{"product_id":"fs50r12ke3","title":"FS50R12KE3","description":"\u003cstyle\u003e\n.flexa-desc { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; color:#1f2937; line-height:1.7; }\n.flexa-desc .desc-intro { font-size:15px; color:#374151; margin-bottom:0; }\n.flexa-desc .desc-section { margin-top:28px; }\n.flexa-desc .desc-section-title { font-size:15px; font-weight:700; color:#111827; text-transform:uppercase; letter-spacing:.05em; padding-bottom:10px; border-bottom:2px solid #e5e7eb; margin-bottom:16px; }\n.flexa-desc .desc-service-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }\n.flexa-desc .desc-service-card { border-radius:10px; padding:16px; border:1px solid #e5e7eb; }\n.flexa-desc .desc-service-repair { background:#fff7ed; border-color:#fed7aa; }\n.flexa-desc .desc-service-ref { background:#f0fdf4; border-color:#bbf7d0; }\n.flexa-desc .desc-service-new { background:#eff6ff; border-color:#bfdbfe; }\n.flexa-desc .desc-service-label { font-weight:700; font-size:13px; text-transform:uppercase; letter-spacing:.04em; margin-bottom:8px; }\n.flexa-desc .desc-service-repair .desc-service-label { color:#c2410c; }\n.flexa-desc .desc-service-ref .desc-service-label { color:#15803d; }\n.flexa-desc .desc-service-new .desc-service-label { color:#1d4ed8; }\n.flexa-desc .desc-service-body { font-size:13px; color:#4b5563; line-height:1.6; }\n.flexa-desc .desc-faq-item { margin-bottom:16px; padding:14px 16px; background:#f9fafb; border-radius:8px; border-left:3px solid #e5e7eb; }\n.flexa-desc .desc-faq-item:last-child { margin-bottom:0; }\n.flexa-desc .desc-faq-q { font-weight:700; font-size:14px; color:#111827; margin-bottom:6px; }\n.flexa-desc .desc-faq-a { font-size:13px; color:#4b5563; line-height:1.6; }\n.flexa-desc .desc-seo { margin-top:24px; padding:14px 16px; background:#f3f4f6; border-radius:8px; font-size:13px; color:#6b7280; line-height:1.6; }\n@media(max-width:640px){ .flexa-desc .desc-service-grid { grid-template-columns:1fr; } }\n\u003c\/style\u003e\n\u003cdiv class=\"flexa-desc\"\u003e\n  \u003cp class=\"desc-intro\"\u003eFS50R12KE3 repair service is available through Flexa Systems for facilities running Infineon Technologies IGBT power modules in demanding industrial environments. Whether you need Infineon Technologies FS50R12KE3 repair after an unexpected shutdown or are sourcing an FS50R12KE3 refurbished unit to minimize downtime, Flexa Systems provides factory-level reconditioning backed by in-house testing. The FS50R12KE3 is a high-voltage IGBT module rated at 1,200 V and 50 A continuous collector current, making it a core switching component in variable frequency drive power stages used across steel processing, petrochemical, and heavy conveyor applications. Its trench-gate IGBT cell structure and co-packaged freewheeling diodes are optimized for hard-switching inverter topologies operating at switching frequencies between 2 kHz and 20 kHz. Facilities searching for FS50R12KE3 repair near me will find that Flexa Systems ships nationwide from Lewisville, TX, with prepaid return labels and free diagnostics on every inbound unit. FS50R12KE3 troubleshooting is performed by technicians trained specifically on Infineon EconoPACK3 platform modules, using curve tracers and thermal impedance analyzers to isolate gate oxide degradation, bond wire fatigue, and internal solder delamination. Industrial VFD repair at this voltage class requires specialized high-potential test equipment, and every module leaving our facility is load-tested under conditions that replicate the customer's actual duty cycle. If your process relies on the FS50R12KE3 for spindle drives, traction inverters, or high-horsepower pump control, Flexa Systems can typically return a fully reconditioned unit within 5 to 7 business days.\u003c\/p\u003e\n\u003cdiv class=\"desc-section\"\u003e\n  \u003cdiv class=\"desc-section-title\"\u003eTechnical Specifications\u003c\/div\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;border-radius:8px;overflow:hidden;border:1px solid #e5e7eb;\"\u003e\n\u003ctr style=\"background:#f8f9fa;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;color:#374151;width:38%;font-size:13px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003eFS50R12KE3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;color:#374151;width:38%;font-size:13px;\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003eInfineon Technologies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f8f9fa;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;color:#374151;width:38%;font-size:13px;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003e1.2 kV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;color:#374151;width:38%;font-size:13px;\"\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003e75 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f8f9fa;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;color:#374151;width:38%;font-size:13px;\"\u003ePower Rating\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003e270 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px;font-weight:600;color:#374151;width:38%;font-size:13px;\"\u003ePackage \/ Type\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px;color:#1f2937;font-size:13px;\"\u003eIGBT Module\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"desc-section\"\u003e\n  \u003cdiv class=\"desc-section-title\"\u003eCompatibility\u003c\/div\u003e\n  \u003cp style=\"font-size:14px;color:#374151;margin:0;line-height:1.7;\"\u003eThe FS50R12KE3 is compatible with Infineon Technologies EconoPACK3 footprint inverter platforms and integrates into drive topologies that accept 1,200 V half-bridge or phase-leg IGBT assemblies, including systems built around the Infineon FF300R12KE3 and FF450R12KE3 modules in parallel or series configurations. Infineon Technologies FS50R12KE3 integration is straightforward in drive designs that use standard 34 mm pitch EconoPACK3 gate-drive interfaces, making it interchangeable within platforms that also accept the FS75R12KE3 at derated current levels. The FS50R12KE3 replacement for legacy EconoPACK2 designs may require an adapter gate-drive board, but the module is electrically compatible with PROFIBUS-controlled drive systems, Siemens SINAMICS S120 power sections, and ABB ACS800 inverter stages that share the same bus voltage class. Engineers integrating this module should verify gate resistance values (typically Rgon = 10 Ω, Rgoff = 10 Ω) and confirm compatibility with isolated gate-driver ICs such as the Infineon 2ED020I12-F2 or equivalent CONCEPT 2SC0108T driver boards used in multi-level inverter topologies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"desc-section\"\u003e\n  \u003cdiv class=\"desc-section-title\"\u003eService Options\u003c\/div\u003e\n  \u003cdiv class=\"desc-service-grid\"\u003e\n    \u003cdiv class=\"desc-service-card desc-service-repair\"\u003e\n      \u003cdiv class=\"desc-service-label\"\u003eRepair Service\u003c\/div\u003e\n      \u003cdiv class=\"desc-service-body\"\u003eShip your faulty FS50R12KE3 to our facility. Our certified technicians perform IGBT testing, capacitor inspection, gate driver diagnostics, and full load testing. Typical turnaround: 5–7 business days. 2-year warranty included.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"desc-service-card desc-service-ref\"\u003e\n      \u003cdiv class=\"desc-service-label\"\u003eRefurbished\u003c\/div\u003e\n      \u003cdiv class=\"desc-service-body\"\u003eIn-stock Infineon Technologies FS50R12KE3 variable frequency drive, reconditioned to OEM specifications and verified under load. Ships immediately. 2-year warranty included.\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"desc-service-card desc-service-new\"\u003e\n      \u003cdiv class=\"desc-service-label\"\u003eBrand New\u003c\/div\u003e\n      \u003cdiv class=\"desc-service-body\"\u003eNew FS50R12KE3 in original Infineon Technologies packaging. Full manufacturer warranty applies. Contact us to confirm availability and lead time.\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"desc-section\"\u003e\n  \u003cdiv class=\"desc-section-title\"\u003eCommon Failure Modes\u003c\/div\u003e\n  \u003cul style=\"margin:0;padding-left:20px;line-height:1.7;\"\u003e\n\u003cli style=\"padding:5px 0;color:#374151;font-size:14px;\"\u003eDC bus overvoltage fault triggered during deceleration ramp in FS50R12KE3 units where the freewheeling diode reverse recovery characteristic has degraded — typically presents as nuisance tripping at bus voltages above 850 V DC with no load change.\u003c\/li\u003e\n\u003cli style=\"padding:5px 0;color:#374151;font-size:14px;\"\u003eBond wire lift-off on the collector terminal of the lower IGBT switch, causing intermittent phase-to-phase current imbalance and elevated module case temperature — a failure mode accelerated in FS50R12KE3 installations subject to frequent thermal cycling above 80°C case temperature.\u003c\/li\u003e\n\u003cli style=\"padding:5px 0;color:#374151;font-size:14px;\"\u003eFS50R12KE3 troubleshooting often uncovers gate oxide punch-through on Q2 position resulting from repetitive dV\/dt transients exceeding 15 kV\/μs, commonly traced to missing or undersized gate clamp resistors in the drive's gate-driver output stage.\u003c\/li\u003e\n\u003cli style=\"padding:5px 0;color:#374151;font-size:14px;\"\u003eFS50R12KE3 fault presenting as hard shoot-through (phase arm short circuit) during startup, caused by solder fatigue-induced delamination of the DBC substrate from the copper baseplate — detectable via ultrasonic scanning or elevated thermal resistance Rth(j-c) measurements during acceptance testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"desc-section\"\u003e\n  \u003cdiv class=\"desc-section-title\"\u003eFrequently Asked Questions\u003c\/div\u003e\n  \u003cdiv class=\"desc-faq-item\"\u003e\n\u003cdiv class=\"desc-faq-q\"\u003eIs the FS50R12KE3 compatible with or interchangeable with other Infineon IGBT modules?\u003c\/div\u003e\n\u003cdiv class=\"desc-faq-a\"\u003eThe FS50R12KE3 is compatible with other EconoPACK3 platform modules sharing the same 1,200 V collector-emitter voltage rating, and in many drive designs it can be substituted with the FS75R12KE3 (derated to 50 A operation) or used as a direct replacement for the older FS50R12KT3 where the updated KE3 generation offers improved short-circuit withstand time. For cross-manufacturer replacement, engineers have successfully qualified this module as an FS50R12KE3 replacement for Semikron SKM50GB12T4 units installed in equivalent drive platforms, provided gate-drive timing and protection thresholds are recalibrated. Siemens SINAMICS S120 booksize power modules and certain Yaskawa A1000 series inverter boards also use equivalent EconoPACK3 footprint devices, making the FS50R12KE3 a viable candidate in those repair scenarios after gate-drive verification. Always confirm Rth(j-c), Vce(sat) curves, and diode recovery characteristics match the original device before commissioning.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"desc-faq-item\"\u003e\n\u003cdiv class=\"desc-faq-q\"\u003eHow do I know if my FS50R12KE3 is repairable or if I need a full replacement?\u003c\/div\u003e\n\u003cdiv class=\"desc-faq-a\"\u003eInfineon Technologies FS50R12KE3 units are generally candidates for FS50R12KE3 repair when the failure is limited to gate-drive interface damage, solder joint fatigue on the substrate, or degraded thermal interface material — conditions that do not compromise the IGBT silicon itself. Units that have experienced a confirmed shoot-through event with visible internal arc damage, cracked DBC ceramic substrate, or collector-emitter leakage current (Ices) exceeding 2 mA at rated voltage are typically beyond economic repair and require a replacement module. Thermal resistance measurements above 0.08 K\/W for Rth(j-c) on a 50 A device indicate advanced substrate delamination, which our technicians identify during incoming ultrasonic inspection. If you are unsure, Flexa Systems offers free diagnostics on every unit received, and our technicians will provide a written assessment before any repair work begins.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"desc-faq-item\"\u003e\n\u003cdiv class=\"desc-faq-q\"\u003eWhere can I get FS50R12KE3 repair service with a warranty?\u003c\/div\u003e\n\u003cdiv class=\"desc-faq-a\"\u003eFlexa Systems, based in Lewisville, TX, provides FS50R12KE3 repair service with a 2-year warranty covering both parts and labor on every reconditioned module shipped. Our standard turnaround is 5 to 7 business days from receipt, and we serve customers nationwide with prepaid inbound shipping and real-time repair status updates. If you need to buy FS50R12KE3 USA stock quickly, we maintain an inventory of tested and warranted units available for immediate exchange shipment so your process line does not wait for a repair cycle. Contact Flexa Systems directly to request free diagnostics, exchange pricing, or FS50R12KE3 for sale inventory availability for your specific application.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"desc-faq-item\"\u003e\n\u003cdiv class=\"desc-faq-q\"\u003eWhere can I get FS50R12KE3 repair service with a warranty?\u003c\/div\u003e\n\u003cdiv class=\"desc-faq-a\"\u003eFlexa Systems provides professional FS50R12KE3 repair service from our facility in Lewisville, TX, serving customers nationwide. Standard turnaround is 5–7 business days from receipt and all repaired units ship with a 2-year warranty. Rush service (2–3 business days) is also available.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e\n  \u003cdiv class=\"desc-seo\"\u003eFlexa Systems specializes in Infineon Technologies FS50R12KE3 variable frequency drive repair, supplying refurbished and new units backed by a 2-year warranty. All drives are load-tested before shipping. Serving industrial facilities nationwide from Lewisville, TX.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Infineon","offers":[{"title":"Repair Service","offer_id":67958711615763,"sku":"2100000025329","price":0.0,"currency_code":"USD","in_stock":true},{"title":"Refurbished","offer_id":67958711648531,"sku":"2100000025329","price":0.0,"currency_code":"USD","in_stock":false},{"title":"Brand New","offer_id":67958711681299,"sku":"2100000025329","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/1948\/5715\/files\/4af3ea583f40458aa5c47349940089a4_default.jpg?v=1793952368","url":"https:\/\/flexa-systems.com\/products\/fs50r12ke3","provider":"Flexa Systems","version":"1.0","type":"link"}