Samsung Electro-Mechanics CL10B751KB8NNNC

Introduction to CL10B751KB8NNNC Multilayer Ceramic Capacitor

The CL10B751KB8NNNC is a surface-mount multilayer ceramic capacitor (MLCC) manufactured by Samsung Electro-Mechanics, featuring a capacitance value of 750 picofarads (pF), a rated voltage of 50V, X7R temperature characteristic, and the popular 0603 (1608 metric) package. This model is part of Samsung’s broad lineup of general-purpose and reliability-focused MLCCs, engineered for wide applicability in noise suppression, coupling, and decoupling circuits. Its compact form factor and RoHS3 compliance make it ideal for modern, high-density electronic assemblies across consumer, industrial, and communications platforms.

Main technical details and identification of CL10B751KB8NNNC

The CL10B751KB8NNNC offers a nominal 750pF capacitance with a ±10% tolerance. Its X7R dielectric provides stable electrical performance across a wide temperature range (−55°C to +125°C) with a maximum capacitance change of ±15%. The 0603 (1.6 x 0.8mm) size delivers a balance between board real estate efficiency and ease of SMT handling.

Decoding the part number:

CL: Multilayer Ceramic Capacitor series

10: Case size (0603/1608 metric)

B: X7R dielectric

751: Capacitance value (750pF)

K: Tolerance (±10%)

B: Rated voltage (50V)

8NNNC: Internal and packaging codes, defining electrode type and packaging specification

This model's rated voltage makes it well-suited for general signal line filtering, power supply smoothing, and driver or interface line bypassing in low-voltage systems.

Structure, constituent materials, and reliability standards of CL10B751KB8NNNC

The construction of the CL10B751KB8NNNC consists of a ceramic body with alternating layers of ceramic dielectric and nickel electrode, terminated with copper and plated with tin for soldering reliability. Samsung’s process yields tight control over dimensions and electrical parameters, ensuring fit and function in automated assembly.

Reliability options within the CL series include:

Standard: For general consumer and commercial applications.

High Level I: Enhanced moisture and bending robustness for industrial and mission-critical uses.

High Level II: Reinforced performance for high-temperature/humidity outdoor or infrastructure environments.

The standard type, as represented by CL10B751KB8NNNC, is optimized for mainstream volume manufacturing.

Performance overview electrical and mechanical attributes of CL10B751KB8NNNC

The X7R dielectric ensures the CL10B751KB8NNNC provides stable capacitance under temperature fluctuations, suitable for environments with varying thermal profiles. The part features strong DC bias performance and low leakage typical of class II MLCCs.

Typical values and characteristics:

Dielectric: X7R (Class II)

Capacitance: 750pF

Rated voltage: 50V DC

Capacitance tolerance: ±10%

Temperature range: −55°C to +125°C (±15% capacitance deviation)

Dissipation factor (DF): Specified per class II, optimized for signal and power integrity applications

Insulation resistance: High, supporting low leakage requirements

The mechanical robustness of the 0603 package is sufficient for high-speed automated placement and reflow exposures.

Specialized types in the CL10B751KB8NNNC MLCC series

While the base CL10B751KB8NNNC unit serves as a standard type, Samsung offers specialized CL series MLCCs with enhancements tailored to application stress factors:

High Bending Strength: For assemblies exposed to board flexing or vibration (e.g., automotive, industrial power modules)

Low Acoustic Noise: Mitigates piezoelectric-induced audible noise in audio and display circuits

Low ESL: For high-speed, low-inductance power delivery, such as in processor decoupling

Land Side Capacitor (LSC): For ultra-thin designs, attachable between solder balls for height-critical modules

Molded Frame Capacitor (MFC): For extreme mechanical strength under high solder cycling and moisture challenges

Application areas and use cases for CL10B751KB8NNNC

The CL10B751KB8NNNC is deployed extensively in:

Mobile devices (smartphones, tablets, wearables): Power line filtering, decoupling for ICs/PMICs

Personal computing (laptops, PCs, SSDs): Bypass applications for memory and processor modules, EMI suppression

Displays and gaming consoles: Noise filtering on power and signal rails

DC-DC converters and power management: Input/output filtering to reduce ripple and impedance

Network equipment and base stations: Noise suppression in FPGA, DSP, and high-reliability signal chains

Industrial controls (PLCs, converters): Smoothing and protection of sensitive analog and digital lines

Reliability assessment and environmental suitability of CL10B751KB8NNNC

This model is fully RoHS3 compliant and “REACH unaffected,” confirming suitability in global and eco-sensitive markets. The moisture sensitivity level (MSL 1, unlimited floor life) permits standard SMT processing and inventory storage. For high-reliability applications, Samsung’s extended reliability variants offer enhanced endurance against humidity, mechanical shock, and temperature cycling as described in respective level designations.

Guidelines for design, installation, and handling of CL10B751KB8NNNC

Selection and deployment of the CL10B751KB8NNNC should consider the following:

PCB Land Pattern: Use recommended dimensions for consistent solder fillet and stress distribution.

Derating: Operating voltage should not exceed rated, with further derating advisable in high-stress (thermal, humidity, or pulse) scenarios.

Mechanical Placement: Avoid excessive pick-and-place pressure (>300gf) and bending during/depop after mounting, especially near cutouts and screw holes.

Reflow soldering: Follow recommended profiles (three cycles max, gradual cooling) to prevent cracking caused by thermal gradients.

Cleaning/Flux: Use low-halogen, non-acidic flux; avoid strong ultrasonic cleaning to prevent microcracks.

Instructions for packaging and storage of CL10B751KB8NNNC

CL10B751KB8NNNC units are available in various carrier tape (cardboard and embossed) and reel sizes. Storage recommendations are:

Temperature: 0 to 40°C

Humidity: Below 70% RH

Recommended shelf life: Less than 6 months post-delivery; solderability should be checked if storing longer

Protection from corrosive atmospheres, direct sunlight, and mechanical shocks

Box packaging ensures damage-free transportation, with clear lot traceability and part detail labeling to streamline stockroom and SMT operations.

Precautions and specific usage notes for CL10B751KB8NNNC

Engineers should account for class II MLCC characteristics:

Capacitance drift with time (aging) and applied DC/AC bias

Piezoelectric noise under AC signals in audio/precision circuits

Solder process parameters to prevent microcracking

Allow margin for environmental factors in applications prone to voltage surges or thermal extremes

Avoid using in safety-critical or high-reliability equipment (e.g., aerospace, medical, automotive) without consulting Samsung for specific application approval

Alternative or substitute models compatible with CL10B751KB8NNNC

When substituting or cross-referencing the CL10B751KB8NNNC, ensure close matching on:

Capacitance (750pF)

Rated voltage (50V)

Dielectric (X7R, Class II)

Size (0603 / 1608 metric)

Environmental certifications (RoHS3, REACH)

Potential equivalent MLCCs include:

Other Samsung CL10 series MLCCs with the same denomination, different reliability grades depending on application requirements

Yageo CC0603KRX7R9BB751

Murata GRM188R71H751KA01

TDK C1608X7R1H751K080AA

It is critical to confirm DC bias behavior, ESR, and other application-specific performance metrics before fully replacing the part.

Conclusion

The Samsung Electro-Mechanics CL10B751KB8NNNC stands out as a versatile, reliable MLCC solution for compact designs requiring robust 750pF, 50V X7R performance in a 0603 package. With a well-documented construction standard and global environmental compliance, it is optimized for large-scale, automated SMT environments yet flexible for use in specialized, ruggedized systems with the appropriate variant selection. Application engineers and sourcing professionals will benefit from understanding its characteristics, reliability options, and best-practice handling and mounting instructions to maximize lifetime performance and minimize board-level risks. When considering alternatives, always perform due diligence on electrical equivalency and operating condition suitability before substituting the CL10B751KB8NNNC in your design.