{"id":7180,"date":"2026-06-23T06:05:33","date_gmt":"2026-06-23T06:05:33","guid":{"rendered":"https:\/\/materialparts.com\/3224w-1-503e\/"},"modified":"2026-06-23T06:05:33","modified_gmt":"2026-06-23T06:05:33","slug":"3224w-1-503e","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/3224w-1-503e\/","title":{"rendered":"3224W-1-503E"},"content":{"rendered":"

Productos<\/h2>\n

The 3224W-1-503E from Bourns is a 50kOhm, 0.25W, 12-turn cermet trimmer potentiometer in a J-lead SMD package. Part of the Trimpot 3224 sealed series, it provides precise high-value resistance adjustment for high-impedance circuits and sensor interface calibration.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n
Resistance<\/td>\n50 kOhm<\/td>\n<\/tr>\n
Power Rating<\/td>\n0.25 W<\/td>\n<\/tr>\n
Tolerance<\/td>\n+\/-10%<\/td>\n<\/tr>\n
Turns<\/td>\n12 (multiturn)<\/td>\n<\/tr>\n
Adjustment<\/td>\nTop adjustment<\/td>\n<\/tr>\n
Temperature Range<\/td>\n-55C to +125C<\/td>\n<\/tr>\n<\/table>\n

Caracter\u00edsticas<\/h2>\n
    \n
  • 50kOhm resistance for high-impedance circuit calibration<\/li>\n
  • 12-turn multiturn for fine resolution (~4.2kOhm per turn)<\/li>\n
  • Cermet resistive element with excellent long-term stability<\/li>\n
  • Sealed construction for harsh environment resistance<\/li>\n
  • J-lead surface-mount package for SMT assembly<\/li>\n
  • Top-adjustment for accessible post-assembly tuning<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • High-impedance sensor interface calibration<\/li>\n
    • Precision instrumentation amplifier gain setting<\/li>\n
    • Time constant adjustment in low-frequency filters<\/li>\n
    • Bias current trimming in photodiode amplifiers<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The 3224W-1-503E from Bourns is a 50kOhm, 0.25W, 12-turn cermet trimmer potentiometer in a J-lead SMD package. Part of the Trimpot 3224 sealed series, it provides precise high-value resistance adjustment for high-impedance circuits and sensor interface calibration. Key Specifications Resistance 50 kOhm Power Rating 0.25 W Tolerance +\/-10% Turns 12 (multiturn) Adjustment Top […]<\/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":[69,13],"tags":[],"chip_brand":[220],"class_list":["post-7180","post","type-post","status-publish","format-standard","hentry","category-board-to-board-connectors","category-integrated-circuits-ics","chip_brand-bourns"],"acf":{"brief_explanation":"50kOhm 0.25W 12-turn cermet trimmer, J-lead SMD, sealed, top-adjust, Bourns 3224 series","date_code":"","package_case":"J-lead SMD (4.80 x 3.50 x 5.30 mm)","in_stock":10760,"datasheet":"https:\/\/www.bourns.com\/docs\/default-datasheet\/3224.pdf","price":"$0.55 @ 1ku","product_introduction":"The 3224W-1-503E from Bourns is a 50kOhm, 0.25W, 12-turn cermet trimmer potentiometer in a J-lead surface-mount package. The 50kOhm resistance value is well-suited for high-impedance circuit applications including sensor interface calibration, instrumentation amplifier gain setting, and low-frequency filter tuning. The 12-turn resolution provides approximately 4.17kOhm per turn for precise adjustment in circuits where small resistance changes have significant effects. The cermet resistive element maintains stability over temperature and time, with typical resistance change less than 2% after 1000 hours. The sealed construction prevents contamination during PCB assembly processes. The J-lead SMD package enables automated pick-and-place assembly while the top-adjustment design allows easy post-assembly tuning.","working_principle":"The 3224W-1-503E uses the same cermet trimmer architecture as other 3224 series devices with a 50kOhm resistive track. (1) Cermet Element: The 50kOhm resistance is achieved through a higher-resistivity cermet composition and optimized track geometry. The resistive track maintains +\/-10% tolerance and stable characteristics over temperature. (2) Multiturn: 12 rotations provide approximately 4.17kOhm per turn, suitable for fine calibration in high-impedance circuits where small percentage changes in resistance produce meaningful signal changes. (3) Power Rating: The 0.25W power rating at 50kOhm corresponds to a maximum voltage of approximately 112V across the element, or approximately 2.24mA maximum wiper current. (4) Sealed: The O-ring sealed construction protects against flux ingress and moisture.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>CCW<\/td>Terminal<\/td>Counter-clockwise end<\/td><\/tr>
      2<\/td>Wiper<\/td>Terminal<\/td>Adjustable wiper output<\/td><\/tr>
      3<\/td>CW<\/td>Terminal<\/td>Clockwise end<\/td><\/tr><\/table>","application_scenarios":"
      • High-impedance sensor interface calibration with 50kOhm range<\/li>
      • Precision instrumentation amplifier gain setting at 12-turn resolution<\/li>
      • Time constant adjustment in low-frequency RC filter circuits<\/li>
      • Bias current trimming in photodiode transimpedance amplifiers<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Bourns<\/td>3224W-1-104E<\/td>J-lead SMD<\/td>100kOhm version<\/td><\/tr>
        Bourns<\/td>3224W-1-502E<\/td>J-lead SMD<\/td>5kOhm version<\/td><\/tr>
        Vishay<\/td>T93YA-1-50K<\/td>SMD<\/td>50kOhm Vishay trimmer<\/td><\/tr>
        Murata<\/td>PVZ3A503C01R00<\/td>SMD<\/td>50kOhm, 3mm square<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7180","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=7180"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7180\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=7180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=7180"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=7180"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=7180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}