The 1812CS-103XKBC is a ceramic wirewound chip inductor manufactured by Coilcraft. It is designed for high-frequency applications requiring a high Q factor and excellent self-resonant frequency (SRF). This inductor is commonly used in RF circuits, filters, impedance matching networks, and other high-frequency applications where precise inductance and low losses are critical. Its small size and surface-mount design make it suitable for compact electronic devices.

Applications:

• RF Circuits
• Filters
• Impedance Matching Networks
• Wireless Communication Devices
• High-Frequency Amplifiers

Features:

• High Q Factor: Provides low losses and efficient energy storage.
• High Self-Resonant Frequency (SRF): Enables operation at higher frequencies.
• Ceramic Construction: Offers excellent stability and reliability.
• Wirewound Inductor: Provides precise inductance values.
• Surface Mount Package: Allows for automated assembly and saves space on the PCB.
• Tight Tolerance: Ensures accurate inductance values.

Benefits:

• Improved RF Performance: High Q factor and SRF enhance the performance of RF circuits.
• Precise Inductance: Tight tolerance ensures accurate inductance values for critical applications.
• Stable Operation: Ceramic construction provides stable performance over temperature.
• Compact Solution: Surface mount package saves space and enables smaller product designs.
• Reliable Performance: Wirewound construction provides reliable and consistent performance.

Additional Details:

The 1812CS-103XKBC has an inductance value of 10 µH with a tolerance of ±10%. It has a typical Q factor of around 50 at a specified test frequency. The self-resonant frequency is typically in the MHz range. The operating temperature range is -40°C to +125°C. The package size is 1812 (4.5mm x 3.2mm). It is commonly used in applications where a small size and high performance are required. The inductor is designed to minimize parasitic capacitance and resistance, ensuring optimal performance at high frequencies. The terminals are designed for reliable soldering and easy mounting on PCBs. The RoHS compliant construction ensures environmental compliance.