{"id":9395,"date":"2026-07-03T06:18:45","date_gmt":"2026-07-03T06:18:45","guid":{"rendered":"https:\/\/materialparts.com\/cga4j3x7r1h105k125ae\/"},"modified":"2026-07-03T07:38:08","modified_gmt":"2026-07-03T07:38:08","slug":"cga4j3x7r1h105k125ae","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/cga4j3x7r1h105k125ae\/","title":{"rendered":"CGA4J3X7R1H105K125AE"},"content":{"rendered":"

Productos<\/h2>\n

The CGA4J3X7R1H105K125AE is a 0805-size automotive-grade MLCC (Multi-Layer Ceramic Capacitor) from TDK, featuring 1uF capacitance, 50V DC rating, X7R temperature characteristic (+\/-10% over -55C to +125C), and AEC-Q200 compliance. The CGA series is designed for automotive applications requiring high reliability, with a 125C maximum operating temperature and 3x reflow soldering tolerance.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n\n\n\n
Capacitance<\/td>\n1 uF<\/td>\n<\/tr>\n
Rated Voltage<\/td>\n50V DC<\/td>\n<\/tr>\n
Temperature Characteristic<\/td>\nX7R (+\/-10% over -55C to +125C)<\/td>\n<\/tr>\n
Capacitance Tolerance<\/td>\n+\/-10% (K)<\/td>\n<\/tr>\n
Case Size<\/td>\n0805 (2.0 x 1.25 x 1.25 mm)<\/td>\n<\/tr>\n
Automotive Grade<\/td>\nAEC-Q200<\/td>\n<\/tr>\n
Max Operating Temperature<\/td>\n125C<\/td>\n<\/tr>\n
Termination<\/td>\nNi barrier \/ Sn-plated (reflow solderable)<\/td>\n<\/tr>\n
DC Bias Characteristic<\/td>\nModerate (X7R type, value decreases with voltage)<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • AEC-Q200 automotive qualified with proven reliability<\/li>\n
  • X7R dielectric for stable capacitance over temperature<\/li>\n
  • 50V rating suitable for 12V\/24V automotive systems with margin<\/li>\n
  • 0805 case size with compact footprint<\/li>\n
  • Low ESR and ESL for effective decoupling<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Automotive ECU power supply decoupling<\/li>\n
    • 12V\/24V battery line filtering<\/li>\n
    • Motor driver and inverter bypass capacitors<\/li>\n
    • Sensor signal conditioning filtering<\/li>\n
    • Infotainment and ADAS power rail capacitors<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The CGA4J3X7R1H105K125AE is a 0805-size automotive-grade MLCC (Multi-Layer Ceramic Capacitor) from TDK, featuring 1uF capacitance, 50V DC rating, X7R temperature characteristic (+\/-10% over -55C to +125C), and AEC-Q200 compliance. The CGA series is designed for automotive applications requiring high reliability, with a 125C maximum operating temperature and 3x reflow soldering tolerance. Key Specifications […]<\/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":[64,13],"tags":[541],"chip_brand":[205],"class_list":["post-9395","post","type-post","status-publish","format-standard","hentry","category-ferrite-beads","category-integrated-circuits-ics","tag-cga4j3x7r1h105k125ae","chip_brand-tdk"],"acf":{"brief_explanation":"MLCC 0805, 1uF, 50V, X7R, +\/-10%, AEC-Q200, automotive, TDK CGA series","date_code":"25+","package_case":"0805 (2.0 x 1.25 x 1.25 mm, EIA 2012)","in_stock":13431,"datasheet":"https:\/\/product.tdk.com\/en\/system\/files?file=dam\/doc\/product\/capacitor\/ceramic\/mlcc\/cga\/tdk_mlc_cga_en.pdf","price":"$0.025 @ 10ku","product_introduction":"The CGA4J3X7R1H105K125AE is an automotive-grade 0805 MLCC from TDK with 1uF capacitance, 50V DC rating, and X7R dielectric (+\/-10% over -55C to +125C). AEC-Q200 qualified, it is designed for automotive power supply decoupling and filtering in 12V\/24V systems. The 0805 case size provides a good balance of capacitance, voltage rating, and PCB footprint for under-hood and cabin electronics.","working_principle":"The CGA4J3X7R1H105K125AE is a multilayer ceramic capacitor using X7R (Class II) barium titanate-based dielectric. Multiple thin dielectric layers are interleaved with internal electrodes, stacked, and co-fired to create a monolithic capacitor structure. The X7R dielectric provides a relatively stable capacitance over the -55C to +125C temperature range (+\/-10% variation), making it suitable for decoupling and filtering where precise capacitance is not critical. The 50V DC rating provides adequate voltage margin for 12V and 24V automotive systems (typical operating at 14.4V and 28.8V respectively, with load dump transients up to 40V). As a Class II dielectric, the capacitance exhibits DC bias dependence: the effective capacitance decreases as the applied DC voltage increases, typically retaining 60-80% of nominal value at rated voltage. The Ni barrier termination with Sn plating provides excellent solderability and resistance to whisker growth.","pin_description":"\n
      Terminal<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>\n
      1<\/td>Terminal A<\/td>Electrode<\/td>First electrode connection (no polarity)<\/td><\/tr>\n
      2<\/td>Terminal B<\/td>Electrode<\/td>Second electrode connection (no polarity)<\/td><\/tr>\n<\/table>","application_scenarios":"\n
      Application<\/th>Circuit Role<\/th>Key Requirement<\/th><\/tr>\n
      ECU Decoupling<\/td>MCU\/sensor power supply bypass<\/td>1uF, 50V, AEC-Q200, 0805<\/td><\/tr>\n
      Battery Line Filter<\/td>12V\/24V input LC filter capacitor<\/td>50V, X7R, automotive grade<\/td><\/tr>\n
      Motor Driver<\/td>Inverter gate drive supply bypass<\/td>1uF, 50V, low ESR\/ESL<\/td><\/tr>\n
      ADAS Module<\/td>Power rail decoupling capacitor<\/td>0805, AEC-Q200, 125C max<\/td><\/tr>\n
      Infotainment<\/td>Audio amplifier bypass capacitor<\/td>1uF, X7R, low ESR<\/td><\/tr>\n<\/table>","alternative_models":"\n
      Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>\n
      CGA4J3X7R1H105K125AB<\/td>TDK<\/td>Same specs, different packaging option<\/td><\/tr>\n
      GCM21BR71H105KA03L<\/td>Murata<\/td>0805, 1uF, 50V, X7R, AEC-Q200 equivalent<\/td><\/tr>\n
      CL21B105KBFNNNE<\/td>Samsung<\/td>0805, 1uF, 50V, X7R, automotive<\/td><\/tr>\n
      C0805C105K5RACTU<\/td>KEMET<\/td>0805, 1uF, 50V, X7R, automotive grade<\/td><\/tr>\n
      08053C104K4Z2A<\/td>AVX\/Yageo<\/td>0805, 100nF, 50V (smaller capacitance)<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9395","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=9395"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9395\/revisions"}],"predecessor-version":[{"id":9423,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/9395\/revisions\/9423"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=9395"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=9395"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=9395"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=9395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}