{"id":1569,"date":"2026-04-30T05:26:12","date_gmt":"2026-04-30T05:26:12","guid":{"rendered":"https:\/\/materialparts.com\/esda5v3l\/"},"modified":"2026-05-12T03:00:16","modified_gmt":"2026-05-12T03:00:16","slug":"esda5v3l","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/esda5v3l\/","title":{"rendered":"ESDA5V3L"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Part Number: ESDA5V3L<br>Manufacturer: STMicroelectronics (ST)<br>Device Type: Dual Unidirectional TVS (Transil? Array) for ESD Protection<br>Package: SOT-23-3 (Surface Mount)<br>Marking Code: EL53<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u90e8\u4ef6\u7f16\u53f7\u89e3\u7801<\/strong><br>\nESDA: ST ESD protection diode series<br>\n5V3: 5.3V minimum breakdown voltage<br>\nL: SOT-23 package, low-profile<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e3b\u8981\u89c4\u683c<\/strong><br>\nReverse Standoff Voltage (Vrwm): 3V<br>\nBreakdown Voltage (Vbr): 5.3V (min) ~ 5.9V (max) @ 1mA<br>\nClamping Voltage (Vc): 8V @ 1A; 14V @ 25A (8\/20 \u03bcs)<br>\nPeak Pulse Power (Ppp): 300W (8\/20 \u03bcs)<br>\nPeak Pulse Current (Ipp): 15A (2.5 \u03bcs)<br>\nReverse Leakage Current (Ir): 2 \u03bcA max @ 3V<br>\nJunction Capacitance (Cj): 220pF typ @ 0V, 1MHz<br>\nESD Protection Level: \u00b116kV (air), \u00b19kV (contact), per IEC 61000-4-2<br>\nOperating Temperature: -40\u00b0C to +125\u00b0C (TJ)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e3b\u8981\u529f\u80fd<\/strong><br>\nDual-channel unidirectional TVS array, protects two I\/O lines simultaneously<br>\nLow capacitance (220pF), minimizes signal distortion for high-speed interfaces<br>\nHigh ESD immunity, meets industrial ESD protection standards<br>\nLow leakage current, reduces power consumption in standby mode<br>\nSOT-23 compact package, ideal for space-constrained PCB designs<br>\nRoHS-compliant, lead-free and environmentally friendly<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5178\u578b\u5e94\u7528<\/strong><br>\nHigh-speed data line ESD protection: USB, HDMI, Ethernet, RS-232<br>\nConsumer electronics: smartphones, tablets, laptops, printers<br>\nIndustrial control and communication equipment<br>\nAutomotive electronics (non-safety circuits)<br>\nPCB ambient ESD protection for sensitive ICs<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Packaging Details<\/strong><br>\nPackage: SOT-23-3<br>\nPackaging Type: Tape &amp; Reel (3,000 pcs\/reel), Cut Tape<br>\nApplication: Surface-mount technology (SMT) mass production<\/p>","protected":false},"excerpt":{"rendered":"<p>Part Number: ESDA5V3LManufacturer: STMicroelectronics (ST)Device Type: Dual Unidirectional TVS (Transil? Array) for ESD ProtectionPackage: SOT-23-3 (Surface Mount)Marking Code: EL53 Part Number Decoding ESDA: ST ESD protection diode series 5V3: 5.3V minimum breakdown voltage L: SOT-23 package, low-profile Key Specifications Reverse Standoff Voltage (Vrwm): 3V Breakdown Voltage (Vbr): 5.3V (min) ~ 5.9V (max) @ 1mA Clamping [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1760,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[54],"tags":[120],"chip_brand":[142],"class_list":["post-1569","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diodes","tag-esda5v3l","chip_brand-st"],"acf":{"brief_explanation":"Dual unidirectional Transil ESD protection array in SOT-23-3L package, designed for data and transmission line protection.","date_code":"","package_case":"SOT-23","in_stock":2973,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/esda5v3l.pdf","price":"$0.11 (100+ pcs)","product_introduction":"The ESDA5V3L is a dual unidirectional Transil ESD protection array from STMicroelectronics in SOT-23-3L package, featuring 5.3V breakdown voltage, 300W peak pulse power, low leakage current (<20uA), and 25kV ESD protection level. It clamps voltage just above the logic level supply for positive transients and to a diode drop below ground for negative transients.","working_principle":"Working Principle(Within 200 Words)","pin_description":"<table>\n<thead>\n<tr><th>Pin Number<\/th><th>Pin Name<\/th><th>Description<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>1<\/td><td>Line 1 \/ Common<\/td><td>Protected line 1; can also serve as common when used as bidirectional suppressor<\/td><\/tr>\n<tr><td>2<\/td><td>Line 2 \/ Ground<\/td><td>Protected line 2; ground reference when used in unidirectional mode<\/td><\/tr>\n<tr><td>3<\/td><td>VCC<\/td><td>Positive supply rail connection for clamping reference<\/td><\/tr>\n<\/tbody>\n<\/table>","application_scenarios":"<table>\n<thead>\n<tr><th>Application<\/th><th>Description<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>RS-232 Port Protection<\/td><td>ESD protection for RS-232 I\/O ports requiring up to 25kV immunity<\/td><\/tr>\n<tr><td>Communication Lines<\/td><td>Transient voltage protection for data and transmission lines<\/td><\/tr>\n<tr><td>Computer Peripherals<\/td><td>ESD protection for keyboard, mouse and other interface ports<\/td><\/tr>\n<tr><td>Printer Interfaces<\/td><td>Surge protection for parallel and serial printer ports<\/td><\/tr>\n<tr><td>Consumer Electronics<\/td><td>General-purpose ESD protection in high-density board designs<\/td><\/tr>\n<tr><td>Industrial Equipment<\/td><td>Protection against electrostatic discharge in sensitive equipment<\/td><\/tr>\n<\/tbody>\n<\/table>","alternative_models":"<table>\n<thead>\n<tr><th>Model<\/th><th>Manufacturer<\/th><th>Package<\/th><th>Key Difference<\/th><\/tr>\n<\/thead>\n<tbody>\n<tr><td>ESDA5V3LY<\/td><td>STMicroelectronics<\/td><td>SOT-23-3L<\/td><td>Automotive AEC-Q101 qualified version<\/td><\/tr>\n<tr><td>PESD5V0S1BA,215<\/td><td>Nexperia<\/td><td>SOT-23<\/td><td>Single ESD protection diode, 5V standoff<\/td><\/tr>\n<tr><td>TISP5145M3<\/td><td>Bourns<\/td><td>SOT-23-3<\/td><td>Similar dual ESD protection, different clamping voltage<\/td><\/tr>\n<tr><td>PRTR5V0U2X,215<\/td><td>Nexperia<\/td><td>SOT-143B<\/td><td>Dual bidirectional ESD protection with rail-to-rail clamping<\/td><\/tr>\n<tr><td>TPD2E001DRLR<\/td><td>Texas Instruments<\/td><td>SOT-5<\/td><td>2-channel ESD protection, 5.5V working voltage<\/td><\/tr>\n<\/tbody>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/1569","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=1569"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/1569\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media\/1760"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=1569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=1569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=1569"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=1569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}