ 7V<\/td>\n<\/tr>\n
Forward Voltage (Vf)<\/td>\n1 V max @ 10mA<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSOD-323<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-55\u81f3+150\u6444\u6c0f\u5ea6<\/td>\n<\/tr>\n
ESD Rating<\/td>\nClass 3 >16 kV HBM<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 9.1 V Zener voltage with +\/-5% tolerance<\/li>\n
  • 200 mW power dissipation in SOD-323 package<\/li>\n
  • Low Zener impedance: 15 Ohm at 5 mA<\/li>\n
  • High ESD rating: Class 3 (>16 kV)<\/li>\n
  • Compact SOD-323 surface-mount package<\/li>\n
  • RoHS compliant<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Low-power voltage regulation and reference<\/li>\n
    • Overvoltage protection for signal lines<\/li>\n
    • Bias voltage setting for transistor circuits<\/li>\n
    • DC level shifting and clamping<\/li>\n
    • Consumer and industrial electronics<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MM3Z9V1 is a 9.1 V nominal Zener voltage regulator diode in a SOD-323 surface-mount package, offering 200 mW power dissipation. It provides voltage regulation and reference functions with +\/-5% tolerance, suitable for low-power bias and protection circuits. Key Specifications Zener Voltage (Vz) 9.1 V (+\/-5%) Power Dissipation 200 mW (FR-4 board) Test […]<\/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":[57,13],"tags":[782],"chip_brand":[144],"class_list":["post-9540","post","type-post","status-publish","format-standard","hentry","category-insulated-gate-bipolar-transistors-igbt","category-integrated-circuits-ics","tag-mm3z9v1","chip_brand-on"],"acf":{"brief_explanation":"9.1V 200mW Zener diode, SOD-323, onsemi\/Diotec","date_code":"","package_case":"SOD-323 (2.5 x 1.25 x 0.85 mm)","in_stock":10735,"datasheet":"https:\/\/www.onsemi.com\/pdf\/datasheet\/mm3z2v4st1-d.pdf","price":"$0.03 @ 1ku","product_introduction":"The MM3Z9V1 is a 9.1 V nominal Zener voltage regulator diode in a SOD-323 surface-mount package, dissipating up to 200 mW on an FR-4 PCB. With +\/-5% Zener voltage tolerance, 15 Ohm dynamic impedance at 5 mA, and Class 3 ESD rating (>16 kV HBM), it provides reliable voltage regulation and protection in low-power circuits. The device is second-sourced by onsemi, Diotec, and Secos with equivalent specifications. It is widely used in consumer and industrial electronics for bias, clamping, and reference applications.","working_principle":"The MM3Z9V1 operates in the Zener breakdown region where the reverse-biased PN junction exhibits a controlled avalanche breakdown at 9.1 V. In this region, the current increases rapidly with voltage while the voltage remains nearly constant, providing voltage regulation. The Zener impedance of 15 Ohm at 5 mA test current represents the incremental slope (dV\/dI) of the V-I characteristic at the operating point. The 200 mW power dissipation limit is determined by the thermal resistance of the SOD-323 package (approximately 500-600 deg C\/W on FR-4). The device's temperature coefficient is approximately +0.055%\/deg C, meaning the Zener voltage increases with temperature for this voltage range.","pin_description":"\n
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>\n
      1<\/td>Cathode<\/td>Output<\/td>Cathode terminal (marked with band)<\/td><\/tr>\n
      2<\/td>Anode<\/td>Ground<\/td>Anode terminal<\/td><\/tr>\n<\/table>","application_scenarios":"
        \n
      • Low-power voltage regulation and reference<\/li>\n
      • Overvoltage protection for signal lines<\/li>\n
      • Bias voltage setting for transistor circuits<\/li>\n
      • DC level shifting and clamping<\/li>\n
      • Consumer and industrial electronics<\/li>\n<\/ul>","alternative_models":"\n
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>\n
        onsemi<\/td>MM3Z9V1B<\/td>SOD-323<\/td>+\/-2% tolerance version<\/td><\/tr>\n
        onsemi<\/td>MM3Z8V2<\/td>SOD-323<\/td>8.2V lower voltage option<\/td><\/tr>\n
        Nexperia<\/td>BZX84-C9V1<\/td>SOD-323<\/td>9.1V equivalent from Nexperia<\/td><\/tr>\n
        Diodes Inc<\/td>MM3Z9V1W-7<\/td>SOD-123<\/td>9.1V in larger SOD-123<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9540","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=9540"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9540\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=9540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=9540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=9540"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=9540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}