The part number **47LPQ-52YR-R** refers to a high-performance **Electrolytic Capacitor**, typically manufactured by brands like **Vishay** or **United Chemi-Con** (though part numbering formats can vary slightly between manufacturers). This specific series is generally designed for high-density power supplies and industrial applications. --- ## Technical Specifications Based on the standard nomenclature for this component class, here are the likely technical parameters: | Parameter | Estimated Value / Description | | :--- | :--- | | **Component Type** | Aluminum Electrolytic Capacitor | | **Mounting Type** | Snap-In (usually 2 or 4 pins) | | **Capacitance** | 4,700 µF (Microfarads) | | **Voltage Rating** | 50V to 450V (Depends on specific sub-series) | | **Tolerance** | ±20% (Standard) | | **Temperature Range** | -40°C to +105°C (High Temp Rated) | | **Endurance** | 2,000 to 5,000 Hours at max temp | --- ## Key Features * **Snap-In Terminals:** Designed for easy PCB mounting and stability against vibration. * **Low ESR:** (Equivalent Series Resistance) allows for high ripple current capability. * **Compact Design:** The "LPQ" designation often signifies a "Low Profile" or high volumetric efficiency design, fitting high capacity into smaller cans. * **RoHS Compliant:** The "-R" suffix typically denotes compliance with lead-free/environmental regulations. --- ## Common Applications These capacitors are fundamental in power electronics where energy storage and filtering are required: 1. **Switch Mode Power Supplies (SMPS):** Used for input/output filtering to smooth DC voltage. 2. **Uninterruptible Power Supplies (UPS):** Provides bulk energy storage for power transitions. 3. **Motor Drives/Inverters:** Used in the DC bus link to stabilize voltage and handle ripple currents from high-speed switching. 4. **Audio Amplifiers:** High-capacity reservoirs to provide instantaneous power for bass peaks. --- ### Understanding the Part Number (General Breakdown) | Segment | Meaning | | :--- | :--- | | **47** | Likely refers to the base capacitance value (47). | | **LPQ** | Series code (Large Plastic/Profile Quench or Low Profile). | | **52** | Case size or voltage code (Specific to manufacturer catalog). | | **YR** | Specific package/terminal style (e.g., Snap-in pins). | | **-R** | RoHS Compliant / Lead-Free. |