{"product_id":"pmeg4030ep-40v-3a-schottky-sod-128","title":"PMEG4030EP AE 40V 3A Schottky Rectifier SOD-128 – Power Supply Repair","description":"\u003ch2\u003ePMEG4030EP (AE) 40V 3A Low-VF Schottky Rectifier in SOD-128 Package\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePMEG4030EP\u003c\/strong\u003e (marking \u003cstrong\u003eAE\u003c\/strong\u003e) is a \u003cstrong\u003e40V\u003c\/strong\u003e, \u003cstrong\u003e3A\u003c\/strong\u003e low-forward-voltage Schottky barrier rectifier with an integrated \u003cstrong\u003eguard ring\u003c\/strong\u003e for stress protection. It comes in a small, flat-lead \u003cstrong\u003eSOD-128\u003c\/strong\u003e SMD plastic package, suitable for both reflow and wave soldering.\u003c\/p\u003e\n\u003cp\u003eIts low forward voltage and high power capability make it a good fit for low-voltage rectification, high-efficiency DC-DC conversion, switched-mode power supplies (SMPS) and reverse-polarity protection. Use it to replace a failed Schottky diode with the same 40V \/ 3A rating and SOD-128 footprint when repairing power circuits.\u003c\/p\u003e\n \n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAverage forward current IF(AV)\u003c\/strong\u003e up to 3A.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse voltage VR\u003c\/strong\u003e up to 40V.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow forward voltage\u003c\/strong\u003e for lower conduction losses and higher efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated guard ring\u003c\/strong\u003e for stress protection, and high power capability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat-lead SOD-128 package\u003c\/strong\u003e, compatible with reflow and wave soldering.\u003c\/li\u003e\n\u003c\/ul\u003e\n \n\u003ch3\u003eSigns of a Failed Schottky Rectifier\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDiode reading short (near 0V) in both directions in diode-test mode.\u003c\/li\u003e\n\u003cli\u003eDiode reading open in both directions, with no output on the rail it feeds.\u003c\/li\u003e\n\u003cli\u003eVisible burn mark, crack or discolouration on the package.\u003c\/li\u003e\n\u003cli\u003eOverheating around the diode, or a blown fuse upstream on the same rail.\u003c\/li\u003e\n\u003c\/ul\u003e\n \n\u003ch4\u003ePMEG4030EP Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003ePMEG4030EP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eMarking Code\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eAE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eLow-VF Schottky barrier rectifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eReverse Voltage (VR)\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003e≤ 40V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eAverage Forward Current IF(AV)\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003e≤ 3A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eForward Voltage\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eLow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eProtection\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eIntegrated guard ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003ePackage\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eSOD-128, flat-lead SMD plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eSoldering\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eReflow and wave soldering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eApplications\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eLow-voltage rectification, DC-DC conversion, SMPS, reverse-polarity protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eCondition\u003c\/td\u003e\n\u003ctd style=\"text-align:left;padding:6px 12px;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n \n \n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the AE marking mean?\u003c\/strong\u003e\u003cbr\u003eAE is the marking code printed on the PMEG4030EP package. Check it against the diode on your board to confirm the replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace it with a different 40V Schottky diode?\u003c\/strong\u003e\u003cbr\u003eOnly if the replacement matches the 40V reverse voltage, the 3A average current and the SOD-128 footprint. A lower current rating or a different package will not fit the same position reliably.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is it soldered?\u003c\/strong\u003e\u003cbr\u003eThe flat-lead SOD-128 package supports both reflow and wave soldering, and can be reworked with a hot-air station.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you sell it in volume?\u003c\/strong\u003e\u003cbr\u003eYes. Email us with the quantity you need and we will send a quote.\u003c\/p\u003e\n \n\u003ch3\u003eRelated Schottky Diodes \u0026amp; Rectifiers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mbr540mfs-mbr540mfst3g-qfn-schottky-rectifier-5a-40v-for-antminer-s9-l3-d3-hashboard\"\u003eMBR540MFS 40V 5A Schottky Rectifier – Antminer S9 \/ L3+ \/ D3 Hashboard\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/ss2040ll-r4-40v-smd-schottky-barrier-rectifier-sod123-whatsminer-hashboard-repair\"\u003eSS2040LL R4 40V 2A Schottky Rectifier SOD-123 – Whatsminer Hashboard\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hbr3200-ss320-schottky-barrier-diode-sbd-low-power\"\u003eHBR3200 \/ SS320 Schottky Barrier Diode\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mbr230lsft1g-schottky-power-rectifier-crypto-miner\"\u003eMBR230LSFT1G L3NE 30V 2A Schottky Rectifier – Antminer L7 Hashboard\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n \n\u003cp\u003eNeed PMEG4030EP diodes for a repair bench? Email \u003ca href=\"mailto:contact@lys-sz.com\"\u003econtact@lys-sz.com\u003c\/a\u003e for volume pricing.\u003c\/p\u003e\n\u003cp\u003eWorldwide shipping from our Shenzhen warehouses.\u003c\/p\u003e","brand":"LYS Shenzhen","offers":[{"title":"Default Title","offer_id":46453795651763,"sku":null,"price":0.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6710\/4179\/files\/pmeg4030ep-ae-40v-3a-schottky-rectifier-sod-128-top.webp?v=1794451993","url":"https:\/\/lys-sz.com\/products\/pmeg4030ep-40v-3a-schottky-sod-128","provider":"LYS Shenzhen","version":"1.0","type":"link"}