The 1812B105K251CT is a ceramic capacitor manufactured by Walsin Technology Corporation. It is a surface-mount multilayer ceramic capacitor (MLCC) used for various applications where stable capacitance and reliable performance are required.

Applications:

• Bypass Capacitors in electronic circuits
• Decoupling Capacitors for noise reduction in power supplies
• Filtering in signal processing circuits
• Smoothing Capacitors in power supplies
• General-purpose applications in various electronic devices

Features:

• Surface Mount Device (SMD): Designed for automated assembly processes.
• Multilayer Ceramic Capacitor (MLCC): Provides a high capacitance-to-volume ratio.
• High Capacitance Stability: Maintains consistent performance over a wide temperature range.
• Low Equivalent Series Resistance (ESR): Minimizes power loss and enhances circuit efficiency.
• RoHS Compliant: Complies with environmental regulations, ensuring it is free from hazardous substances.

Benefits:

• Improved Circuit Performance: Low ESR reduces power loss, improving the efficiency of electronic circuits.
• Reliable Operation: High capacitance stability ensures consistent performance under varying temperature conditions.
• Space-Saving Design: Compact size allows for high-density circuit designs.
• Cost-Effective Solution: MLCC technology provides a balance between performance and cost.
• Environmentally Friendly: RoHS compliance ensures the product is environmentally safe.

Additional Details:

The 1812B105K251CT has a capacitance value of 1.0µF (microfarad). The voltage rating is 250V. The case size is 1812 (4532 Metric). The temperature coefficient is X7R, indicating a capacitance variation of ±15% over the temperature range of -55°C to +125°C. It's typically used in applications such as power supplies, consumer electronics, and industrial equipment where stable and reliable capacitance is essential.