{"id":7559,"date":"2026-06-26T04:33:07","date_gmt":"2026-06-26T04:33:07","guid":{"rendered":"https:\/\/materialparts.com\/ava-183p\/"},"modified":"2026-06-26T04:33:07","modified_gmt":"2026-06-26T04:33:07","slug":"ava-183p","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/ava-183p\/","title":{"rendered":"AVA-183P"},"content":{"rendered":"

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

The AVA-183P is a varistor surge protection device designed for transient voltage suppression in AC power line and telecommunication applications.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
\u7c7b\u578b<\/td>\nMetal Oxide Varistor (MOV)<\/td>\n<\/tr>\n
Varistor Voltage<\/td>\n183V nominal<\/td>\n<\/tr>\n
Max Continuous AC Voltage<\/td>\n115 V<\/td>\n<\/tr>\n
Max Continuous DC Voltage<\/td>\n150 V<\/td>\n<\/tr>\n
Clamping Voltage<\/td>\n300 V at 1A<\/td>\n<\/tr>\n
Peak Current (8\/20us)<\/td>\n100 A<\/td>\n<\/tr>\n
Energy (2ms)<\/td>\n2.0 J<\/td>\n<\/tr>\n
Capacitance<\/td>\n300 pF typical<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40 to +85 C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nRadial disc<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Metal oxide varistor for AC\/DC surge protection<\/li>\n
  • 183V nominal varistor voltage for 115V AC lines<\/li>\n
  • Fast clamping response for transient suppression<\/li>\n
  • Bidirectional protection for both polarities<\/li>\n
  • High energy absorption capability<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • AC power line surge protection<\/li>\n
    • Telecommunication equipment protection<\/li>\n
    • Industrial equipment transient suppression<\/li>\n
    • Power supply input protection<\/li>\n
    • Home appliance surge protection<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The AVA-183P is a varistor surge protection device designed for transient voltage suppression in AC power line and telecommunication applications. Key Specifications Type Metal Oxide Varistor (MOV) Varistor Voltage 183V nominal Max Continuous AC Voltage 115 V Max Continuous DC Voltage 150 V Clamping Voltage 300 V at 1A Peak Current (8\/20us) 100 […]<\/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":[],"chip_brand":[182],"class_list":["post-7559","post","type-post","status-publish","format-standard","hentry","category-insulated-gate-bipolar-transistors-igbt","category-integrated-circuits-ics","chip_brand-onsemi"],"acf":{"brief_explanation":"MOV varistor, 183V, 115VAC, radial disc surge protector","date_code":"","package_case":"Radial Disc (7mm Dia, through hole)","in_stock":4500,"datasheet":"https:\/\/www.littelfuse.com\/data\/en\/Data_Sheets\/Littelfuse_VAR_Datasheet.pdf","price":"$0.15 @ 1ku","product_introduction":"The AVA-183P is a metal oxide varistor (MOV) designed for transient voltage suppression in 115V AC power line and telecommunication applications. The device features a nominal varistor voltage of 183V, maximum continuous AC voltage of 115V, and clamping voltage of 300V at 1A. The bidirectional protection capability suppresses both positive and negative transients. The high energy absorption rating of 2.0J and 100A peak current capability provide robust protection against lightning-induced surges and switching transients.","working_principle":"The AVA-183P operates as a metal oxide varistor (MOV) for transient voltage suppression. (1) The MOV element consists of zinc oxide grains with intergranular boundaries that exhibit nonlinear voltage-current characteristics. Under normal operating voltage below the varistor voltage (183V), the MOV presents very high impedance (leakage current < 10uA), effectively invisible to the circuit. (2) When a transient voltage exceeds the varistor voltage, the intergranular boundaries break down and the MOV impedance drops dramatically, clamping the voltage to approximately 300V at 1A. The MOV absorbs the transient energy and dissipates it as heat. The bidirectional characteristic provides equal protection for both positive and negative transients. (3) After the transient subsides, the MOV returns to its high-impedance state. The energy absorption capability of 2.0J (2ms) determines the maximum transient energy the device can safely absorb. Multiple surges may gradually degrade the MOV, so the device should be selected with adequate margin for the expected surge environment.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1<\/td>Lead 1<\/td>AC\/DC line connection<\/td><\/tr>
      2<\/td>Lead 2<\/td>Neutral\/GND connection<\/td><\/tr><\/table>","application_scenarios":"
      • 115V AC power line surge protection for consumer equipment<\/li>
      • Telecommunication equipment transient suppression<\/li>
      • Industrial equipment power input protection<\/li>
      • Power supply AC input MOV protection stage<\/li>
      • Home appliance surge protection with 2J energy rating<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        V130LA20A<\/td>Littelfuse<\/td>130V, 20mm disc, similar<\/td><\/tr>
        ERZ-V14D181<\/td>Panasonic<\/td>180V, 14mm disc, similar<\/td><\/tr>
        MOV-14D180K<\/td>Bourns<\/td>180V, 14mm, similar rating<\/td><\/tr>
        TVR14181<\/td>Thinking<\/td>180V, 14mm disc MOV<\/td><\/tr>
        CNR14D181K<\/td>CET<\/td>180V, 14mm disc, similar<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7559","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=7559"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/7559\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=7559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=7559"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=7559"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=7559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}