{"product_id":"nvmfs5c404n-5c404n-mosfet-bitmain-apw7-psu","title":"NVMFS5C404N 5C404N Power MOSFET 40V 378A N-Channel Bitmain APW7 PSU","description":"\u003ch2\u003eNVMFS5C404N N-Channel MOSFET 40V 378A – Bitmain APW7 PSU Repair\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNVMFS5C404N\u003c\/strong\u003e (marking \u003cstrong\u003e5C404N\u003c\/strong\u003e) is an \u003cstrong\u003eN-channel power MOSFET\u003c\/strong\u003e rated at \u003cstrong\u003e40V \/ 378A\u003c\/strong\u003e (900A pulse) in a compact \u003cstrong\u003e5×6mm DFN\u003c\/strong\u003e package. It delivers \u003cstrong\u003e200W\u003c\/strong\u003e power dissipation, \u003cstrong\u003e907mJ\u003c\/strong\u003e single-pulse avalanche energy and ultra-low Rds(on) for minimal conduction losses. \u003cstrong\u003eAEC-Q101 automotive qualified\u003c\/strong\u003e, lead-free, RoHS compliant. Used on the secondary side of the \u003cstrong\u003eBitmain APW7\u003c\/strong\u003e power supply for high-current synchronous rectification.\u003c\/p\u003e\n\u003ch3\u003eWhy This MOSFET Suits the APW7\u003c\/h3\u003e\n\u003cp\u003eThe APW7 uses synchronous rectification on its secondary side to convert the transformer output into the low-voltage, high-current DC rail that feeds the miner. The NVMFS5C404N's 378A continuous rating and ultra-low Rds(on) minimise rectification losses at the heavy currents involved. The 907mJ avalanche rating protects against the voltage spikes that occur during commutation — critical for reliability in a PSU running 24\/7.\u003c\/p\u003e\n\u003ch3\u003eReplacement Procedure\u003c\/h3\u003e\n\u003cp\u003eDisconnect mains and discharge all capacitors. Locate the NVMFS5C404N on the secondary rectification board — a 5×6mm DFN package near the output inductor. Desolder with hot air at 320–350°C, clean all pads, place the new device with pin 1 aligned and reflow. Test through a variac under progressive load and verify clean output voltage with no oscillation.\u003c\/p\u003e\n\u003ch4\u003eNVMFS5C404N MOSFET 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;\"\u003eNVMFS5C404N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eVds\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e40V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eId (DC \/ Pulse)\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e378A \/ 900A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003ePd\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e200W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eAvalanche Energy\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e907mJ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eVgs\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e±20V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eTemperature\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003e-55°C to 175°C\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;\"\u003eDFN 5×6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eQualification\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eAEC-Q101, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"text-align: left; padding: 6px 12px;\"\u003eBitmain APW7 PSU\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\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eRelated Bitmain APW7 PSU Components\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/afc0612d-6025-delta-cooling-fan-power-supply-unit-psu-bitmain-apw3-apw7\"\u003eAFC0612D Delta Fan – APW3 \/ APW7 PSU\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/apw7-bitmain-power-supply-psu-1800w-110v-220v-antminer-l3-s9\"\u003eAPW7 PSU 1800W – Antminer L3+ \/ S9\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/fd6025b12h-cooling-fan-6025-6cm-power-supply-unit-psu-bitmain-apw3-apw7-apw12\"\u003eFD6025B12H 6025 Fan – APW3 \/ APW7 \/ APW12\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/psad16025bm-12vdc-6025-6cm-cooling-fan-crypto-miner-psu-power-supply-bitmain-apw3-apw7\"\u003ePSAD16025BM Fan – APW3 \/ APW7 PSU\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eRepairing APW7 power supplies? \u003ca href=\"mailto:contact@lys-sz.com\"\u003eContact us at contact@lys-sz.com\u003c\/a\u003e for MOSFETs, fans and all PSU components.\u003c\/p\u003e\n\u003cp\u003eWorldwide shipping from our Shenzhen warehouse.\u003c\/p\u003e","brand":"LYS Shenzhen","offers":[{"title":"Default Title","offer_id":42680167694515,"sku":null,"price":1.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6710\/4179\/files\/NVMFS5C404N-5C404N-Power-MOSFET-40V-378A-N-Channel-Bitmain-APW7-PSU-repair-new.webp?v=1749015690","url":"https:\/\/lys-sz.com\/products\/nvmfs5c404n-5c404n-mosfet-bitmain-apw7-psu","provider":"LYS Shenzhen","version":"1.0","type":"link"}