{"id":10417,"date":"2026-07-19T13:08:23","date_gmt":"2026-07-19T13:08:23","guid":{"rendered":"https:\/\/ic-vendor.com\/cmf0402-50k5-0-1-25ppm-k-2\/"},"modified":"2026-07-19T13:08:23","modified_gmt":"2026-07-19T13:08:23","slug":"cmf0402-50k5-0-1-25ppm-k-2","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/cmf0402-50k5-0-1-25ppm-k-2\/","title":{"rendered":"CMF0402 50K5 0.1% 25PPM\/K"},"content":{"rendered":"

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

The CMF0402 50K5 0.1% 25PPM\/K is a 50.5kOhm (50K5) thin-film precision chip resistor in an 0402 (1005 metric) package. It features 0.1% tolerance and 25ppm\/\u00b0C temperature coefficient for high-precision measurement and reference applications.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n
Resistance<\/td>\n50.5kOhm (50K5)<\/td>\n<\/tr>\n
Tolerance<\/td>\n\u00b10.1%<\/td>\n<\/tr>\n
Temperature Coefficient<\/td>\n\u00b125ppm\/\u00b0C<\/td>\n<\/tr>\n
Rated Power<\/td>\n1\/16W (62.5mW) @ 70\u00b0C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\n0402 (1005 Metric)<\/td>\n<\/tr>\n
Resistor Type<\/td>\nThin Film (Precision)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-55\u00b0C to +155\u00b0C<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • Ultra-precision 0.1% tolerance<\/li>\n
  • Low 25ppm\/\u00b0C temperature coefficient<\/li>\n
  • Thin-film construction for stability<\/li>\n
  • Compact 0402 footprint<\/li>\n
  • Low noise and low TCR drift<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Precision voltage dividers and references<\/li>\n
    • Instrumentation amplifier gain setting<\/li>\n
    • Data acquisition and measurement circuits<\/li>\n
    • Calibration and trimming networks<\/li>\n
    • Medical device sensor interfaces<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The CMF0402 50K5 0.1% 25PPM\/K is a 50.5kOhm (50K5) thin-film precision chip resistor in an 0402 (1005 metric) package. It features 0.1% tolerance and 25ppm\/\u00b0C temperature coefficient for high-precision measurement and reference applications. Key Specifications Resistance 50.5kOhm (50K5) Tolerance \u00b10.1% Temperature Coefficient \u00b125ppm\/\u00b0C Rated Power 1\/16W (62.5mW) @ 70\u00b0C Package 0402 (1005 Metric) […]<\/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":[60,62],"tags":[1717,1719,1720],"chip_brand":[136],"class_list":["post-10417","post","type-post","status-publish","format-standard","hentry","category-passive-components","category-resistors","tag-cmf0402-50k5-0-1-25ppm-k","tag-precision-resistor","tag-thin-film","chip_brand-vishay"],"acf":{"brief_explanation":"50.5k\u03a9 Thin Film Precision Resistor, 0.1%, 25ppm\/\u00b0C, 0402, -55~155\u00b0C","date_code":"","package_case":"0402 (1005 Metric, 0.5mm height max)","in_stock":4500,"datasheet":"https:\/\/www.vishay.com\/resistors-thin-film\/","price":"","product_introduction":"The CMF0402 50K5 0.1% 25PPM\/K is a 50.5kOhm thin-film precision chip resistor in an 0402 surface-mount package. The 0.1% tolerance and 25ppm\/\u00b0C temperature coefficient provide exceptional accuracy and stability for precision voltage dividers, instrumentation amplifier gain networks, and reference circuits. The thin-film construction ensures low noise, low TCR drift, and excellent long-term stability. Despite the compact 0402 footprint, the resistor handles 62.5mW rated power at 70\u00b0C.","working_principle":"The thin-film resistor is manufactured by depositing a thin (typically 50-200nm) metal alloy film (nichrome or tantalum nitride) on a ceramic substrate, then laser trimming to achieve the precise 50.5kOhm resistance with \u00b10.1% tolerance. The thin-film structure provides inherently low noise (no current noise mechanism as in thick-film), low temperature coefficient (25ppm\/\u00b0C), and excellent long-term stability (<0.1% drift per 1000 hours). The laser trim cut is optimized to minimize TCR impact, maintaining the 25ppm\/\u00b0C specification across the full resistance range.","pin_description":"
      Terminal<\/th>Function<\/th><\/tr>
      Terminal 1<\/td>Resistor connection (non-polarized)<\/td><\/tr>
      Terminal 2<\/td>Resistor connection (non-polarized)<\/td><\/tr><\/table>","application_scenarios":"
      • Precision voltage divider for ADC reference scaling<\/li>\n
      • Instrumentation amplifier gain-setting resistor<\/li>\n
      • Data acquisition system precision feedback network<\/li>\n
      • Medical device sensor bridge completion<\/li>\n
      • Calibration and trimming resistor networks<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Value<\/th>Notes<\/th><\/tr>
        Yageo<\/td>RC0402FR-0750KL<\/td>50k\u03a9<\/td>1% tolerance, thick film<\/td><\/tr>
        Panasonic<\/td>ERJ-2RKF5002X<\/td>50k\u03a9<\/td>1% tolerance, thick film<\/td><\/tr>
        Susumu<\/td>RG1005P-5052-B-T5<\/td>50.5k\u03a9<\/td>0.1%, thin film equivalent<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10417","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/comments?post=10417"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10417\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=10417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=10417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=10417"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=10417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}