{"id":7057,"date":"2026-06-23T02:56:13","date_gmt":"2026-06-23T02:56:13","guid":{"rendered":"https:\/\/materialparts.com\/sp3003-04atg\/"},"modified":"2026-06-23T02:56:13","modified_gmt":"2026-06-23T02:56:13","slug":"sp3003-04atg","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/sp3003-04atg\/","title":{"rendered":"SP3003-04ATG"},"content":{"rendered":"

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

The SP3003-04ATG from Littelfuse is a 4-channel ultra-low capacitance (0.65 pF) TVS diode array in an MSOP-10 package, providing \u00b18 kV IEC 61000-4-2 contact discharge and \u00b115 kV air discharge ESD protection for high-speed signal lines. AEC-Q101 qualified, it is designed to protect HDMI, DVI, USB 2.0, and IEEE 1394 interfaces in consumer, automotive, and industrial electronics.<\/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\n\n\n
\u0639\u062f\u062f \u0627\u0644\u0642\u0646\u0648\u0627\u062a<\/td>\n4<\/td>\n<\/tr>\n
Reverse Standoff Voltage (VRWM)<\/td>\n6 V<\/td>\n<\/tr>\n
ESD Withstand (Contact)<\/td>\n\u00b18 kV (IEC 61000-4-2)<\/td>\n<\/tr>\n
ESD Withstand (Air)<\/td>\n\u00b115 kV (IEC 61000-4-2)<\/td>\n<\/tr>\n
Clamping Voltage (IPP=2A)<\/td>\n11.8 V (typ), 15.0 V (max)<\/td>\n<\/tr>\n
Capacitance per I\/O (VR=1.65V)<\/td>\n0.65 pF (typ)<\/td>\n<\/tr>\n
Leakage Current (VR=5V)<\/td>\n0.5 \u03bcA (max)<\/td>\n<\/tr>\n
Lightning (8\/20\u03bcs)<\/td>\n2.5 A<\/td>\n<\/tr>\n
\u0627\u0644\u0642\u0637\u0628\u064a\u0629<\/td>\nBidirectional<\/td>\n<\/tr>\n
\u0627\u0644\u0645\u0624\u0647\u0644\u0627\u062a<\/td>\nAEC-Q101<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • Ultra-low capacitance of 0.65 pF per I\/O preserves signal integrity on high-speed lines<\/li>\n
  • IEC 61000-4-2 Level 4 ESD protection: \u00b18 kV contact, \u00b115 kV air discharge<\/li>\n
  • IEC 61000-4-4 EFT protection: 40 A (5\/50 ns) and lightning 2.5 A (8\/20 \u03bcs)<\/li>\n
  • Low leakage current of 0.5 \u03bcA max at 5 V minimizes power consumption<\/li>\n
  • AEC-Q101 qualified for automotive applications<\/li>\n
  • Bidirectional protection for AC-coupled signal lines<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • HDMI and DVI interface ESD protection<\/li>\n
    • USB 2.0 port protection in consumer electronics<\/li>\n
    • IEEE 1394 (Firewire) signal line protection<\/li>\n
    • Mobile phone and notebook I\/O protection<\/li>\n
    • Automotive infotainment and display interfaces<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The SP3003-04ATG from Littelfuse is a 4-channel ultra-low capacitance (0.65 pF) TVS diode array in an MSOP-10 package, providing \u00b18 kV IEC 61000-4-2 contact discharge and \u00b115 kV air discharge ESD protection for high-speed signal lines. AEC-Q101 qualified, it is designed to protect HDMI, DVI, USB 2.0, and IEEE 1394 interfaces in consumer, […]<\/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":[13,20],"tags":[],"chip_brand":[136],"class_list":["post-7057","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-vishay"],"acf":{"brief_explanation":"4-ch ESD protection, 0.65pF, \u00b18kV contact, \u00b115kV air, 6V VRWM, MSOP-10, AEC-Q101, bidirectional","date_code":"","package_case":"MSOP-10 (3.0 x 3.0 mm)","in_stock":6789,"datasheet":"https:\/\/www.littelfuse.com\/~\/media\/electronics\/datasheets\/tvs_diode_arrays\/littelfuse_tvs_diode_array_sp3003_datasheet.pdf.pdf","price":"$0.50 @ 4ku","product_introduction":"The SP3003-04ATG from Littelfuse is a 4-channel Silicon Protection Array (SPA) utilizing proprietary silicon avalanche technology to provide ultra-low capacitance rail-to-rail ESD protection for high-speed signal lines. With only 0.65 pF typical capacitance per I\/O channel, the device preserves signal integrity on interfaces operating at multi-gigabit data rates including HDMI, DVI, USB 2.0, and IEEE 1394. The device safely absorbs repetitive ESD strikes at the maximum IEC 61000-4-2 Level 4 (\u00b18 kV contact, \u00b115 kV air) without performance degradation. It also provides EFT protection to 40 A (IEC 61000-4-4) and lightning protection to 2.5 A (IEC 61000-4-5, 8\/20 \u03bcs). AEC-Q101 qualified, the SP3003-04ATG is suitable for automotive and industrial applications.","working_principle":"The SP3003-04ATG uses Littelfuse's proprietary silicon avalanche (SPA) technology to protect each I\/O channel. (1) ESD Clamping: When an ESD event exceeds the breakdown voltage (6.5 V min), the avalanche diodes rapidly conduct, clamping the voltage at the I\/O pin to a safe level (11.8 V typical at 2 A). The rail-to-rail topology steers both positive and negative ESD transients to the VCC and GND rails respectively. (2) Low Capacitance: The ultra-low 0.65 pF per-channel capacitance is achieved through specialized diode structures and layout optimization, ensuring minimal signal degradation on high-speed differential pairs. (3) Bidirectional Protection: Symmetric avalanche characteristics provide equal protection against positive and negative transients, making the device suitable for AC-coupled and bidirectional signal lines. (4) Steer Diodes: Additional steering diodes between I\/O pins and the supply rails ensure that ESD energy is diverted to the power supply bypass capacitors rather than the protected IC.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>I\/O 1<\/td>I\/O<\/td>Protected signal channel 1<\/td><\/tr>
      2<\/td>GND<\/td>Ground<\/td>Device ground<\/td><\/tr>
      3<\/td>I\/O 2<\/td>I\/O<\/td>Protected signal channel 2<\/td><\/tr>
      4<\/td>VCC\/NC<\/td>Power<\/td>Positive supply rail (optional connection)<\/td><\/tr>
      5<\/td>I\/O 3<\/td>I\/O<\/td>Protected signal channel 3<\/td><\/tr>
      6<\/td>GND<\/td>Ground<\/td>Device ground<\/td><\/tr>
      7<\/td>I\/O 4<\/td>I\/O<\/td>Protected signal channel 4<\/td><\/tr>
      8-10<\/td>NC<\/td>-<\/td>No internal connection<\/td><\/tr><\/table>","application_scenarios":"
      • HDMI and DVI port ESD protection in TVs, monitors, and set-top boxes<\/li>
      • USB 2.0 interface protection in notebooks, desktops, and mobile devices<\/li>
      • IEEE 1394 (Firewire) signal line protection in professional audio\/video equipment<\/li>
      • Automotive infotainment display interfaces with AEC-Q101 qualification<\/li>
      • Industrial communication port protection against ESD and EFT events<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Littelfuse<\/td>SP3003-04JTG<\/td>SC70-6<\/td>4-ch, smaller package<\/td><\/tr>
        TESA<\/td>PESD5V0S2BA115<\/td>SOT-23<\/td>2-ch, 5V, lower cost<\/td><\/tr>
        onsemi<\/td>NUP4202MN1T2G<\/td>UDFN-10<\/td>4-ch, 0.8pF, ESD protection<\/td><\/tr>
        STMicroelectronics<\/td>USBLC6-4SC6<\/td>SOT-23-6L<\/td>4-ch, 3pF, USB protection<\/td><\/tr>
        Bourns<\/td>CDSOT23-SM712<\/td>SOT-23<\/td>2-ch, RS-485 ESD protection<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/7057","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=7057"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/7057\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=7057"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=7057"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=7057"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=7057"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}