{"id":10596,"date":"2026-07-20T06:38:40","date_gmt":"2026-07-20T06:38:40","guid":{"rendered":"https:\/\/ic-vendor.com\/ta2621c\/"},"modified":"2026-07-20T06:38:40","modified_gmt":"2026-07-20T06:38:40","slug":"ta2621c","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/ta2621c\/","title":{"rendered":"TA2621C"},"content":{"rendered":"

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

The TA2621C from TDK\/EPCOS is a SMD power inductor designed for DC-DC converter and power supply applications. It features a compact surface-mount form factor with high current handling capability and low DC resistance. The device is suitable for use in point-of-load regulators, embedded power supplies, and battery management systems.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n
\u7c7b\u578b<\/td>\nSMD Power Inductor (shielded)<\/td>\n<\/tr>\n
Inductance<\/td>\nRefer to specific part marking<\/td>\n<\/tr>\n
Tolerance<\/td>\n\u00b120% (typical)<\/td>\n<\/tr>\n
DC Resistance<\/td>\nRefer to specific inductance value<\/td>\n<\/tr>\n
Rated Current<\/td>\nRefer to specific inductance value<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +125\u00b0C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSMD (surface mount)<\/td>\n<\/tr>\n
Core Type<\/td>\nFerrite (magnetic shielded)<\/td>\n<\/tr>\n
Mounting<\/td>\n\u8868\u9762\u8d34\u88c5<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Magnetically shielded construction for low EMI<\/li>\n
  • Compact SMD package for high-density PCB layouts<\/li>\n
  • High saturation current capability<\/li>\n
  • Low DC resistance for high efficiency<\/li>\n
  • Compatible with automated pick-and-place assembly<\/li>\n
  • Wide operating temperature range: -40\u00b0C to +125\u00b0C<\/li>\n
  • Suitable for high-frequency DC-DC converters<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • DC-DC buck\/boost converters<\/li>\n
    • Point-of-load (POL) power supplies<\/li>\n
    • Battery management systems<\/li>\n
    • LED driver power stages<\/li>\n
    • Industrial control power modules<\/li>\n
    • Telecom and networking equipment<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The TA2621C from TDK\/EPCOS is a SMD power inductor designed for DC-DC converter and power supply applications. It features a compact surface-mount form factor with high current handling capability and low DC resistance. The device is suitable for use in point-of-load regulators, embedded power supplies, and battery management systems. Key Specifications Type SMD […]<\/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":[1934],"chip_brand":[205],"class_list":["post-10596","post","type-post","status-publish","format-standard","hentry","category-insulated-gate-bipolar-transistors-igbt","category-integrated-circuits-ics","tag-ta2621c","chip_brand-tdk"],"acf":{"brief_explanation":"SMD power inductor, shielded, for DC-DC converters, -40 to 125\u00b0C","date_code":"","package_case":"SMD (surface mount)","in_stock":3120,"datasheet":"https:\/\/www.tdk-electronics.tdk.com\/inf\/30\/ds\/ta2621c.pdf","price":"$0.28 @ 1ku","product_introduction":"The TA2621C from TDK\/EPCOS is a surface-mount power inductor designed for use in DC-DC converters and power management circuits. The device features a magnetically shielded construction that minimizes electromagnetic interference (EMI) with nearby components, making it ideal for high-density PCB layouts. The inductor is wound on a ferrite core with a low-profile package suitable for automated surface-mount assembly. The TA series offers high saturation current capability and low DC resistance, ensuring high power conversion efficiency. The device operates over a -40\u00b0C to +125\u00b0C temperature range, making it suitable for industrial and automotive applications.","working_principle":"The TA2621C operates through the principle of electromagnetic energy storage:\n\n1. Energy Storage: When current flows through the inductor coil, energy is stored in the magnetic field of the ferrite core. The inductance value determines the amount of energy stored for a given current: E = 0.5 \u00d7 L \u00d7 I\u00b2. The ferrite core material provides high permeability, enabling high inductance in a compact package.\n\n2. Magnetic Shielding: The shielded construction uses a magnetic material enclosure around the coil, which confines the magnetic flux within the inductor body. This reduces electromagnetic coupling to adjacent PCB components, enabling tighter component placement without EMI issues.\n\n3. DC-DC Converter Operation: In a switching regulator, the inductor stores energy during the switch-on phase and releases it to the load during the switch-off phase. The low DC resistance minimizes conduction losses (I\u00b2R), while the high saturation current ensures the inductance remains stable under peak current conditions.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>Terminal 1<\/td>Passive<\/td>Inductor terminal (no polarity)<\/td><\/tr>
      2<\/td>Terminal 2<\/td>Passive<\/td>Inductor terminal (no polarity)<\/td><\/tr><\/table>","application_scenarios":"
      • DC-DC converters: Shielded construction enables use in multi-output buck and boost converters with minimal cross-coupling between adjacent inductors<\/li>
      • Point-of-load supplies: Compact SMD package for distributed power architectures in computing and telecom equipment requiring high efficiency<\/li>
      • LED drivers: High saturation current handles peak inductor currents in LED driver circuits with PWM dimming<\/li>
      • Industrial control: -40\u00b0C to +125\u00b0C operating range suits motor control and PLC auxiliary power supply circuits<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        TDK\/EPCOS<\/td>B82442A2<\/td>SMD<\/td>Similar series, different dimensions<\/td><\/tr>
        Coilcraft<\/td>XAL4040-222MEC<\/td>4x4 mm<\/td>Shielded, 2.2 \u00b5H, high current<\/td><\/tr>
        Vishay<\/td>IHLP-2020BZ-01<\/td>2x2 mm<\/td>Shielded, low profile<\/td><\/tr>
        Bourns<\/td>SRP2010TA-2R2M<\/td>2x2.5 mm<\/td>Semi-shielded, 2.2 \u00b5H<\/td><\/tr>
        W\u00fcrth<\/td>744043100<\/td>SMD<\/td>10 \u00b5H, shielded<\/td><\/tr>
        Murata<\/td>LQM2HPN2R2MG0L<\/td>SMD<\/td>2.2 \u00b5H, low profile<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10596","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=10596"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10596\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=10596"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=10596"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=10596"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=10596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}