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RIFA
PEH169SO4220Q
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SKU: 2100000020126
$70.00
Contact us for pricing
2-Year Warranty
Free Diagnostics
5–30 Day Turnaround
Nationwide Service
Repair option: component-level repair is available for this model — free diagnostics, a 2-year warranty, and a 5–30 business day turnaround. Repair typically costs 40–70% of a new unit, saving you 30–60%. Request a repair quote.
RIFA PEH169SO4220Q repair service is a core specialty at Flexa Systems, where our technicians work daily on this 2200µF 250V screw-mount electrolytic capacitor as a critical DC bus component in industrial variable frequency drives. Whether you need RIFA PEH169SO4220Q repair or are sourcing a PEH169SO4220Q refurbished unit to minimize downtime, understanding this component's role is essential — it functions as the primary DC link filter capacitor, smoothing rectified bus voltage and absorbing ripple current generated during PWM switching cycles. Engineers dealing with PEH169SO4220Q troubleshooting often find that capacitor ESR (equivalent series resistance) rise is the root cause of erratic drive behavior long before visible failure occurs. This screw-terminal form factor is common in mid-frame VFDs operating in demanding environments such as pump stations, compressor banks, HVAC systems, and conveyor lines where thermal cycling accelerates electrolyte degradation. The 250V rating places this capacitor in drives operating on 120–240VAC single-phase or three-phase rectified bus topologies, and its 2200µF capacitance is sized to sustain bus voltage stability under dynamic load transients. If you're searching for PEH169SO4220Q repair near me, Flexa Systems serves customers across Texas and provides nationwide industrial VFD repair shipping service with fast turnaround. Our free diagnostics process identifies whether the capacitor alone or associated gate drive and control circuitry have been compromised before any repair work begins.
Technical Specifications
Part Number
PEH169SO4220Q
Manufacturer
RIFA
Voltage
250V
Package / Type
Aluminum Electrolytic Capacitors
Compatibility
The PEH169SO4220Q is compatible with mid-frame RIFA and KEMET-platform VFD assemblies that utilize screw-mount DC bus capacitor banks, and serves as a direct PEH169SO4220Q replacement for the KEMET PEH169SO4220QB2 in all documented configurations. RIFA PEH169SO4220Q integration has been confirmed in drives communicating over Profibus-DP and DeviceNet fieldbuses, where stable DC bus filtering is critical to preventing nuisance faults during network-synchronized acceleration ramps. The component is electrically interchangeable in capacitor bank assemblies found in RIFA RVS-DN, RVS-AX, and RVS-BX series soft-starter and VFD platforms, as well as in third-party drives such as the ABB ACS550 and Siemens MICROMASTER 440 that share equivalent 2200µF 250V DC bus capacitor specifications. PEH169SO4220Q compatible with standard M8 screw-terminal bus bar configurations, it also pairs correctly with input line reactors rated 3–5% impedance and motor output filters used to suppress dV/dt on cable runs exceeding 100 feet.
Service Options
Repair Service
Ship your faulty PEH169SO4220Q 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.
Refurbished
In-stock RIFA PEH169SO4220Q variable frequency drive, reconditioned to OEM specifications and verified under load. Ships immediately. 2-year warranty included.
Brand New
New PEH169SO4220Q in original RIFA packaging. Full manufacturer warranty applies. Contact us to confirm availability and lead time.
Common Failure Modes
DC bus ripple-induced IGBT overheat fault on drives where PEH169SO4220Q capacitance has degraded below 1800µF — measurable with a capacitance meter at the screw terminals with bus fully discharged, typically presenting as thermal shutdown within 20–40 minutes of load application.
PEH169SO4220Q troubleshooting often reveals case venting or electrolyte crust around the screw terminals after sustained operation above 70°C ambient, causing progressive ESR increase that triggers overvoltage or undervoltage bus faults (commonly logged as F003 or F011 in RIFA-platform drives).
Intermittent drive fault on deceleration attributed to insufficient hold-up capacitance during regenerative braking events — a PEH169SO4220Q fault pattern where the capacitor can no longer absorb reverse energy, causing DC bus overvoltage trips at the end of ramp-down sequences.
Leakage current exceeding 5mA after prolonged storage or infrequent duty cycles, resulting in nuisance ground fault trips during initial power-up — this occurs when the aluminum oxide dielectric layer de-forms and requires a controlled voltage reformation procedure before the capacitor is returned to service.
Frequently Asked Questions
Is the PEH169SO4220Q compatible with or interchangeable with other capacitor models in RIFA and competitor VFD platforms?
The PEH169SO4220Q compatible with the KEMET PEH169SO4220QB2 as a confirmed drop-in replacement, sharing identical 2200µF capacitance, 250V DC voltage rating, and screw-mount terminal geometry. It is also electrically interchangeable with the Vishay BCcomponents 058 series and Nichicon LGU2E222MELZ in drives such as the ABB ACS550-01 and the Yaskawa V1000 where equivalent bus capacitor footprints are used, provided lead spacing and case diameter are verified against the host drive's PCB or bus bar mounting points. Always confirm the ripple current rating meets or exceeds the original specification — the PEH169SO4220Q replacement should match or exceed the OEM ripple rating to avoid accelerated wear in high-switching-frequency drives.
How do I know whether my PEH169SO4220Q is worth repairing or if the entire drive assembly needs replacement?
PEH169SO4220Q repair is cost-effective when capacitance measurement shows degradation between 15–30% below rated value and ESR is elevated but gate driver ICs, IGBT modules, and control boards show no carbon tracking, corrosion, or thermal damage. If RIFA PEH169SO4220Q inspection reveals physical venting, bulging of the aluminum case, or electrolyte leakage that has contaminated adjacent PCB traces or bus bar connections, those secondary components must be evaluated before the capacitor swap alone can restore proper drive function. Drives that have sustained a hard bus overvoltage event — indicated by blown MOV clamps or discolored snubber resistors — require full board-level inspection, as the capacitor failure is often symptomatic rather than the primary fault.
Where can I get PEH169SO4220Q repair service with a warranty?
Flexa Systems, located in Lewisville TX, provides PEH169SO4220Q repair service with a 2-year warranty on all completed repairs, covering both the replaced capacitor and any associated components serviced during the same job. Our standard turnaround is 5–7 business days from receipt of the unit, and we offer free diagnostics so you know the full scope of the repair before authorizing any work. We ship nationwide, so customers outside Texas can send drives directly to our facility with prepaid return labels arranged through our service portal. If you need to buy PEH169SO4220Q USA stock or have a PEH169SO4220Q for sale inquiry for core exchange, our parts team can discuss available inventory and cross-reference options during the diagnostic call.
Where can I get PEH169SO4220Q repair service with a warranty?
Flexa Systems provides professional PEH169SO4220Q 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.
Flexa Systems specializes in RIFA PEH169SO4220Q 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.
Technical Specifications
Part Number:
PEH169SO4220Q
Manufacturer:
RIFA
Voltage:
250V
Type:
Aluminum Electrolytic Capacitors
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