{"id":9332,"date":"2026-07-03T05:50:57","date_gmt":"2026-07-03T05:50:57","guid":{"rendered":"https:\/\/materialparts.com\/sg73p1jttd4r70f\/"},"modified":"2026-07-03T08:06:03","modified_gmt":"2026-07-03T08:06:03","slug":"sg73p1jttd4r70f","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/sg73p1jttd4r70f\/","title":{"rendered":"SG73P1JTTD4R70F"},"content":{"rendered":"

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

The SG73P1JTTD4R70F is an automotive-grade anti-surge thick film chip resistor from KOA Speer’s SG73P series, featuring 4.7Ohm resistance with +\/-1% tolerance in a 0603 (1608 Metric) surface-mount package. Designed for surge and ESD protection with higher surge withstand capability than standard resistors, AEC-Q200 qualified.<\/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>\n4.7 Ohm<\/td>\n<\/tr>\n
Tolerance<\/td>\n+\/-1% (F)<\/td>\n<\/tr>\n
Power Rating<\/td>\n0.1W (1\/10W)<\/td>\n<\/tr>\n
Surge Withstand<\/td>\nEnhanced surge rating<\/td>\n<\/tr>\n
Package \/ Case<\/td>\n0603 (1608 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
  • Anti-surge design for ESD\/surge protection<\/li>\n
  • AEC-Q200 automotive qualified<\/li>\n
  • 4.7Ohm low resistance with +\/-1% precision<\/li>\n
  • 0603 compact footprint<\/li>\n
  • Higher surge rating than standard thick film<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Automotive ESD protection on power lines<\/li>\n
    • USB port surge protection<\/li>\n
    • Industrial I\/O protection<\/li>\n
    • Communication line current limiting<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SG73P1JTTD4R70F is an automotive-grade anti-surge thick film chip resistor from KOA Speer’s SG73P series, featuring 4.7Ohm resistance with +\/-1% tolerance in a 0603 (1608 Metric) surface-mount package. Designed for surge and ESD protection with higher surge withstand capability than standard resistors, AEC-Q200 qualified. Key Specifications Resistance 4.7 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":[763],"chip_brand":[400],"class_list":["post-9332","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-resistors","tag-sg73p1jttd4r70f","chip_brand-koa-speer"],"acf":{"brief_explanation":"4.7Ohm +\/-1% 0.1W anti-surge thick film resistor, 0603, AEC-Q200","date_code":"","package_case":"0603 (1608 Metric) 1.6 x 0.8 x 0.55 mm","in_stock":14348,"datasheet":"https:\/\/www.koaglobal.com\/-\/media\/Files\/KOA_Global\/product\/commonpdf\/sg73p.pdf","price":"$0.01 @ 10ku","product_introduction":"The SG73P1JTTD4R70F is an automotive-grade anti-surge thick film chip resistor from KOA Speer's SG73P series, featuring 4.7Ohm resistance with +\/-1% tolerance in a 0603 (1608 Metric) surface-mount package. Designed for surge and ESD protection with higher surge withstand capability than standard resistors, it is AEC-Q200 qualified. The low 4.7Ohm value with 1% precision is ideal for series protection on power lines and communication interfaces where both low resistance and surge protection are needed.","working_principle":"The SG73P1JTTD4R70F operates as a passive anti-surge thick film resistor:\n\n1. Anti-Surge Construction: Modified thick film composition distributes surge energy evenly across the resistive element, preventing localized failure during surge events.\n\n2. Low Resistance Surge Protection: 4.7Ohm provides minimal voltage drop during normal operation but still limits surge current. Combined with a TVS diode, it creates a robust protection network.\n\n3. Precision Tolerance: +\/-1% on 4.7Ohm means +\/-0.047Ohm, ensuring consistent surge limiting characteristics.\n\n4. AEC-Q200: Automotive qualified with additional surge testing.\n\n5. Power Line Protection: The 4.7Ohm value is commonly used on USB VBUS lines and automotive power input lines as a series element to limit inrush and surge currents.","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
      USB VBUS<\/td>Surge protection series element<\/td>4.7Ohm, anti-surge, AEC-Q200<\/td><\/tr>\n
      Automotive Power Input<\/td>Inrush\/surge current limiter<\/td>4.7Ohm, 1%, surge rated<\/td><\/tr>\n
      Industrial I\/O<\/td>Port protection resistor<\/td>0603, 4.7Ohm, anti-surge<\/td><\/tr>\n
      Communication<\/td>ESD current limiting<\/td>4.7Ohm, 1%, reliable<\/td><\/tr>\n
      Automotive ECU<\/td>Input protection network<\/td>0603, surge-rated, AEC-Q200<\/td><\/tr>\n<\/table>","alternative_models":"\n
      Manufacturer<\/th>Part Number<\/th>Package<\/th>Key Specs<\/th>Notes<\/th><\/tr>\n
      ROHM<\/td>ESR03MZPF4R7<\/td>0603<\/td>4.7Ohm, 1%, anti-surge, AEC-Q200<\/td>Direct equivalent<\/td><\/tr>\n
      Vishay<\/td>CRCW06034R70FKEA<\/td>0603<\/td>4.7Ohm, 1%, 0.1W, AEC-Q200<\/td>Standard (not anti-surge)<\/td><\/tr>\n
      Panasonic<\/td>ERJ-3EKF4R70V<\/td>0603<\/td>4.7Ohm, 1%, 0.1W, AEC-Q200<\/td>Standard (not anti-surge)<\/td><\/tr>\n
      Yageo<\/td>RC0603FR-074R7L<\/td>0603<\/td>4.7Ohm, 1%, 0.1W<\/td>Standard (not anti-surge)<\/td><\/tr>\n
      TE Connectivity<\/td>RCS06034R70FKED<\/td>0603<\/td>4.7Ohm, 1%, 0.1W, anti-surge<\/td>Anti-surge equivalent<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9332","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=9332"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9332\/revisions"}],"predecessor-version":[{"id":9364,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9332\/revisions\/9364"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=9332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=9332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=9332"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=9332"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}