Based on electronic component specifications and standard industry nomenclature, the **KMMLS-CCA-R** refers to a high-performance **aluminum electrolytic capacitor** typically manufactured by United Chemi-Con (Nippon Chemi-Con). Below is a detailed breakdown of the electronic parts and specifications associated with this series. --- ## 1. Component Identification The part number is a coded string representing the physical and electrical characteristics of the device. | Segment | Meaning | Description | | :--- | :--- | :--- | | **KMM** | Series Name | Snap-in type aluminum electrolytic capacitor, 105°C rated. | | **LS** | Terminal Style | Standard snap-in terminals (usually 2-pin). | | **CCA** | Case Code | Represents the Diameter and Length (e.g., 35mm x 50mm). | | **R** | RoHS Compliance | Indicates compliance with lead-free/hazardous substance regulations. | --- ## 2. Technical Specifications The KMM series is designed for power supply filtering and smoothing applications. ### Electrical Characteristics * **Operating Temperature Range:** -25°C to +105°C. * **Rated Voltage Range:** Typically 160V to 450V DC. * **Capacitance Tolerance:** ±20% (Standard). * **Leakage Current:** $I = 3\sqrt{CV}$ (after 5 minutes), where C is capacitance and V is voltage. * **Endurance:** 3,000 hours at 105°C (equivalent to much longer life at room temperature). ### Physical Construction * **Electrolyte:** Liquid organic solvent impregnated in paper. * **Anode/Cathode:** High-purity etched aluminum foils. * **Sleeve:** PET (Polyethylene Terephthalate) or PVC insulation. --- ## 3. Application Use Cases Due to its high voltage rating and "snap-in" mounting style, this part is commonly found in: 1. **Switching Power Supplies (SMPS):** Used as the primary bulk capacitor for rectified AC input. 2. **Uninterruptible Power Supplies (UPS):** Energy storage for battery-to-AC conversion. 3. **Variable Frequency Drives (VFD):** Filtering the DC bus for motor control. 4. **Solar Inverters:** Handling high ripple currents in DC-AC conversion stages. --- ## 4. Safety and Mounting * **Pressure Relief Vent:** The top or side of the case includes a scored "vent" that opens safely if internal pressure builds up due to overheating or reverse polarity. * **Snap-in Mounting:** The terminals are designed to "snap" into a PCB, holding the component in place during the soldering process. ---