{"id":7178,"date":"2026-06-23T06:05:31","date_gmt":"2026-06-23T06:05:31","guid":{"rendered":"https:\/\/materialparts.com\/3224w-1-102e\/"},"modified":"2026-06-23T06:05:31","modified_gmt":"2026-06-23T06:05:31","slug":"3224w-1-102e","status":"publish","type":"post","link":"https:\/\/materialparts.com\/es\/3224w-1-102e\/","title":{"rendered":"3224W-1-102E"},"content":{"rendered":"

Productos<\/h2>\n

The 3224W-1-102E from Bourns is a 1kOhm, 0.25W, 12-turn cermet trimmer potentiometer in a J-lead SMD package. Part of the Trimpot 3224 sealed series, it provides precise resistance adjustment with +\/-10% tolerance for calibration and tuning applications.<\/p>\n

Especificaciones<\/h2>\n\n\n\n\n\n\n\n
Resistance<\/td>\n1 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
  • 1kOhm resistance with +\/-10% tolerance for precision adjustment<\/li>\n
  • 12-turn multiturn for fine resolution adjustment<\/li>\n
  • Cermet resistive element for stability and reliability<\/li>\n
  • Sealed construction for flux and wash resistance<\/li>\n
  • J-lead surface-mount package for automated assembly<\/li>\n
  • Top-adjustment configuration for accessible tuning<\/li>\n<\/ul>\n

    Aplicaciones<\/h2>\n
      \n
    • Voltage reference trimming and calibration<\/li>\n
    • Op-amp offset null adjustment<\/li>\n
    • Power supply output voltage fine-tuning<\/li>\n
    • Sensor signal conditioning gain calibration<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The 3224W-1-102E from Bourns is a 1kOhm, 0.25W, 12-turn cermet trimmer potentiometer in a J-lead SMD package. Part of the Trimpot 3224 sealed series, it provides precise resistance adjustment with +\/-10% tolerance for calibration and tuning applications. Key Specifications Resistance 1 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-7178","post","type-post","status-publish","format-standard","hentry","category-board-to-board-connectors","category-integrated-circuits-ics","chip_brand-bourns"],"acf":{"brief_explanation":"1kOhm 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":3702,"datasheet":"https:\/\/www.bourns.com\/docs\/default-datasheet\/3224.pdf","price":"$0.55 @ 1ku","product_introduction":"The 3224W-1-102E from Bourns is a 1kOhm, 0.25W, 12-turn cermet trimmer potentiometer in a J-lead surface-mount package. Part of the Trimpot 3224 sealed series, it provides precise resistance adjustment with +\/-10% tolerance and 12-turn resolution for fine calibration. The cermet (ceramic-metal) resistive element offers excellent stability over temperature and time, with low contact resistance variation and minimal noise. The sealed construction prevents contamination during soldering and washing processes, ensuring long-term reliability in harsh environments. The J-lead package configuration enables standard surface-mount assembly with compatibility for pick-and-place equipment. The top-adjustment design allows convenient tuning access after PCB assembly. The device is rated for -55C to +125C operation, supporting industrial and automotive temperature requirements.","working_principle":"The 3224W-1-102E uses a cermet resistive element with a sliding contact for resistance adjustment. (1) Cermet Element: A ceramic-metal composite thick film is deposited on a ceramic substrate. The resistive track provides 1kOhm total resistance with +\/-10% tolerance. The cermet material offers superior stability compared to carbon composition, with typical resistance change of less than 2% after 1000 hours at rated power. (2) Multiturn Mechanism: A worm-gear mechanism converts 12 full rotations of the adjustment screw into a linear sweep of the wiper across the resistive track. Each turn adjusts the resistance by approximately 1\/12 of the total range, providing fine resolution for precise calibration. (3) Wiper: A precious metal alloy contact slides along the cermet track, with contact resistance typically less than 1% of total resistance. The wiper position determines the resistance between the wiper terminal and each end terminal. (4) Sealed Construction: An O-ring seal around the adjustment shaft prevents flux, moisture, and cleaning solvents from entering the resistive element chamber.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>CCW<\/td>Terminal<\/td>Counter-clockwise end (low resistance end)<\/td><\/tr>
      2<\/td>Wiper<\/td>Terminal<\/td>Adjustable wiper output<\/td><\/tr>
      3<\/td>CW<\/td>Terminal<\/td>Clockwise end (high resistance end)<\/td><\/tr><\/table>","application_scenarios":"
      • Voltage reference trimming and calibration with 12-turn fine resolution<\/li>
      • Op-amp offset null adjustment in precision analog circuits<\/li>
      • Power supply output voltage fine-tuning with sealed cermet stability<\/li>
      • Sensor signal conditioning gain calibration in J-lead SMD footprint<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Bourns<\/td>3224W-1-202E<\/td>J-lead SMD<\/td>2kOhm version<\/td><\/tr>
        Bourns<\/td>3314G-1-102E<\/td>SMD<\/td>Single-turn, smaller package<\/td><\/tr>
        Vishay<\/td>T93YA-1-10K<\/td>SMD<\/td>Vishay 10kOhm trimmer<\/td><\/tr>
        Murata<\/td>PVZ3A102C01R00<\/td>SMD<\/td>1kOhm, 3mm square<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7178","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=7178"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/posts\/7178\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/media?parent=7178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/categories?post=7178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/tags?post=7178"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/es\/wp-json\/wp\/v2\/chip_brand?post=7178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}