{"product_id":"8205a-sot23-6-dual-n-channel-mosfet-li-ion-battery-protection","title":"8205A SOT-23-6 Dual N-Channel MOSFET Li-Ion Battery Protection (10-Pack)","description":"\u003ch2\u003e8205A SOT-23-6 Dual N-Channel MOSFET — Li-Ion Battery Protection BMS (10-Pack)\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003e8205A\u003c\/strong\u003e (also marked FS8205A, S8205A) is a dual N-Channel enhancement-mode MOSFET in a \u003cstrong\u003eSOT-23-6\u003c\/strong\u003e surface-mount package, integrating two independent MOSFETs rated at \u003cstrong\u003e30V \/ 6A\u003c\/strong\u003e with RDS(on) of \u003cstrong\u003e28mΩ\u003c\/strong\u003e. It is the standard charge\/discharge control MOSFET used in \u003cstrong\u003esingle-cell Li-ion and LiPo battery protection modules (BMS)\u003c\/strong\u003e, paired with the DW01A or FS312F-G protection IC.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e8205A \/ FS8205A \/ S8205A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOT-23-6 (SMD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eDual N-Channel MOSFET\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eV(DS) Max\u003c\/td\u003e\n\u003ctd\u003e30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI(D) Continuous (per channel)\u003c\/td\u003e\n\u003ctd\u003e6A @ 25°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRDS(on) Max\u003c\/td\u003e\n\u003ctd\u003e28mΩ @ VGS=4.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVGS(th)\u003c\/td\u003e\n\u003ctd\u003e0.5V – 1.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVGS Max\u003c\/td\u003e\n\u003ctd\u003e±12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e10 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003e8205A vs 9926A — BMS MOSFET Comparison\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003e8205A\u003c\/th\u003e\n\u003cth\u003e9926A\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOT-23-6\u003c\/td\u003e\n\u003ctd\u003eSOP-8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eV(DS)\u003c\/td\u003e\n\u003ctd\u003e30V\u003c\/td\u003e\n\u003ctd\u003e20V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI(D)\u003c\/td\u003e\n\u003ctd\u003e6A\u003c\/td\u003e\n\u003ctd\u003e6A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRDS(on)\u003c\/td\u003e\n\u003ctd\u003e28mΩ\u003c\/td\u003e\n\u003ctd\u003e28mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon BMS Pairing\u003c\/td\u003e\n\u003ctd\u003eDW01A, FS312F-G\u003c\/td\u003e\n\u003ctd\u003eDW01A, S-8261\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eBMS Circuit Function\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ1 (Charge MOSFET)\u003c\/strong\u003e — Controlled by CO pin of DW01A; blocks reverse charging current when battery is full\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ2 (Discharge MOSFET)\u003c\/strong\u003e — Controlled by DO pin of DW01A; disconnects load when battery is over-discharged\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack-to-Back Configuration\u003c\/strong\u003e — Source pins connected together; body diodes face opposite directions for bidirectional blocking\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose 8205A?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e30V Rating\u003c\/strong\u003e — Higher voltage margin than 9926A (20V) for improved reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e28mΩ RDS(on)\u003c\/strong\u003e — Low conduction loss; minimal heat at 1–2C discharge rates\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSOT-23-6 Package\u003c\/strong\u003e — Standard BMS PCB footprint; direct replacement for all 8205A variants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry Standard\u003c\/strong\u003e — Used in virtually all 18650, LiPo, and power bank BMS modules\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSingle-cell Li-ion\/LiPo BMS (paired with DW01A or FS312F-G)\u003c\/li\u003e\n\u003cli\u003ePower bank battery protection module\u003c\/li\u003e\n\u003cli\u003e18650 cell protection circuit\u003c\/li\u003e\n\u003cli\u003eE-cigarette and vape battery protection\u003c\/li\u003e\n\u003cli\u003ePortable device battery management\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I identify a failed 8205A in a BMS?\u003c\/strong\u003e\u003cbr\u003eA: Measure drain-source resistance with multimeter in diode mode. A shorted 8205A reads near 0Ω in both directions. A failed open reads OL in both directions. Replace both MOSFETs together for reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can 8205A replace 9926A directly?\u003c\/strong\u003e\u003cbr\u003eA: Not directly — different packages (SOT-23-6 vs SOP-8). Electrically similar but PCB footprint differs. Verify package compatibility before substituting.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e10× 8205A SOT-23-6 Dual N-Channel MOSFET\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"50PCS-8205A","offer_id":46991508472043,"sku":"14:29#50PCS-8205A","price":8.2,"currency_code":"USD","in_stock":true},{"title":"20PCS-8205A","offer_id":46991508504811,"sku":"14:10#20PCS-8205A","price":5.68,"currency_code":"USD","in_stock":true},{"title":"10PCS-8205A","offer_id":46991508537579,"sku":"14:350852#10PCS-8205A","price":4.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/8205a-sot23-6-dual-mosfet-smd-ic-chipset-power-management.webp?v=1761529285","url":"https:\/\/keszoox.com\/products\/8205a-sot23-6-dual-n-channel-mosfet-li-ion-battery-protection","provider":"Keszoox","version":"1.0","type":"link"}