{"id":10931,"date":"2026-07-21T05:18:25","date_gmt":"2026-07-21T05:18:25","guid":{"rendered":"https:\/\/ic-vendor.com\/sdm10k45-7-f\/"},"modified":"2026-07-21T05:18:25","modified_gmt":"2026-07-21T05:18:25","slug":"sdm10k45-7-f","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/sdm10k45-7-f\/","title":{"rendered":"SDM10K45-7-F"},"content":{"rendered":"

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

The SDM10K45-7-F is a surface-mount Schottky barrier diode manufactured by Diodes Incorporated, rated at 45V reverse voltage and 100mA average forward current in an SOD-323 package. Featuring a very low forward voltage drop of 450 mV at 10 mA, this diode is optimized for low-power signal clamping, reverse polarity protection, and high-efficiency rectification in battery-powered and space-constrained applications.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n
Peak Repetitive Reverse Voltage<\/td>\n45V<\/td>\n<\/tr>\n
Average Forward Current (IO)<\/td>\n100 mA<\/td>\n<\/tr>\n
Forward Voltage (VF)<\/td>\n450 mV @ IF=10 mA<\/td>\n<\/tr>\n
Peak Forward Surge Current<\/td>\n1A<\/td>\n<\/tr>\n
Reverse Leakage Current<\/td>\n1 uA @ VR=10V<\/td>\n<\/tr>\n
Junction Capacitance<\/td>\n6 pF typical<\/td>\n<\/tr>\n
\u529f\u7387\u8017\u6563<\/td>\n200 mW<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40degC to +150degC (TJ)<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSOD-323 (SC-76)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Ultra-low forward voltage drop of 450 mV for minimal power loss<\/li>\n
  • 45V reverse voltage rating suitable for 24V and 36V rail protection<\/li>\n
  • Compact SOD-323 package for high-density PCB layouts<\/li>\n
  • Schottky barrier technology for zero reverse recovery time<\/li>\n
  • RoHS compliant with lead-free termination<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Reverse polarity protection in battery-powered IoT devices<\/li>\n
    • Signal clamping and protection in RF front-end circuits<\/li>\n
    • Low-power rectification in sensor and wearable electronics<\/li>\n
    • Free-wheeling diode in low-power inductive load circuits<\/li>\n
    • DC-DC converter output rectification<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SDM10K45-7-F is a surface-mount Schottky barrier diode manufactured by Diodes Incorporated, rated at 45V reverse voltage and 100mA average forward current in an SOD-323 package. Featuring a very low forward voltage drop of 450 mV at 10 mA, this diode is optimized for low-power signal clamping, reverse polarity protection, and high-efficiency rectification […]<\/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":[19,13],"tags":[2255],"chip_brand":[193],"class_list":["post-10931","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","tag-sdm10k45-7-f","chip_brand-diodes-inc"],"acf":{"brief_explanation":"45V 100mA Schottky diode, 450mV VF, SOD-323 package","date_code":"","package_case":"SOD-323 (SC-76) - 2.7 x 1.6 x 1.0 mm","in_stock":7682,"datasheet":"https:\/\/www.diodes.com\/part\/SDM10K45-7-F","price":"\/tmp\/tmpennd28fo.sh.05 @ 1ku","product_introduction":"The SDM10K45-7-F from Diodes Incorporated is a surface-mount Schottky barrier diode rated at 45V and 100mA in a compact SOD-323 package. The Schottky barrier construction provides an ultra-low forward voltage drop of 450 mV at 10 mA, significantly reducing conduction losses compared to standard silicon PN junction diodes. This makes it particularly attractive for battery-powered applications where every millivolt of voltage drop translates to reduced operating time. The 45V reverse voltage rating supports common 24V and 36V industrial rails, while the zero reverse recovery time of the Schottky junction eliminates switching losses in high-frequency applications.","working_principle":"The SDM10K45-7-F uses a metal-semiconductor (Schottky) junction rather than a PN junction. The Schottky barrier is formed by the contact between a metal (typically platinum or titanium tungsten) and an N-type semiconductor region. Under forward bias, electrons flow from the semiconductor into the metal with very little energy barrier, resulting in the low 450 mV forward voltage drop. Unlike PN junction diodes, the Schottky junction is a majority-carrier device with essentially zero stored minority charge, which means there is no reverse recovery time. The device transitions instantly from conduction to blocking when the bias reverses. The higher reverse leakage current (1 uA at 10V) compared to PN diodes is an inherent characteristic of the Schottky barrier.","pin_description":"\n
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>\n
      1<\/td>Cathode<\/td>Passive<\/td>Negative terminal (marked with band)<\/td><\/tr>\n
      2<\/td>Anode<\/td>Passive<\/td>Positive terminal<\/td><\/tr>\n<\/table>","application_scenarios":"
        \n
      • Reverse polarity protection on IoT sensor module 3.3V\/5V power input<\/li>\n
      • RF signal clamping in Wi-Fi and Bluetooth antenna matching networks<\/li>\n
      • Low-voltage drop rectification in energy harvesting and solar cell circuits<\/li>\n
      • Free-wheeling diode across small motor and relay coils in portable devices<\/li>\n
      • DC-DC converter output rectification in 12V-to-3.3V buck regulators<\/li>\n<\/ul>","alternative_models":"\n
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>\n
        Diodes Inc<\/td>SDM10U30-7-F<\/td>SOD-323<\/td>30V 100mA Schottky, lower VF<\/td><\/tr>\n
        Nexperia<\/td>PMEG1020EH<\/td>SOD-323<\/td>20V 1A Schottky, higher current<\/td><\/tr>\n
        onsemi<\/td>NSR1020MW2T1G<\/td>SOD-323<\/td>20V 100mA Schottky<\/td><\/tr>\n
        Vishay<\/td>SB140S<\/td>DO-214AC<\/td>40V 1A Schottky, larger package<\/td><\/tr>\n
        ROHM<\/td>RB521CM30<\/td>SOD-323<\/td>30V 100mA Schottky<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10931","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/comments?post=10931"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10931\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=10931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=10931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=10931"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=10931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}