CL21B105KBFNFNE

The CL21B105KBFNFNE is a multilayer ceramic capacitor (MLCC) manufactured by Samsung, representing a reliable passive component widely used in electronic circuit design and assembly. This capacitor belongs to Samsung's CL series family, which is recognized for consistent performance across commercial and industrial applications. Multilayer ceramic capacitors function as energy storage and filtering elements in electrical circuits. They are essential for signal coupling, decoupling, bypassing, and filtering applications where compact size and stable performance are required. The CL21B series specifically is designed for standard application environments where moderate voltage and capacitance values serve the majority of design needs. The part number CL21B105KBFNFNE indicates specific electrical characteristics inherent to this component's designation. The "B" designation in Samsung's naming convention typically refers to the dielectric material class and voltage rating category. The "105" coding represents the capacitance value within Samsung's standard series progression. The "K" letter denotes the tolerance specification for this component's rated value. The "FNFNE" suffix indicates the packaging configuration and termination type—specifically a surface-mount device (SMD) with nickel-barrier termination suitable for automated manufacturing processes and lead-free soldering applications. This capacitor is commonly specified in consumer electronics, industrial control systems, telecommunications equipment, and automotive electronics where space constraints and production efficiency are priorities. Engineers select MLCCs like the CL21B105KBFNFNE for applications requiring board-level integration without significant footprint impact. The component's surface-mount design enables high-density circuit board layouts and supports modern reflow soldering assembly processes. Samsung's CL series capacitors are manufactured to meet international standards for electronic components, ensuring compatibility with industry-standard PCB assembly equipment and thermal profiles. The nickel-barrier termination provides strong adhesion to PCB pads and resistance to corrosion, contributing to long-term reliability in various environmental conditions. Engineers choose the CL21B105KBFNFNE specifically when they require a proven, widely-available capacitor that delivers predictable performance in standard applications. The component's prevalence in inventory across multiple suppliers means design engineers can depend on consistent sourcing and proven field performance data. This part functions effectively as a general-purpose capacitor in power supply filtering, signal conditioning, and timing circuits where the electrical specifications align with design requirements.