{"id":9328,"date":"2026-07-03T05:50:52","date_gmt":"2026-07-03T05:50:52","guid":{"rendered":"https:\/\/materialparts.com\/rk73h1ettp20r0f\/"},"modified":"2026-07-03T08:05:56","modified_gmt":"2026-07-03T08:05:56","slug":"rk73h1ettp20r0f","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/rk73h1ettp20r0f\/","title":{"rendered":"RK73H1ETTP20R0F"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The RK73H1ETTP20R0F is an automotive-grade thick film chip resistor from KOA Speer’s RK73H series, featuring 20Ohm resistance with +\/-1% tolerance in a 0402 (1005 Metric) surface-mount package. Rated at 0.063W with +\/-100 ppm\/C TCR, AEC-Q200 qualified for precision signal conditioning in space-constrained automotive applications.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n
Resistance<\/td>\n20 Ohm<\/td>\n<\/tr>\n
Tolerance<\/td>\n+\/-1% (F)<\/td>\n<\/tr>\n
Power Rating<\/td>\n0.063W (1\/16W)<\/td>\n<\/tr>\n
TCR<\/td>\n+\/-100 ppm\/C<\/td>\n<\/tr>\n
Package \/ Case<\/td>\n0402 (1005 Metric)<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-55C to +155C<\/td>\n<\/tr>\n
\u0627\u0644\u0645\u0624\u0647\u0644\u0627\u062a<\/td>\nAEC-Q200<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • AEC-Q200 automotive qualified<\/li>\n
  • +\/-1% precision tolerance for low resistance<\/li>\n
  • 20Ohm for signal damping and matching<\/li>\n
  • Ultra-compact 0402 footprint<\/li>\n
  • +\/-100 ppm\/C low TCR<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Precision signal line damping<\/li>\n
    • RF impedance matching<\/li>\n
    • Current sensing calibration<\/li>\n
    • Miniaturized filter networks<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The RK73H1ETTP20R0F is an automotive-grade thick film chip resistor from KOA Speer’s RK73H series, featuring 20Ohm resistance with +\/-1% tolerance in a 0402 (1005 Metric) surface-mount package. Rated at 0.063W with +\/-100 ppm\/C TCR, AEC-Q200 qualified for precision signal conditioning in space-constrained automotive applications. Key Specifications Resistance 20 Ohm Tolerance +\/-1% (F) Power […]<\/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":[13,62],"tags":[759],"chip_brand":[400],"class_list":["post-9328","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-resistors","tag-rk73h1ettp20r0f","chip_brand-koa-speer"],"acf":{"brief_explanation":"20Ohm +\/-1% 0.063W thick film resistor, 0402, +\/-100 ppm\/C, AEC-Q200","date_code":"","package_case":"0402 (1005 Metric) 1.0 x 0.5 x 0.35 mm","in_stock":33180,"datasheet":"https:\/\/www.koaglobal.com\/-\/media\/Files\/KOA_Global\/product\/commonpdf\/rk73h.pdf","price":"$0.006 @ 10ku","product_introduction":"The RK73H1ETTP20R0F is an automotive-grade thick film chip resistor from KOA Speer's RK73H series, featuring 20Ohm resistance with +\/-1% tolerance in a 0402 (1005 Metric) surface-mount package. Rated at 0.063W with +\/-100 ppm\/C TCR, AEC-Q200 qualified. The 1% tolerance on a low 20Ohm value provides precision for signal damping, impedance matching, and filter networks in space-constrained automotive designs.","working_principle":"The RK73H1ETTP20R0F operates as a passive thick film resistor:\n\n1. Precision Low Resistance: Achieving 1% tolerance on a 20Ohm value requires precise laser trimming and process control. The +\/-0.2Ohm tolerance band ensures consistent damping characteristics.\n\n2. Signal Conditioning: 20Ohm is a common value for source termination on digital signal lines (reducing ringing) and for RF matching networks.\n\n3. 0402 Miniaturization: Enables precision resistance in the smallest commonly used package size.\n\n4. AEC-Q200: Automotive qualification ensures reliability despite the compact package size.\n\n5. TCR Performance: +\/-100 ppm\/C on a 20Ohm resistor means only +\/-2Ohm drift over 100C, maintaining consistent circuit behavior.","pin_description":"\n
      Terminal<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>\n
      1<\/td>Terminal A<\/td>Passive<\/td>Resistive element connection<\/td><\/tr>\n
      2<\/td>Terminal B<\/td>Passive<\/td>Resistive element connection<\/td><\/tr>\n<\/table>","application_scenarios":"\n
      Application<\/th>Circuit Role<\/th>Key Requirement<\/th><\/tr>\n
      Signal Termination<\/td>Source termination for high-speed lines<\/td>20Ohm, 1%, 0402, AEC-Q200<\/td><\/tr>\n
      RF Matching<\/td>Impedance matching network<\/td>20Ohm, 1%, +\/-100 ppm\/C<\/td><\/tr>\n
      Filter Network<\/td>RC filter damping resistor<\/td>0402, 20Ohm, precision<\/td><\/tr>\n
      Current Sense<\/td>Calibration\/shunt element<\/td>20Ohm, 1%, 0402<\/td><\/tr>\n
      Miniature ECU<\/td>Space-constrained damping<\/td>0402, AEC-Q200, 1%<\/td><\/tr>\n<\/table>","alternative_models":"\n
      Manufacturer<\/th>Part Number<\/th>Package<\/th>Key Specs<\/th>Notes<\/th><\/tr>\n
      Vishay<\/td>CRCW040220R0FKED<\/td>0402<\/td>20Ohm, 1%, 0.063W, AEC-Q200<\/td>Direct equivalent<\/td><\/tr>\n
      Panasonic<\/td>ERJ-2RKF20R0X<\/td>0402<\/td>20Ohm, 1%, 0.1W, AEC-Q200<\/td>Higher power rating<\/td><\/tr>\n
      Yageo<\/td>RC0402FR-0720RL<\/td>0402<\/td>20Ohm, 1%, 0.063W<\/td>Direct equivalent<\/td><\/tr>\n
      Samsung<\/td>RC1005F20R0CS<\/td>0402<\/td>20Ohm, 1%, 0.063W<\/td>Direct equivalent<\/td><\/tr>\n
      Bourns<\/td>CR0402-FX-20R0GLF<\/td>0402<\/td>20Ohm, 1%, 0.063W<\/td>Direct equivalent<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9328","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=9328"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9328\/revisions"}],"predecessor-version":[{"id":9360,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9328\/revisions\/9360"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=9328"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=9328"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=9328"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=9328"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}