{"product_id":"cbb28-metallized-polypropylene-film-capacitor-1250v-10pcs-1nf-8-2uf","title":"CBB28 Metallized Polypropylene Film Capacitor 1250V 10PCS | 1nF–8.2µF 10\/15mm Pitch | High-Voltage AC\/DC","description":"\u003ch2\u003eCBB28 Metallized Polypropylene Film Capacitor — 1250V, 1nF–8.2µF (10PCS)\u003c\/h2\u003e\n\n\u003cp\u003eHigh-voltage metallized polypropylene film capacitors rated at \u003cstrong\u003e1250V\u003c\/strong\u003e for demanding AC and DC applications. The CBB28 series features self-healing metallized film construction, flame-retardant epoxy encapsulation (UL94V-0), and low high-frequency losses — making them the preferred choice for resistor-capacitor (R-C) step-down power supplies, lamp ballasts, monitoring equipment, and high-voltage pulse circuits.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCBB28 (CBB22 1250V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDielectric\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetallized Polypropylene Film\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1250V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacitance Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1nF – 8.2µF (value as selected)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLead Spacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10mm \/ 15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThrough-hole, radial lead\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEncapsulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlame-retardant epoxy powder (UL94V-0)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStructure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFixed Capacitor, self-healing\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10PCS per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Capacitance Values\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003cth\u003eCode\u003c\/th\u003e\n\u003cth\u003eCapacitance\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e102J\u003c\/td\u003e\n\u003ctd\u003e1nF\u003c\/td\u003e\n\u003ctd\u003e562J\u003c\/td\u003e\n\u003ctd\u003e5.6nF\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e152J\u003c\/td\u003e\n\u003ctd\u003e1.5nF\u003c\/td\u003e\n\u003ctd\u003e682J\u003c\/td\u003e\n\u003ctd\u003e6.8nF\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e222J\u003c\/td\u003e\n\u003ctd\u003e2.2nF\u003c\/td\u003e\n\u003ctd\u003e822J\u003c\/td\u003e\n\u003ctd\u003e8.2nF\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e332J\u003c\/td\u003e\n\u003ctd\u003e3.3nF\u003c\/td\u003e\n\u003ctd\u003e103J\u003c\/td\u003e\n\u003ctd\u003e10nF\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e392J\u003c\/td\u003e\n\u003ctd\u003e3.9nF\u003c\/td\u003e\n\u003ctd\u003e223J\u003c\/td\u003e\n\u003ctd\u003e22nF\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e472J\u003c\/td\u003e\n\u003ctd\u003e4.7nF\u003c\/td\u003e\n\u003ctd\u003e474J\u003c\/td\u003e\n\u003ctd\u003e470nF\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e123J\u003c\/td\u003e\n\u003ctd\u003e12nF\u003c\/td\u003e\n\u003ctd\u003e825J\u003c\/td\u003e\n\u003ctd\u003e8.2µF\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003e1250V rated\u003c\/strong\u003e — handles mains-derived high-voltage circuits safely\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eSelf-healing metallized film\u003c\/strong\u003e — minor dielectric breakdowns self-repair, extending capacitor life\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eLow high-frequency loss\u003c\/strong\u003e — low ESR and ESL for clean performance in switching circuits\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eLow temperature rise\u003c\/strong\u003e — efficient operation even under high AC ripple current\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eHigh impact strength\u003c\/strong\u003e — robust construction for industrial environments\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eUL94V-0 flame-retardant encapsulation\u003c\/strong\u003e — meets fire safety standards for mains-connected equipment\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eGood AC withstand voltage\u003c\/strong\u003e — suitable for high-frequency AC and pulse applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eResistor-capacitor (R-C) step-down power supplies\u003c\/li\u003e\n  \u003cli\u003eFluorescent lamp and LED driver ballasts\u003c\/li\u003e\n  \u003cli\u003eMonitoring and security equipment power supplies\u003c\/li\u003e\n  \u003cli\u003eHigh-voltage pulse and snubber circuits\u003c\/li\u003e\n  \u003cli\u003eMotor run and start capacitor applications\u003c\/li\u003e\n  \u003cli\u003eEMI filter circuits on mains power lines\u003c\/li\u003e\n  \u003cli\u003eSMPS snubber and clamp circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between CBB22 and CBB28?\u003c\/strong\u003e\u003cbr\u003eA: CBB22 and CBB28 both use metallized polypropylene film. CBB28 is specifically rated for higher voltage applications (1250V) with flame-retardant epoxy encapsulation, making it suitable for mains-connected circuits where CBB22 standard ratings may be insufficient.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use these in an R-C step-down power supply?\u003c\/strong\u003e\u003cbr\u003eA: Yes. R-C step-down (capacitive dropper) power supplies are one of the primary applications for 1250V film capacitors. The high voltage rating provides adequate safety margin above the 230V AC mains peak voltage (~325V peak).\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e10× CBB28 Metallized Polypropylene Film Capacitors (value as selected)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"CBB28 1250V392J P10 \/ CHINA","offer_id":46959029747947,"sku":"200007763:201336100;688:203122832#CBB28 1250V392J P10","price":5.74,"currency_code":"USD","in_stock":true},{"title":"CBB28 1250V152J P10 \/ CHINA","offer_id":46959029780715,"sku":"200007763:201336100;688:203122828#CBB28 1250V152J P10","price":5.7,"currency_code":"USD","in_stock":true},{"title":"CBB28 1250V332J P10 \/ CHINA","offer_id":46959029813483,"sku":"200007763:201336100;688:203122854#CBB28 1250V332J P10","price":5.7,"currency_code":"USD","in_stock":true},{"title":"CBB28 1250V682J P10 \/ CHINA","offer_id":46959029846251,"sku":"200007763:201336100;688:203122850#CBB28 1250V682J P10","price":5.74,"currency_code":"USD","in_stock":true},{"title":"CBB81 1250V123J P15 \/ CHINA","offer_id":46959029879019,"sku":"200007763:201336100;688:203122836#CBB81 1250V123J P15","price":5.96,"currency_code":"USD","in_stock":true},{"title":"CBB28 1250V562J P10 \/ CHINA","offer_id":46959029911787,"sku":"200007763:201336100;688:203122846#CBB28 1250V562J P10","price":5.78,"currency_code":"USD","in_stock":true},{"title":"CBB81 1250V562J P15 \/ CHINA","offer_id":46959029944555,"sku":"200007763:201336100;688:202862835#CBB81 1250V562J P15","price":5.82,"currency_code":"USD","in_stock":true},{"title":"CBB28 1250V103J P10 \/ CHINA","offer_id":46959029977323,"sku":"200007763:201336100;688:202862831#CBB28 1250V103J P10","price":5.82,"currency_code":"USD","in_stock":true},{"title":"CBB28 1250V822J P10 \/ CHINA","offer_id":46959030010091,"sku":"200007763:201336100;688:202862827#CBB28 1250V822J P10","price":5.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/cbb28-metallized-film-capacitors-1250v.webp?v=1760509191","url":"https:\/\/keszoox.com\/products\/cbb28-metallized-polypropylene-film-capacitor-1250v-10pcs-1nf-8-2uf","provider":"Keszoox","version":"1.0","type":"link"}