The 0402B104K250NT is a multilayer ceramic capacitor (MLCC) manufactured by Knowles Novacap. MLCCs are widely used in electronic circuits for various functions, including decoupling, bypassing, filtering, and tuning.

Applications:

• Mobile Phones: Used for decoupling power supplies and filtering signals.
• Wireless Communication Devices: Employed in RF circuits for impedance matching and filtering.
• Computers and Laptops: Used for decoupling and bypassing in various circuits.
• Industrial Equipment: Used in control systems and power supplies for filtering and stabilization.
• Medical Devices: Used in sensitive circuits requiring high reliability and stability.

Features:

• Small Size: 0402 package size (0.04 inch x 0.02 inch) for high-density circuit board designs.
• High Capacitance Value: 100nF (0.1µF) capacitance.
• Voltage Rating: 25V voltage rating.
• Temperature Coefficient: NP0/COG dielectric, offering stable capacitance over a wide temperature range.
• Surface Mount Technology (SMT): Designed for automated assembly on PCBs.

Benefits:

• Stable Performance: NP0/COG dielectric ensures minimal capacitance change with temperature and voltage variations.
• Compact Design: Small size allows for high-density board designs.
• Reliable Operation: Ceramic construction provides high reliability and long life.
• Low ESR (Equivalent Series Resistance): Minimizes power losses and improves circuit efficiency.
• Wide Availability: Readily available from distributors worldwide.

Additional Details:

The 0402B104K250NT capacitor features a nickel barrier termination with tin plating, providing excellent solderability. The NP0/COG dielectric material is a Class 1 ceramic, known for its high stability and low losses. The capacitor is suitable for applications requiring tight tolerances and stable performance over a wide temperature range. It is commonly used in high-frequency circuits due to its low ESR and ESL (Equivalent Series Inductance). The “K” in the part number indicates a capacitance tolerance of ±10%.

For detailed specifications, refer to the Knowles Novacap datasheet. This will include information regarding the operating temperature range, insulation resistance, dissipation factor, and other relevant parameters.