{"product_id":"supco-microwave-slow-blow-ceramic-fuse-20a-250v-cf20sb","title":"Supco Microwave Slow-Blow Ceramic Fuse, 20A 250V - CF20SB","description":"\u003ch2\u003eSupco Microwave Slow-Blow Ceramic Fuse, 20A 250V - CF20SB\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRestore microwave circuit protection\u003c\/strong\u003e with this aftermarket replacement Supco Microwave Slow-Blow Ceramic Fuse, 20A 250V - CF20SB. This 20 amp, 250 volt slow-blow ceramic fuse is designed for appliance circuits that require time-delay protection instead of an instant-opening fast-blow fuse.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Used in select microwave and domestic appliance fuse applications where a 20A 250V slow-blow ceramic fuse is specified.\u003c\/p\u003e\u003cp\u003eThis part commonly replaces previous part numbers including W10138793 and 4393146.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment \/ What To Verify:\u003c\/strong\u003e Verify that the original fuse calls for a slow-blow\/time-delay 20A 250V ceramic fuse. Fast-blow and slow-blow fuses are not interchangeable unless the appliance service information allows it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePlease confirm fitment with your appliance model number before ordering.\u003c\/strong\u003e\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eIs it time to replace?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon Symptoms:\u003c\/strong\u003e Microwave or appliance has no power, fuse tests open, or power is interrupted after a surge or component fault.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible\/Sensory Cues:\u003c\/strong\u003e Open fuse on continuity test, overheated fuse clips, discolored fuse holder, or repeated fuse failure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePro Tip:\u003c\/strong\u003e A fuse is a safety device, not the root-cause repair. If it opens again, diagnose the door-switch circuit and high-voltage components before returning the unit to service.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\" style=\"width:100%; border-collapse: collapse;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eCF20SB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSUPCO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSupco Microwave Slow-Blow Ceramic Fuse, 20A 250V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eAmperage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e20 Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e250 Volt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFuse Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eSlow-Blow Ceramic Fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eCommon Replacement Numbers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eW10138793, 4393146\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"SUPCO","offers":[{"title":"Default Title","offer_id":45465980469427,"sku":"CF20SB","price":2.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/7322\/0019\/files\/media_69a7c211-2294-4307-80bb-06129dead67a.jpg?v=1781423936","url":"https:\/\/www.homeownersapplianceparts.com\/products\/supco-microwave-slow-blow-ceramic-fuse-20a-250v-cf20sb","provider":"Homeowners","version":"1.0","type":"link"}