CL21B104KBCNFNC

The CL21B104KBCNFNC is a multilayer ceramic capacitor (MLCC) manufactured by Samsung, designed for general-purpose electronic applications across industrial, consumer, and commercial equipment. This component belongs to the CL21 series, which represents a standard through-hole or surface-mount capacitor family commonly found in mainstream electronic designs. Multilayer ceramic capacitors like this model function as energy storage and filtering components in circuits. They are used to smooth voltage fluctuations, filter high-frequency noise, provide charge storage for power supply circuits, and stabilize signal paths in analog and digital electronics. The ceramic dielectric material provides reliable performance across a wide range of operating conditions while maintaining compact physical dimensions. The CL21B designation indicates this capacitor is designed for general industrial and commercial applications where reliable, cost-effective performance is prioritized. Samsung's CL21 series is recognized for consistent quality and availability, making it a dependable choice for equipment manufacturers and circuit designers who need predictable component behavior and long-term supply security. Engineers typically specify this exact part number when replacement or continued production of existing equipment requires matching the original component specification. The part's established presence in legacy designs, combined with Samsung's broad manufacturing capacity, makes it suitable for repair, refurbishment, and production continuation scenarios. Additionally, the CL21B series offers the balance of performance and economy appropriate for mass-produced industrial equipment, consumer electronics, and professional instrumentation where premium performance is not required but reliability is essential. The through-hole or surface-mount configuration of the CL21 family provides design flexibility, allowing integration into various PCB layouts and assembly processes. Its proven track record across diverse applications makes it a standard reference point for circuit designers comparing alternatives. When evaluating this component against other options, engineers consider compatibility with existing board designs, proven field reliability data from similar applications, and the availability maintained by major distributors. This capacitor is commonly encountered in power supply circuits, audio frequency filtering, signal coupling applications, and timing circuits throughout industrial automation, telecommunications infrastructure, HVAC systems, and general consumer electronics. Its acceptance in these established application areas reflects the component's suitability for non-critical filtering and energy storage roles where operating margins are adequate and long-term availability supports customer support and field service requirements.