Overview
The RIFA PEH169SV4729M is a high-capacity aluminum electrolytic capacitor in the Evox Rifa PEH169 series, specifically engineered for demanding DC power applications. With a capacitance rating of 7290µF at 280VDC, this polarized device delivers extended operational lifespan and reliability in industrial power conditioning, motor drives, UPS systems, and renewable energy converters. The unit features all-welded construction with heavy-duty screw terminals and extended cathode design, ensuring mechanical robustness in vibration-prone environments.
Key Features
- High capacitance density: 7290µF nominal rating supports large energy storage in compact cylindrical form
- Industrial-grade construction: All-welded design with reinforced molded aluminum lid and integral safety vent
- Wide temperature range: Operational from -40°C to +85°C, suitable for challenging thermal environments
- Screw terminal mounting: Heavy-duty contacts for secure, permanent installation
- Full traceability: Evox Rifa manufacturing code provides batch and year/week of production marking
- Polarized construction: Requires proper anode-to-cathode orientation; includes safety reverse-voltage protection up to 2V
Technical Specifications
- Capacitance: 7290µF ±20%
- Voltage Rating: 280VDC
- Operating Temperature Range: -40°C to +85°C
- Maximum Voltage Reversal: 2V (for short periods)
- Termination Type: Screw terminals (heavy-duty)
- Case Material: Aluminum cylindrical can with molded lid
- Electrolyte Type: Liquid aluminum oxide film
- Safety Features: Integral vent, extended cathode construction
- Manufacturing Origin: Evox Rifa (KEMET corporation family)
- Marking: Full batch code, year, and week of manufacture for traceability
Typical Applications
- DC motor drive power supplies and inverter filters
- Uninterruptible Power Supply (UPS) systems
- Wind turbine and renewable energy power electronics
- Automotive power electronic modules
- Telecom and datacenter backup power conditioning
- Industrial power conversion and rectifier smoothing
Compatibility & Replacements
Compatible With
- Industrial DC power systems rated 280VDC or lower
- Modular power supplies and industrial inverters
- UPS battery backup systems
- Motor drive rectifier and filter applications
- Custom power electronics assemblies with screw-terminal capacity connections
Replaces / Drop-In Replacement For
- Other Evox Rifa PEH169 series units with 280VDC, 7290µF specifications
- Verify exact dimensional and terminal compatibility with system integrator before ordering to ensure mechanical fit in confined enclosures
Works With
- Standard industrial DC rectifier circuits and filter networks
- Three-phase to DC power conversion modules
- Industrial automation equipment with integral power reservoirs
- Renewable energy and hybrid power systems
- No proprietary software or communication protocols required; direct passive component integration
