{"id":10607,"date":"2026-07-20T06:39:04","date_gmt":"2026-07-20T06:39:04","guid":{"rendered":"https:\/\/ic-vendor.com\/smk325b7473kn-t\/"},"modified":"2026-07-20T06:39:04","modified_gmt":"2026-07-20T06:39:04","slug":"smk325b7473kn-t","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/es\/smk325b7473kn-t\/","title":{"rendered":"SMK325B7473KN-T"},"content":{"rendered":"

Productos<\/h2>\n

The SMK325B7473KN-T from Taiyo Yuden is a 0.047\u00b5F (47nF) MLCC capacitor rated at 630V with X7R temperature coefficient in a 1210 package. Designed for high-voltage applications, it offers \u00b110% capacitance tolerance and operates from -55\u00b0C to +125\u00b0C. Ideal for SMPS snubber circuits and high-voltage DC link applications.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
Capacitance<\/td>\n0.047\u00b5F (47 nF)<\/td>\n<\/tr>\n
Tolerance<\/td>\n\u00b110% (K)<\/td>\n<\/tr>\n
Rated Voltage<\/td>\n630V DC<\/td>\n<\/tr>\n
Temperature Coefficient<\/td>\nX7R (\u00b115% over -55\u00b0C to +125\u00b0C)<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-55\u00b0C to +125\u00b0C<\/td>\n<\/tr>\n
Paquete<\/td>\n1210 (3225 Metric, 3.2 x 2.5 x 2.1 mm)<\/td>\n<\/tr>\n
Mounting<\/td>\nMontaje en superficie<\/td>\n<\/tr>\n
Packing<\/td>\nTape & Reel<\/td>\n<\/tr>\n
Dielectric<\/td>\nClass II (X7R)<\/td>\n<\/tr>\n
Feature<\/td>\nHigh voltage<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • 630V high voltage rating in compact 1210 package<\/li>\n
  • X7R temperature coefficient: \u00b115% over -55\u00b0C to +125\u00b0C<\/li>\n
  • 0.047\u00b5F capacitance with \u00b110% tolerance<\/li>\n
  • Low ESR and ESL for high-frequency filtering<\/li>\n
  • Suitable for SMPS snubber and DC link applications<\/li>\n
  • Compatible with lead-free reflow soldering<\/li>\n
  • RoHS compliant<\/li>\n
  • Surface mount for automated assembly<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • SMPS snubber circuits<\/li>\n
    • High-voltage DC link capacitors<\/li>\n
    • EMI filter capacitors<\/li>\n
    • Switching power supply input\/output filtering<\/li>\n
    • LED driver power stages<\/li>\n
    • Industrial motor drive filtering<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SMK325B7473KN-T from Taiyo Yuden is a 0.047\u00b5F (47nF) MLCC capacitor rated at 630V with X7R temperature coefficient in a 1210 package. Designed for high-voltage applications, it offers \u00b110% capacitance tolerance and operates from -55\u00b0C to +125\u00b0C. Ideal for SMPS snubber circuits and high-voltage DC link applications. Key Specifications Capacitance 0.047\u00b5F (47 nF) […]<\/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":[13,41],"tags":[1948],"chip_brand":[270],"class_list":["post-10607","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-read-only-memory-rom","tag-smk325b7473kn-t","chip_brand-taiyo-yuden"],"acf":{"brief_explanation":"0.047\u00b5F MLCC, 630V, X7R, \u00b110%, 1210 package, high voltage, SMPS snubber","date_code":"","package_case":"1210 (3.2 x 2.5 x 2.1 mm)","in_stock":7400,"datasheet":"https:\/\/www.yuden.co.jp\/productdata\/catalog\/mlcc_smk_e.pdf","price":"$0.72 @ 1ku","product_introduction":"The SMK325B7473KN-T from Taiyo Yuden is a 0.047\u00b5F multilayer ceramic capacitor (MLCC) with a 630V DC voltage rating in a 1210 (3225 metric) package. The X7R dielectric provides stable capacitance (\u00b115%) over the full -55\u00b0C to +125\u00b0C temperature range. The high voltage rating in a compact surface-mount package makes this device ideal for SMPS snubber circuits, high-voltage DC link filtering, and EMI suppression in power electronics. The SMK series uses Taiyo Yuden's advanced ceramic technology to achieve high capacitance density at high voltages. The K tolerance (\u00b110%) ensures predictable capacitance for filter and snubber circuit design. The capacitor is RoHS compliant and compatible with standard lead-free reflow soldering profiles.","working_principle":"The SMK325B7473KN-T operates as a passive capacitive element:\n\n1. MLCC Construction: The capacitor consists of multiple layers of barium titanate (BaTiO3) ceramic dielectric interleaved with inner electrode layers (typically nickel). The 0.047\u00b5F capacitance is achieved through the high dielectric constant of X7R ceramic (~3000) combined with the large effective electrode area from the multilayer structure. The 630V rating is achieved through sufficient dielectric layer thickness to prevent breakdown.\n\n2. X7R Characteristics: The X7R dielectric is a Class II ferroelectric ceramic. Its capacitance varies by \u00b115% over the -55\u00b0C to +125\u00b0C range, with the variation following the Curie temperature characteristic of the modified barium titanate. The capacitance also exhibits DC bias dependence (capacitance decreases with applied DC voltage) due to the ferroelectric domain saturation effect.\n\n3. High-Voltage Operation: The 630V rating ensures the dielectric layers can withstand the peak voltages encountered in SMPS snubber circuits and DC link applications. The low ESR (equivalent series resistance) and ESL (equivalent series inductance) of the MLCC structure enable effective high-frequency noise suppression.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>Terminal 1<\/td>Passive<\/td>Capacitor terminal (no polarity)<\/td><\/tr>
      2<\/td>Terminal 2<\/td>Passive<\/td>Capacitor terminal (no polarity)<\/td><\/tr><\/table>","application_scenarios":"
      • SMPS snubber: 0.047\u00b5F at 630V suits RCD snubber circuits across switching MOSFETs in flyback converters operating from 400V DC bus, absorbing leakage energy<\/li>
      • DC link filtering: 630V rating enables use as a DC link bypass capacitor in 400V PFC output stages, providing high-frequency ripple current bypass<\/li>
      • EMI filters: X7R stability over temperature ensures consistent EMI filter performance in conducted emission suppression circuits across industrial temperature range<\/li>
      • LED drivers: 0.047\u00b5F at 630V for snubber and filter circuits in offline LED lighting drivers operating from 85-265V AC mains<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Taiyo Yuden<\/td>SMK325B7473KN-T5<\/td>1210<\/td>Same specs, different packing<\/td><\/tr>
        TDK<\/td>C3225X7R2J473K200AB<\/td>1210<\/td>0.047\u00b5F, 630V, X7R<\/td><\/tr>
        Murata<\/td>GRM32DC72A473KW01L<\/td>1210<\/td>0.047\u00b5F, 100V, X7R<\/td><\/tr>
        Samsung<\/td>CL32B473KJVNNNE<\/td>1210<\/td>0.047\u00b5F, 630V, X7R<\/td><\/tr>
        Yageo<\/td>CC1210KKX7RBBB473<\/td>1210<\/td>0.047\u00b5F, 630V, X7R<\/td><\/tr>
        AVX<\/td>1210YC473KAT2A<\/td>1210<\/td>0.047\u00b5F, 630V, X7R<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/posts\/10607","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/comments?post=10607"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/posts\/10607\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/media?parent=10607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/categories?post=10607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/tags?post=10607"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/es\/wp-json\/wp\/v2\/chip_brand?post=10607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}