Samsung Electro-Mechanics CL21C222JBFNNNG

CL21C222JBFNNNG Ceramic Capacitor from Samsung Electro-Mechanics Product Summary

The CL21C222JBFNNNG is a multilayer ceramic capacitor (MLCC) manufactured by Samsung Electro-Mechanics, renowned for its precision and stability in demanding electronic applications. The device features a nominal capacitance of 2200 pF (2.2 nF) with a tolerance of ±5%, a rated voltage of 50 V, and utilizes C0G/NP0 dielectric for minimal temperature and voltage coefficient. This model is housed in an industry-standard 0805 (2012 metric) surface mount package, making it suitable for compact PCB layouts and automated assembly processes.

Engineers often select C0G/NP0 capacitors such as the CL21C222JBFNNNG for applications requiring high stability of capacitance, excellent frequency response, and negligible aging effects. Typical scenarios include coupling, filtering, precision timing circuits, and RF design, where capacitance linearity and low loss are paramount.

Structure Design and Size Specifications of CL21C222JBFNNNG

The structural integrity and form factor of the CL21C222JBFNNNG are essential for robust performance in surface mount designs. Fabricated as a multilayer chip, the capacitor utilizes a glass epoxy substrate for enhanced mechanical durability. The device measures according to 0805 metrics, fitting seamlessly into standard PCB footprints. Copper foil and solder-resist layers are applied, and termination is optimized for reliable adhesion during reflow soldering processes. Its design enables compatibility with modern pick-and-place equipment and reflow soldering, with a peak recommended temperature of 260°C for 30 seconds.

CL21C222JBFNNNG Performance Metrics and Technical Specifications

The defining performance parameters of the CL21C222JBFNNNG include its precise capacitance, low dissipation factor (tan δ), high insulation resistance, and stable temperature coefficient. Key characteristics are:

Capacitance: 2200 pF ±5%, stable under typical measurement conditions; C0G/NP0 dielectric ensures minimal drift with voltage and temperature.

Dissipation Factor (DF): Extremely low, making it ideal for high-frequency, low-loss applications. The quality factor (Q) is correspondingly high.

Insulation Resistance: Ceramic materials guarantee low leakage currents; insulation resistance measurements should be taken one minute after applying rated DC voltage.

Temperature Coefficient: C0G/NP0 dielectric class ensures a near-zero temperature coefficient, with capacitance remaining stable from -55°C to +125°C.

Aging: Negligible for C0G dielectric, ensuring extremely reliable capacitance value over time.

For measurement accuracy, engineers are advised to use equipment with auto-level control (ALC), verify voltage settings, and consider dielectrics’ response at both AC and DC bias conditions.

Reliability Assessment and Suggested Test Procedures for CL21C222JBFNNNG

Samsung Electro-Mechanics subjects the CL21C222JBFNNNG to thorough reliability testing to ensure performance consistency under diverse operating conditions. Testing includes thermal cycling, humidity exposure, and mechanical stress assessments. Bending and adhesive strength verification, typically performed on glass epoxy substrates (standard thickness: 1.6 mm), confirms the device’s robustness against PCB deformation during assembly and operation.

Accelerated stress tests may be substituted for standard reliability measures. The recommended test PCBs utilize copper foils and lead-free solder paste (e.g., SAC305) to reflect typical reflow and flow soldering environments. It is crucial that the surface temperature after soldering, including self-heating effects, stays within the specified operating range and never exceeds the maximum rating. Derating guidelines should be followed for voltage and temperature to optimize long-term reliability.

Soldering Guidelines, Mounting Steps, and Handling Instructions for CL21C222JBFNNNG

Successful deployment of the CL21C222JBFNNNG requires attention to soldering and mounting processes. The recommended method is reflow soldering, with a peak temperature of 260°C for up to 30 seconds. Engineers should observe preheating protocols to minimize thermal shock and mechanical stress, particularly for ultra-small or high-capacitance MLCCs.

When using pick-and-place machines, nozzle pressure should not exceed 300 g.f to prevent cracks. PCBs should be supported to avoid bending during component insertion and mounting, especially near cutouts or screw holes. After soldering, natural air cooling is advised.

Proper land pattern design for surface mount footprints is essential to distribute mechanical stresses evenly and maintain adhesive strength. Solder paste should be applied uniformly; excess or insufficient solder can result in cracking or weak bonds. Manual soldering should be performed with strict temperature and contact time controls and appropriate preheating, while spot heaters may reduce local thermal stress.

Post-assembly, cleaning methods should be carefully controlled; strong ultrasonic cleaning may induce cracking, especially with high-pressure cleaning. Engineers should also ensure careful handling during PCB cropping, connector insertion/removal, and when mounting other components to prevent stress-induced failures.

Packaging Methods, Storage Requirements, and Shipping Instructions for CL21C222JBFNNNG

The CL21C222JBFNNNG capacitors are available in reel and box packaging tailored for automated assembly lines. Packaging adheres to IEC 60286-3 standards and includes detailed labelling: chip size, temperature characteristics, nominal capacitance, model name, lot/reel numbers, and quantities.

For long-term reliability, capacitors should be stored at 0–40°C and 0–70% RH. Humidity above 70% accelerates oxidation and degrades solderability. The standard shelf life is six months; for longer storage, solderability should be verified prior to assembly. Corrosive environments and gases must be avoided to preserve the integrity of the ceramic and termination layers.

During transportation, protect packaged capacitors from vibration, shock, excessive temperature, and humidity. Damage sustained during transit (e.g., cracked ceramic bodies) can cause insulation breakdown or short-circuit in operation, so careful handling is imperative.

Usage Restrictions and Safety Precautions for CL21C222JBFNNNG

While the CL21C222JBFNNNG provides excellent performance in general-purpose electronics, it is not recommended for certain mission-critical sectors such as aerospace, automotive, military, atomic energy, or deep underwater applications due to the stringent reliability demands. For professional and industrial use cases—such as medical, disaster prevention, power plants, and data-processing equipment—consultation with the manufacturer is necessary to assess specific reliability requirements and to safeguard system integrity.

In circuit design, MLCCs are susceptible to failure by electrical overstress (EOS), surge, or electrostatic discharge (ESD), potentially leading to insulation breakdown. Protective elements like fuses should be integrated as safety measures. Additionally, MLCCs can experience piezoelectric noise when subjected to mechanical vibration or AC signals in Class II dielectrics, though this effect is negligible in the C0G/NP0 version.

Alternative or Substitute Models for CL21C222JBFNNNG

Engineers sourcing alternatives to the CL21C222JBFNNNG should seek MLCCs with similar electrical and physical characteristics: 2200 pF capacitance, ±5% tolerance, 50 V rating, C0G/NP0 dielectric, and 0805 SMD footprint. Equivalent options could be found within Samsung Electro-Mechanics’ own product lines or among other leading MLCC manufacturers. When selecting replacements, confirm compatibility regarding capacitance stability, temperature coefficient, and mounting process requirements to ensure seamless performance.

Conclusion

The Samsung Electro-Mechanics CL21C222JBFNNNG MLCC stands as a robust choice for precision electronic designs requiring low-loss, high-stability capacitance. Its advanced multilayer structure, reliable surface mount format, and stringent reliability testing make it suitable for a wide array of general electronics applications. For engineers and procurement professionals, understanding its detailed performance data, handling protocols, and application guidelines is essential to achieving optimal circuit performance and long-term device dependability. When considering substitutions or designing for specialized applications, verify critical characteristics to maintain system integrity and reliability.