{"product_id":"sfcap45440r-round-run-capacitor-45-mfd-370v-440v-universal-replacement","title":"SFCAP45440R Round Run Capacitor 45 MFD 370V\/440V Universal Replacement","description":"\u003cdiv class=\"Y3BBE\" data-sfc-cp=\"\" data-sfc-cb=\"\" data-hveid=\"CAEIAxAA\" data-complete=\"true\" data-processed=\"true\"\u003e\n\u003ch1\u003eSFCAP45440R Round Run Capacitor 45 MFD 370V\/440V Universal Replacement\u003c\/h1\u003e\n\u003cp\u003eThe Trane SFCAP45440R is a high-performance 45 MFD round run capacitor designed to serve as the electrical \"brain\" and power reservoir for your outdoor unit's compressor or fan motor. This critical component provides the necessary phase-shift and torque required for the motor to start and run efficiently. Engineered specifically for \u003cstrong\u003eTrane and American Standard\u003c\/strong\u003e furnace and A\/C series, this capacitor stores an electrical charge to maintain a consistent magnetic field within the motor windings. By stabilizing the voltage and current, it ensures your compressor operates at peak efficiency, preventing the overheating and \"hard starting\" that can lead to catastrophic system failure during high-demand summer months.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Trane Service First Part SFCAP45440R:\u003c\/strong\u003e A factory-authorized component designed to meet the rigorous vibration and thermal standards of Trane and American Standard equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Voltage Rating (370V\/440V):\u003c\/strong\u003e This \"Universal\" 440V rating allows it to safely replace both 370V and 440V capacitors, providing superior dielectric strength and a longer service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixes Compressor Starting \u0026amp; Hum Issues:\u003c\/strong\u003e Directly resolves common \"humming\" sounds and intermittent startup failures by providing the precise 45 MFD capacitance required for the motor's run winding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-PCB, Oil-Filled Safety Design:\u003c\/strong\u003e Features an internal pressure-sensitive interrupter that safely disconnects the capacitor in the event of an internal short, preventing the casing from rupturing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRust-Resistant Aluminum Casing:\u003c\/strong\u003e Constructed with a high-grade aluminum housing designed to dissipate heat rapidly and resist corrosion in high-humidity outdoor environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Trane \/ American Standard \/ Service First\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Trane Technologies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart #:\u003c\/strong\u003e SFCAP45440R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC\/SKU:\u003c\/strong\u003e 662425455241 \/ SFCAP45440R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.8 lbs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacitance:\u003c\/strong\u003e 45 MFD (uF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 370 \/ 440 VAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency:\u003c\/strong\u003e 50 \/ 60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTolerance:\u003c\/strong\u003e +\/- 5%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temp:\u003c\/strong\u003e -40°C to +70°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e🛠️ HVAC Depot Pro Tip\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\"Take a Picture First\"\u003c\/strong\u003e—before you disconnect the wires from the old capacitor, photograph the terminal markings (C, HERM, or FAN). Since the SFCAP45440R is a \"Run\" capacitor, ensure you are matching the correct microfarad (45 MFD) rating of the original part. During your \u003cstrong\u003eDiagnostic Check\u003c\/strong\u003e, use a multimeter to verify the capacitor is fully discharged before handling. If you see the top of your old capacitor is \"domed\" or \"bulged,\" it has failed and must be replaced immediately to prevent damage to your expensive compressor motor.\u003c\/p\u003e\n\u003ch2\u003eCross-Reference\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperseded \/ Legacy Numbers:\u003c\/strong\u003e CPT00662, CPT-0662, CPT0662, C345R, CAP00450440R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAffiliated \/ Related Numbers:\u003c\/strong\u003e CPT01146, CPT-1146, CPT01861, CPT-1861\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrawing \/ Equivalent Numbers:\u003c\/strong\u003e USA2234, 97F9645, 12945\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMARS \/ Packard Equivalents:\u003c\/strong\u003e 12245, 14245, POC45\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eModel Compatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrane XE \/ XL Series\u003c\/strong\u003e (Suffixes: XE1000, XE1100, XE1200, XL1200, XL13i, XL14i, XL16i)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmerican Standard Allegiance\u003c\/strong\u003e (Suffixes: 10, 11, 12, 13, 14, 16)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrane XR Series\u003c\/strong\u003e (Suffixes: XR11, XR12, XR13, XR14, XR15)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrane TWE \/ TWP\u003c\/strong\u003e (Suffixes: 030, 036, 042, 048, 060)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmerican Standard Silver \/ Gold\u003c\/strong\u003e (Suffixes: SI, XI, ZI)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBay \/ GAT Series\u003c\/strong\u003e (Suffixes: GAT036, GAT048, GAT060)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Service First","offers":[{"title":"Default Title","offer_id":52255850955115,"sku":"817506025648","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/SFCAP45440R_0d3ccca9-1d56-44c3-a450-98f9f9b24afa.jpg?v=1772563494","url":"https:\/\/tophvacparts.com\/products\/sfcap45440r-round-run-capacitor-45-mfd-370v-440v-universal-replacement","provider":"HVAC Parts and Equipment Depot","version":"1.0","type":"link"}