{"id":9185,"date":"2026-07-02T13:34:08","date_gmt":"2026-07-02T13:34:08","guid":{"rendered":"https:\/\/materialparts.com\/rk73b1jttd103j\/"},"modified":"2026-07-02T13:54:00","modified_gmt":"2026-07-02T13:54:00","slug":"rk73b1jttd103j","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/rk73b1jttd103j\/","title":{"rendered":"RK73B1JTTD103J"},"content":{"rendered":"

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

The RK73B1JTTD103J is a KOA Speer AEC-Q200 qualified thick film chip resistor in a 0603 (1608 metric) package. Featuring 10k\u03a9 resistance with \u00b15% tolerance, 0.1W power rating, \u00b1200ppm\/\u00b0C temperature coefficient, and anti-sulfuration construction, it is designed for automotive and industrial applications requiring reliable resistive elements in harsh environments.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
Resistance<\/td>\n10k\u03a9<\/td>\n<\/tr>\n
Tolerance<\/td>\n\u00b15%<\/td>\n<\/tr>\n
Power Rating<\/td>\n0.1W (1\/10W) @ 70\u00b0C ambient<\/td>\n<\/tr>\n
Temperature Coefficient (TCR)<\/td>\n\u00b1200ppm\/\u00b0C<\/td>\n<\/tr>\n
Maximum Working Voltage<\/td>\n75V<\/td>\n<\/tr>\n
Maximum Overload Voltage<\/td>\n150V<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-55\u00b0C to +155\u00b0C<\/td>\n<\/tr>\n
Rated Ambient Temperature<\/td>\n70\u00b0C (derating to 0W at 155\u00b0C)<\/td>\n<\/tr>\n
\u8d44\u683c<\/td>\nAEC-Q200<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\n0603 (1608 Metric)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • AEC-Q200 qualified for automotive applications<\/li>\n
  • Anti-sulfuration construction for harsh environments<\/li>\n
  • Metal glaze thick film on ceramic substrate<\/li>\n
  • Suitable for reflow and flow soldering<\/li>\n
  • EU RoHS compliant (Pb-free termination)<\/li>\n
  • Wide resistance range in the RK73B family<\/li>\n
  • 3-layer electrode structure for high reliability<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Automotive ECU voltage dividers<\/li>\n
    • Pull-up and pull-down resistors<\/li>\n
    • Feedback and bias networks<\/li>\n
    • Industrial control circuits<\/li>\n
    • General-purpose resistance in harsh environments<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The RK73B1JTTD103J is a KOA Speer AEC-Q200 qualified thick film chip resistor in a 0603 (1608 metric) package. Featuring 10k\u03a9 resistance with \u00b15% tolerance, 0.1W power rating, \u00b1200ppm\/\u00b0C temperature coefficient, and anti-sulfuration construction, it is designed for automotive and industrial applications requiring reliable resistive elements in harsh environments. Key Specifications Resistance 10k\u03a9 Tolerance […]<\/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":[13,51],"tags":[],"chip_brand":[400],"class_list":["post-9185","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-optocouplers-photocouplers","chip_brand-koa-speer"],"acf":{"brief_explanation":"AEC-Q200 10k\u03a9 5% 0.1W thick film resistor, 0603, \u00b1200ppm\/\u00b0C, anti-sulfuration","date_code":"","package_case":"0603 (1608 Metric, 1.60 x 0.80 x 0.45 mm)","in_stock":590793,"datasheet":"https:\/\/www.koaglobal.com\/-\/media\/Files\/KOA_Global\/EN\/product\/commonpdf\/rk73b.pdf","price":"$0.0035 @ 5ku","product_introduction":"The RK73B1JTTD103J is a KOA Speer AEC-Q200 qualified thick film chip resistor in a 0603 (1608 metric) package. Featuring 10k\u03a9 resistance with \u00b15% tolerance, 0.1W power rating at 70\u00b0C, and \u00b1200ppm\/\u00b0C temperature coefficient, it uses metal glaze thick film on ceramic substrate for excellent heat and weather resistance. The anti-sulfuration terminal construction prevents silver sulfide formation in sulfur-contaminated environments, making it ideal for automotive, aerospace, and industrial applications. The 3-layer electrode structure (inner electrode \/ Ni barrier \/ Sn plating) ensures high reliability and solderability.","working_principle":"The RK73B1JTTD103J operates as a fixed thick film resistor using metal glaze thick film deposited on an alumina ceramic substrate. The resistive element is a metal-oxide-glass composite (metal glaze) that provides excellent thermal stability and environmental resistance. The resistance value of 10k\u03a9 is determined by the composition, thickness, and pattern of the thick film layer. Laser trimming adjusts the value to within \u00b15% tolerance. The TCR of \u00b1200ppm\/\u00b0C means the resistance changes by no more than 0.02% per degree Celsius, or \u00b12% over the full -55\u00b0C to +155\u00b0C range. The anti-sulfuration feature uses a terminal construction that resists silver sulfide formation, preventing resistance drift in sulfur-rich environments. Power derating is linear from 100% at 70\u00b0C to 0% at 155\u00b0C terminal temperature.","pin_description":"
      Pin<\/th>Mnemonic<\/th>Description<\/th><\/tr>
      1<\/td>Terminal 1<\/td>Resistive element connection (3-layer: inner Cu\/Ni barrier\/Sn)<\/td><\/tr>
      2<\/td>Terminal 2<\/td>Resistive element connection (3-layer: inner Cu\/Ni barrier\/Sn)<\/td><\/tr><\/table>","application_scenarios":"
      • Automotive ECU voltage divider with 10k\u03a9 at \u00b15% and AEC-Q200 reliability<\/li>\n
      • MCU GPIO pull-up\/pull-down resistor with anti-sulfuration protection in under-hood environments<\/li>\n
      • Operational amplifier feedback network with \u00b1200ppm\/\u00b0C stability over -55\u00b0C to +155\u00b0C<\/li>\n
      • Industrial control bias resistor with 0.1W power rating and MSL 1 rating<\/li>\n
      • General-purpose automotive resistance with 590k+ pieces in stock for volume production<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        RC0603JR-0710KL<\/td>Yageo<\/td>10k\u03a9 5% 0603, non-automotive standard<\/td><\/tr>
        CRCW060310K0JNEA<\/td>Vishay<\/td>10k\u03a9 5% 0603, automotive grade<\/td><\/tr>
        ERJ-3EKF1002V<\/td>Panasonic<\/td>10k\u03a9 1% 0603, precision alternative<\/td><\/tr>
        RK73H1JTTD1002F<\/td>KOA<\/td>10k\u03a9 1% 0603, precision RK73H series<\/td><\/tr>
        AC0603JR-0710KL<\/td>Yageo<\/td>10k\u03a9 5% 0603, automotive AEC-Q200<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9185","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=9185"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9185\/revisions"}],"predecessor-version":[{"id":9196,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9185\/revisions\/9196"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=9185"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=9185"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=9185"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=9185"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}