The CM0402-7N3G-N is a chip inductor manufactured by Chilisin. It belongs to the CM series of inductors, known for their small size and suitability for high-frequency applications. The '0402' designation indicates its compact dimensions, making it ideal for use in densely populated circuit boards. The inductor is designed to provide stable inductance and high self-resonant frequency (SRF) in a miniature form factor.

Applications:

• RF circuits in mobile devices (smartphones, tablets)
• Wireless communication devices (Bluetooth, WLAN)
• Matching networks for RF amplifiers and antennas
• Filters for noise suppression in high-frequency circuits
• GPS devices
• Wearable electronics

Features:

• Small 0402 Case Size: Ultra-compact dimensions for high-density PCB layouts.
• High Q Factor: Provides minimal signal loss, improving circuit efficiency.
• High SRF: Ensures stable performance at high operating frequencies.
• Tight Inductance Tolerance: Accurate inductance values for reliable circuit operation.
• Surface Mount Technology (SMT): Designed for automated assembly.
• Nickel Barrier Termination: Provides excellent solderability and resistance to soldering heat.

Benefits:

• Reduced PCB Space: Small size allows for higher component density and miniaturization of electronic devices.
• Improved Circuit Performance: High Q factor minimizes signal loss, leading to better overall circuit performance.
• Enhanced Reliability: Robust construction and precise manufacturing ensure reliable operation in demanding environments.
• Simplified Assembly: SMT design allows for automated placement and soldering.
• Stable Performance: High SRF ensures stable performance across a wide range of frequencies.
• Optimal Impedance Matching: Enables precise impedance matching in RF circuits.

Additional Details:

The CM0402-7N3G-N typically has an inductance value of 7.3nH with a tolerance of around ±2%. It exhibits a high self-resonant frequency (SRF) typically in the GHz range. The operating temperature range is generally between -40°C to +85°C. These inductors are typically supplied on tape and reel for automated assembly. They are constructed using ceramic materials and precision manufacturing techniques to ensure stable and reliable performance in high-frequency applications.