Samsung Electro-Mechanics CL21C222JEFNNNE

Summary of CL21C222JEFNNNE by Samsung Electro-Mechanics

The Samsung Electro-Mechanics CL21C222JEFNNNE is a multilayer ceramic capacitor (MLCC) designed for advanced electronic circuits demanding tight capacitance tolerances and high reliability. As part of Samsung’s CL21 series, this capacitor provides a capacitance of 2200 pF with a ±5% tolerance, rated for 250V, and utilizes the C0G/NP0 dielectric, which ensures stable performance over temperature and applied voltage. Packaged in a common 0805 (2012 Metric) SMD footprint, the CL21C222JEFNNNE is well-suited for automated assembly processes across consumer, industrial, and communications sectors.

Structure and Technical Details of CL21C222JEFNNNE

The CL21C222JEFNNNE features a multilayer ceramic body with nickel/copper internal electrodes and nickel-tin plated terminations to provide both excellent electrical conductivity and solderability. The C0G/NP0 dielectric is a Class I ceramic known for its superior temperature stability (0±30 ppm/°C up to 125°C) and ultra-low losses (high Q/low dissipation factor), making the CL21C222JEFNNNE the preferred choice for circuits requiring precise frequency response, coupling/decoupling, or timing accuracy.

Key specifications:

Capacitance: 2200 pF

Tolerance: ±5%

Rated voltage: 250V DC

Packaging: 0805 SMD (2012 metric)

Dielectric: C0G/NP0 (Class I)

RoHS3 Compliant; REACH unaffected

The part’s construction allows for robust mounting and high-speed SMT compatibility, ensuring efficient large-scale production.

Reliability Standards and Environmental Certifications for CL21C222JEFNNNE

The CL21C222JEFNNNE can be selected in multiple reliability grades:

Standard: For general-purpose applications, offering broad capacitance and size options.

High Level I: Enhanced performance under 65°C/90%RH, 500 hours at 1Vr.

High Level II: Reinforced reliability at 85°C/85%RH, 1000 hours at 1Vr, suitable for demanding or outdoor environments.

All variants are RoHS/REACH compliant and classified as moisture sensitivity level (MSL) 1 (unlimited), which simplifies logistic and stocking processes.

Variants in the CL21 Series Featuring CL21C222JEFNNNE

Beyond the standard form, the CL21C222JEFNNNE series and its relatives offer:

Molded Frame Capacitors (MFC): Enhanced resistance to thermal/mechanical stress, suited for power and DC-DC converter applications.

Land Side Capacitors (LSC): Optimized for thin device and module integration, minimizing module thickness and improving current delivery to mobile high-speed processors.

High Bending Strength Versions: Increased resilience to mechanical stresses such as board bending, especially vital in automotive, industrial, and power electronics.

Low Acoustic Noise and Low ESL Variants: Address piezoelectric noise and EMI, ideal for sensitive analog circuitry or high-speed digital systems.

Use Cases for CL21C222JEFNNNE in Contemporary Electronic Devices

Thanks to its performance profile, the CL21C222JEFNNNE is utilized in numerous scenarios:

Consumer electronics: Smart phones, tablets, laptops; providing stable decoupling for PMICs, SoCs, RF modules.

Infrastructure and industrial: Servers, network base stations, solar inverters, DC-DC converters; supporting reliable power delivery and noise filtering over wide environmental conditions.

Automotive and power: Offers options with specialized high-reliability or high-mechanical-strength features.

The stable performance of the C0G/NP0 dielectric makes these capacitors invaluable where capacitance change with temperature, voltage, or time is unacceptable—such as clock circuits, filters, and sensitive analog front-ends.

Important Electrical and Mechanical Factors for Integrating CL21C222JEFNNNE

When specifying the CL21C222JEFNNNE, engineers should account for:

Capacitance and frequency measurement: Ensure compliance with measurement standards (EIA RS-198-1-F-2002) and use ALC-enabled LCR meters for accuracy.

ESR/Q factor: Class I C0G capacitors provide minimal loss and are ideal for high-Q applications.

Insulation resistance: Provides excellent insulation, but measurements should take settling time into account.

Mounting/soldering: Follow guidelines to minimize thermal/mechanical stress during SMT, reflow, or wave soldering. Excess solder, heating, or mechanical flexing may introduce cracks or reliability issues.

Voltage derating: For critical reliability or harsh environments, select a voltage rating with appropriate derating margin, especially in high temperature or high humidity settings.

Self-heating and ripple current: Consider local temperature rise under AC or pulse loading and limit operation within manufacturer-stated bounds.

Board handling and assembly: Avoid flexing or bending PCB post-assembly; follow recommended land patterns and support methods.

Packaging, Storage, and Handling Instructions for CL21C222JEFNNNE

The CL21C222JEFNNNE is supplied in industry-standard paper or plastic tapes compatible with high-speed pick-and-place machines. Designers should adhere to:

Environmental storage: Store at 0–40°C, 0–70% RH, away from corrosive gases; six months’ shelf life is recommended for optimal solderability.

Handling: Use reels whenever possible; avoid direct handling of MLCCs; minimize static and mechanical impact during transport.

Soldering: Control process conditions during reflow, wave, or manual soldering to prevent cracks and losses in electrical/mechanical properties.

Cleaning, coating, and adhesives: Assess compatibility with cleaning agents and adhesives, especially regarding contraction/expansion mismatch and potential for insulation resistance degradation.

Comparable or Alternative Products to CL21C222JEFNNNE

For engineers and purchasers seeking alternatives or planning for dual-sourcing, the following alternatives from Samsung Electro-Mechanics’ portfolio may be relevant:

CL21C222JBFNNNE: Similar 2200pF, 250V, but may differ in tolerance or packaging specifics.

CL21B222JBFNNNE: Utilize when X7R dielectric is acceptable; offers greater capacitance stability at higher temperatures but with increased capacitance variation over operating conditions.

Other major MLCC manufacturers (Murata, TDK, AVX) often offer functionally equivalent parts (e.g., Murata GRM21 series with C0G dielectric); always verify temperature stability, rated voltage, tolerance, and termination compatibility.

Conclusion

The Samsung Electro-Mechanics CL21C222JEFNNNE MLCC offers a robust, stable, and reliable solution for a wide spectrum of electronics applications, particularly where precise capacitance and minimal variation over temperature and voltage are essential. With multiple reliability grades and specialized options within the CL21 lineup, engineers and supply chain professionals can tailor selection to application-specific demands, ensuring both performance and long-term reliability. Proper implementation, storage, and handling as outlined here are critical for maximizing the value and operational life of this high-performance capacitor.