{"id":1570,"date":"2026-04-30T05:26:12","date_gmt":"2026-04-30T05:26:12","guid":{"rendered":"https:\/\/materialparts.com\/au1pmhm3-84a\/"},"modified":"2026-05-12T03:00:15","modified_gmt":"2026-05-12T03:00:15","slug":"au1pmhm3-84a","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/au1pmhm3-84a\/","title":{"rendered":"AU1PMHMHM3\/84A"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>\u0631\u0642\u0645 \u0627\u0644\u0642\u0637\u0639\u0629:<\/strong> AU1PMHMHM3\/84A<br>\n<strong>Category:<\/strong> Fixed Precision Resistor \/ Metal Alloy Current Sense Resistor<br>\n<strong>\u0627\u0644\u062d\u0632\u0645\u0629:<\/strong> Surface Mount Chip Resistor<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Part Number Interpretation<\/strong><br>\nAU1PMHM3: Series code for high-precision, low-resistance sampling resistor<br>\n84A: Resistance and tolerance code; low ohmic value for current detection<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key Characteristics<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ultra-low resistance value, dedicated to current sensing and sampling<\/li>\n\n\n\n<li>High precision, low temperature drift<\/li>\n\n\n\n<li>Low inductance, stable performance at high frequency<\/li>\n\n\n\n<li>High power dissipation capability<\/li>\n\n\n\n<li>Excellent overload and pulse current resistance<\/li>\n\n\n\n<li>Compact SMD package, suitable for dense PCB layouts<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Electrical and Performance Features<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Strict resistance tolerance<\/li>\n\n\n\n<li>Low Temperature Coefficient of Resistance (TCR)<\/li>\n\n\n\n<li>Stable long-term reliability<\/li>\n\n\n\n<li>Good heat dissipation performance<\/li>\n\n\n\n<li>RoHS compliant, lead-free environmentally friendly package<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Power supply current detection and overcurrent protection<\/li>\n\n\n\n<li>Battery management system (BMS)<\/li>\n\n\n\n<li>Motor drive and industrial inverter<\/li>\n\n\n\n<li>DC-DC converter, power module<\/li>\n\n\n\n<li>Automotive electronics and industrial control equipment<\/li>\n\n\n\n<li>Precision current sampling circuit<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Part Number: AU1PMHM3\/84A Category: Fixed Precision Resistor \/ Metal Alloy Current Sense Resistor Package: Surface Mount Chip Resistor Part Number Interpretation AU1PMHM3: Series code for high-precision, low-resistance sampling resistor 84A: Resistance and tolerance code; low ohmic value for current detection Key Characteristics Electrical and Performance Features Typical Applications<\/p>","protected":false},"author":1,"featured_media":1656,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[54],"tags":[122],"chip_brand":[136],"class_list":["post-1570","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-diodes","tag-au1pmhm3-84a","chip_brand-vishay"],"acf":{"brief_explanation":"Avalanche ultra-fast recovery rectifier diode in DO-220AA (SMP) package, designed for automotive and high-temperature applications.","date_code":"","package_case":"DO-220AA","in_stock":6569,"datasheet":"https:\/\/www.vishay.com\/docs\/88701\/au1pmhm.pdf","price":"$0.27 (1000+ pcs)","product_introduction":"The AU1PMHM3\/84A is an avalanche ultra-fast recovery rectifier diode from Vishay in DO-220AA (SMP) surface-mount package, featuring 1000V reverse voltage, 1A average forward current, 75ns reverse recovery time, and 25A surge current. AEC-Q101 qualified, halogen-free, with junction temperature range of -55\u00b0C to 175\u00b0C.","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>Anode<\/td><td>Positive terminal; current flows in during forward bias<\/td><\/tr>\n<tr><td>2<\/td><td>Cathode<\/td><td>Negative terminal; marked with a band on the package<\/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>Automotive Rectification<\/td><td>Secondary rectification in automotive AC\/DC and DC\/DC converters with AEC-Q101 qualification<\/td><\/tr>\n<tr><td>Free-Wheeling Diode<\/td><td>Ultra-fast recovery for high-frequency switching in converter topologies<\/td><\/tr>\n<tr><td>Power Supply<\/td><td>Output rectification in SMPS and forward converters requiring fast recovery<\/td><\/tr>\n<tr><td>Reverse Polarity Protection<\/td><td>Avalanche-rated diode for robust reverse voltage protection<\/td><\/tr>\n<tr><td>Industrial Controls<\/td><td>High-temperature operation (up to 175\u00b0C) suitable for industrial environments<\/td><\/tr>\n<tr><td>Consumer Electronics<\/td><td>Compact SMP package for space-constrained designs<\/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>AU1PM-M3\/84A<\/td><td>Vishay<\/td><td>DO-220AA<\/td><td>Same specifications, different part numbering format<\/td><\/tr>\n<tr><td>US1M-13-F<\/td><td>Diodes Inc.<\/td><td>SMA<\/td><td>1000V\/1A, larger SMA package, 75ns trr<\/td><\/tr>\n<tr><td>RS1M-13-F<\/td><td>Diodes Inc.<\/td><td>SMA<\/td><td>1000V\/1A, standard recovery, lower cost<\/td><\/tr>\n<tr><td>MURS120T3G<\/td><td>onsemi<\/td><td>SMA<\/td><td>200V\/1A ultra-fast, 25ns trr, lower voltage<\/td><\/tr>\n<tr><td>UF4007-E3\/54<\/td><td>Vishay<\/td><td>DO-214AC (SMA)<\/td><td>1000V\/1A, 75ns trr, SMA package alternative<\/td><\/tr>\n<\/tbody>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/1570","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=1570"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/1570\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media\/1656"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=1570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=1570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=1570"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=1570"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}