{"id":9296,"date":"2026-07-03T04:45:32","date_gmt":"2026-07-03T04:45:32","guid":{"rendered":"https:\/\/materialparts.com\/cga2b2x8r2a221k050ba\/"},"modified":"2026-07-03T04:45:52","modified_gmt":"2026-07-03T04:45:52","slug":"cga2b2x8r2a221k050ba","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/cga2b2x8r2a221k050ba\/","title":{"rendered":"CGA2B2X8R2A221K050BA"},"content":{"rendered":"

Productos<\/h2>\n

The CGA2B2X8R2A221K050BA is an automotive-grade MLCC from TDK’s CGA series, featuring 220pF capacitance with \u00b110% tolerance at 250V DC using X8R dielectric in an ultra-compact 0402 (1005 Metric) surface-mount package. The X8R dielectric extends the operating temperature range to -55\u00b0C to +150\u00b0C, 25\u00b0C higher than X7R, making it ideal for under-hood automotive applications. AEC-Q200 qualified.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n
Capacitance<\/td>\n220pF<\/td>\n<\/tr>\n
Tolerance<\/td>\n\u00b110% (K)<\/td>\n<\/tr>\n
Rated Voltage<\/td>\n250V DC<\/td>\n<\/tr>\n
Dielectric<\/td>\nX8R<\/td>\n<\/tr>\n
Package \/ Case<\/td>\n0402 (1005 Metric)<\/td>\n<\/tr>\n
Temperatura de funcionamiento<\/td>\n-55\u00b0C to +150\u00b0C<\/td>\n<\/tr>\n
Temperature Stability<\/td>\n\u00b115%<\/td>\n<\/tr>\n
Cualificaci\u00f3n<\/td>\nAEC-Q200<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • X8R dielectric: -55\u00b0C to +150\u00b0C extended temperature range<\/li>\n
  • 250V high voltage rating in ultra-compact 0402<\/li>\n
  • AEC-Q200 automotive qualified<\/li>\n
  • \u00b115% temperature stability across full range<\/li>\n
  • Ideal for under-hood automotive applications<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Automotive under-hood EMI filtering<\/li>\n
    • High-voltage decoupling in automotive ECUs<\/li>\n
    • Engine compartment signal conditioning<\/li>\n
    • Industrial high-temperature circuits<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The CGA2B2X8R2A221K050BA is an automotive-grade MLCC from TDK’s CGA series, featuring 220pF capacitance with \u00b110% tolerance at 250V DC using X8R dielectric in an ultra-compact 0402 (1005 Metric) surface-mount package. The X8R dielectric extends the operating temperature range to -55\u00b0C to +150\u00b0C, 25\u00b0C higher than X7R, making it ideal for under-hood automotive applications. […]<\/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":[61,13],"tags":[452],"chip_brand":[205],"class_list":["post-9296","post","type-post","status-publish","format-standard","hentry","category-capacitors","category-integrated-circuits-ics","tag-cga2b2x8r2a221k050ba","chip_brand-tdk"],"acf":{"brief_explanation":"220pF 250V X8R MLCC, 0402, \u00b110%, -55\u00b0C to +150\u00b0C, AEC-Q200","date_code":"","package_case":"0402 (1005 Metric) 1.0 x 0.5 x 0.5 mm","in_stock":35000,"datasheet":"https:\/\/product.tdk.com\/system\/files\/dam\/doc\/product\/capacitor\/ceramic\/mlcc\/automotive\/cga2b.pdf","price":"$0.008 @ 10ku","product_introduction":"The CGA2B2X8R2A221K050BA is an automotive-grade MLCC from TDK's CGA series, featuring 220pF capacitance with \u00b110% tolerance at 250V DC using X8R dielectric in an ultra-compact 0402 (1005 Metric) surface-mount package. The X8R dielectric extends the operating temperature range to -55\u00b0C to +150\u00b0C, 25\u00b0C higher than standard X7R, making it ideal for under-hood automotive applications where ambient temperatures can exceed 125\u00b0C. AEC-Q200 qualified for automotive reliability.","working_principle":"The CGA2B2X8R2A221K050BA operates as a passive MLCC capacitor:\n\n1. X8R Dielectric: Unlike X7R which is rated to +125\u00b0C, X8R maintains \u00b115% capacitance stability up to +150\u00b0C. This is achieved through advanced ceramic formulations that stabilize the crystal structure at elevated temperatures. X8R is critical for under-hood automotive applications where ambient temperatures can reach 125-140\u00b0C.\n\n2. High Voltage in 0402: Achieving 250V rating in 0402 requires precise control of dielectric layer thickness and creepage distance between inner electrodes. TDK's manufacturing expertise enables this combination.\n\n3. Temperature Performance: The X8R temperature coefficient curve is relatively flat from -55\u00b0C to +150\u00b0C, with the capacitance staying within \u00b115% of the room temperature value throughout the entire range.\n\n4. AEC-Q200: Qualified through rigorous automotive testing including 1000-hour bias humidity, thermal shock, and extended temperature cycling.","pin_description":"\n
      Terminal<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>\n
      1<\/td>Terminal A<\/td>Passive<\/td>Capacitor electrode - one set of inner electrodes<\/td><\/tr>\n
      2<\/td>Terminal B<\/td>Passive<\/td>Capacitor electrode - alternate set of inner electrodes<\/td><\/tr>\n<\/table>\n

      Note: 2-terminal passive MLCC, no polarity. The 250V\/0402 combination requires careful PCB design with adequate creepage\/clearance per IEC 60664. Reflow soldering only for 0402 package.<\/p>","application_scenarios":"\n
      Application<\/th>Circuit Role<\/th>Key Requirement<\/th><\/tr>\n
      Under-Hood ECU<\/td>High-voltage EMI filtering near engine<\/td>250V, 150\u00b0C, X8R, AEC-Q200<\/td><\/tr>\n
      Engine Management<\/td>Sensor signal decoupling at high temp<\/td>220pF, 250V, 150\u00b0C max<\/td><\/tr>\n
      Transmission Control<\/td>High-temperature bypass capacitor<\/td>X8R, -55\u00b0C to +150\u00b0C<\/td><\/tr>\n
      Industrial Furnace<\/td>High-temperature signal filtering<\/td>150\u00b0C operating, 250V rated<\/td><\/tr>\n
      Power Inverter<\/td>Gate drive high-voltage filtering<\/td>250V, 0402 compact, X8R<\/td><\/tr>\n<\/table>","alternative_models":"\n
      Manufacturer<\/th>Part Number<\/th>Package<\/th>Key Specs<\/th>Notes<\/th><\/tr>\n
      Murata<\/td>GCM155R72A221KA37D<\/td>0402<\/td>220pF, 100V, X7R, 10%<\/td>Lower voltage, X7R<\/td><\/tr>\n
      KYOCERA AVX<\/td>04021C221KAT2A<\/td>0402<\/td>220pF, 100V, X7R, 10%<\/td>Lower voltage, X7R<\/td><\/tr>\n
      KEMET<\/td>C0402C221K1RACTU<\/td>0402<\/td>220pF, 100V, X7R, 10%<\/td>Lower voltage, X7R<\/td><\/tr>\n
      Samsung<\/td>CL05B221KB5NNNC<\/td>0402<\/td>220pF, 50V, X7R, 10%<\/td>Lower voltage, X7R<\/td><\/tr>\n
      TDK<\/td>C1005X8R2A221K050BA<\/td>0402<\/td>220pF, 250V, X8R, 10%<\/td>Commercial grade equivalent<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/comments?post=9296"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9296\/revisions"}],"predecessor-version":[{"id":9306,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9296\/revisions\/9306"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=9296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=9296"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=9296"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=9296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}