{"product_id":"22000uf-80v-2-pin-electrolytic-capacitor-35x80-audio","title":"22000µF 80V Electrolytic Capacitor 2-Pin – 35×80mm for DIY Audio","description":"\u003c!-- 产品描述开始 --\u003e\n\u003cdiv class=\"product-description\"\u003e\n\u003ch1\u003e22000µF 80V Electrolytic Capacitor – 2-Pin, 35×80mm for DIY Audio\u003c\/h1\u003e\n\n\u003cp\u003eCompact high-capacity \u003cstrong\u003e22000µF 80V electrolytic capacitor\u003c\/strong\u003e with \u003cstrong\u003e2-pin radial\/axial leads\u003c\/strong\u003e and a space-saving \u003cstrong\u003e35×80mm\u003c\/strong\u003e body. Designed for \u003cstrong\u003eDIY audio amplifier power supplies\u003c\/strong\u003e, filtering, and smoothing where board space or chassis depth is limited. Same massive capacitance as larger snap-in types, but in a shorter, more versatile package.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e✅ \u003cstrong\u003eCapacitance:\u003c\/strong\u003e 22000µF (22000mfd)\u003c\/li\u003e\n\t\u003cli\u003e✅ \u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 80V DC\u003c\/li\u003e\n\t\u003cli\u003e✅ \u003cstrong\u003eTerminals:\u003c\/strong\u003e 2-pin (standard radial or axial lead, ± polarity)\u003c\/li\u003e\n\t\u003cli\u003e✅ \u003cstrong\u003eBody Size:\u003c\/strong\u003e 35mm diameter × 80mm height – shorter than standard 35×100mm\u003c\/li\u003e\n\t\u003cli\u003e✅ \u003cstrong\u003eLow ESR\u003c\/strong\u003e – reduced heat, cleaner power delivery\u003c\/li\u003e\n\t\u003cli\u003e✅ \u003cstrong\u003eHigh ripple current\u003c\/strong\u003e handling for audio amplifier duty\u003c\/li\u003e\n\t\u003cli\u003e✅ \u003cstrong\u003eCompact profile\u003c\/strong\u003e fits tighter enclosures and PCB layouts\u003c\/li\u003e\n\t\u003cli\u003e✅ Brand new, factory fresh stock\u003c\/li\u003e\n\t\u003cli\u003e✅ RoHS compliant\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%; max-width:640px;\"\u003e\n\t\u003ctbody\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003cth align=\"left\"\u003eParameter\u003c\/th\u003e\n\t\t\t\u003cth align=\"left\"\u003eValue\u003c\/th\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eCapacitance\u003c\/td\u003e\n\t\t\t\u003ctd\u003e22000µF (22000mfd)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\t\t\t\u003ctd\u003e80V DC\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eTolerance\u003c\/td\u003e\n\t\t\t\u003ctd\u003e±20% typical\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eCapacitor Type\u003c\/td\u003e\n\t\t\t\u003ctd\u003eAluminum Electrolytic\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eMounting Type\u003c\/td\u003e\n\t\t\t\u003ctd\u003e2-pin radial (or axial, verify variant)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eBody Diameter\u003c\/td\u003e\n\t\t\t\u003ctd\u003e35mm\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eBody Height\u003c\/td\u003e\n\t\t\t\u003ctd\u003e80mm\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003ePin Configuration\u003c\/td\u003e\n\t\t\t\u003ctd\u003e2-pin (1 positive, 1 negative)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eLead Diameter\u003c\/td\u003e\n\t\t\t\u003ctd\u003e~0.8–1.0mm (verify for PCB hole sizing)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\t\t\t\u003ctd\u003e-40°C to +85°C typical\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eLifespan\u003c\/td\u003e\n\t\t\t\u003ctd\u003e2000–5000 hours @ rated conditions\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eESR\u003c\/td\u003e\n\t\t\t\u003ctd\u003eLow (model dependent)\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003e2-Pin vs 4-Pin: Which Do You Need?\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e2-Pin (this listing):\u003c\/strong\u003e Standard polarity, simpler wiring, shorter 80mm height – ideal for PCB mounting or shallow chassis where snap-in won't fit.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003e4-Pin:\u003c\/strong\u003e Dual +\/- terminals for lower ESR through parallel paths – preferred when space allows and ultimate ripple performance is critical.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBoth deliver 22000µF at 80V. Choose based on your mechanical constraints and wiring preference.\u003c\/p\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eDIY audio amplifier power supply filtering (Class AB, Class D)\u003c\/li\u003e\n\t\u003cli\u003ePreamp and headphone amplifier DC rails\u003c\/li\u003e\n\t\u003cli\u003eDAC and audio interface power regulation\u003c\/li\u003e\n\t\u003cli\u003eActive speaker amplifier plate PCBs\u003c\/li\u003e\n\t\u003cli\u003eAudio equipment recap \/ restoration projects\u003c\/li\u003e\n\t\u003cli\u003eCompact high-current DC power supplies\u003c\/li\u003e\n\t\u003cli\u003eSubwoofer plate amplifier PSU (space-constrained builds)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDIY Installation Tips\u003c\/h2\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePolarity:\u003c\/strong\u003e Observe correct +\/- orientation. Reverse connection causes failure and potential venting.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003ePCB Hole Size:\u003c\/strong\u003e Verify lead diameter against your board's drill holes before ordering.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eClearance:\u003c\/strong\u003e 80mm height still requires planning – measure internal chassis depth before purchase.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e For PCB use, consider adding cable ties or adhesive mounts for mechanical stability on vibration-prone equipment.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eBleeder:\u003c\/strong\u003e Always include a bleeder resistor across the cap in your PSU design for safe discharge.\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eParallel:\u003c\/strong\u003e Can be paralleled with additional units for higher total capacitance and lower ESR.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This Capacitor?\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e35×80mm 2-pin form factor\u003c\/strong\u003e solves a common DIY problem: you need the massive energy storage of 22000µF for clean bass and stable rails, but your chassis or PCB can't accommodate a 100mm-tall snap-in. This compact version gives you the same capacitance and voltage headroom in a shorter package, with standard 2-pin leads that work with any PCB layout or point-to-point wiring. A practical choice for space-conscious audio builds that don't want to compromise on power supply performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOrder today\u003c\/strong\u003e – fast worldwide shipping on this essential compact DIY audio capacitor!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- 产品描述结束 --\u003e","brand":"DIYMars","offers":[{"title":"Default Title","offer_id":53367743152439,"sku":"B068","price":12.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/5562\/4503\/files\/57_f23a0f5c-f920-4edb-8ea3-68b717ae0a74.jpg?v=1792377514","url":"https:\/\/www.diymars.com\/pt\/products\/22000uf-80v-2-pin-electrolytic-capacitor-35x80-audio","provider":"DIYMars","version":"1.0","type":"link"}