The CD12-E2GA222MYHSA(L=4.5) is a wire-wound chip inductor manufactured by TDK Corporation. It is designed for power circuits and features high current handling capabilities and low DC resistance.

Applications:

• DC-DC converters: Used for energy storage and filtering in power supplies.
• Power amplifiers: Matching impedance and filtering signals.
• EMI filtering: Suppressing electromagnetic interference.
• RF circuits: Tuning and impedance matching.
• Mobile devices: Power management and filtering in smartphones and tablets.

Features:

• Wire-wound construction: Provides high inductance and high Q-factor.
• Shielded structure: Reduces electromagnetic interference.
• High current handling: Capable of carrying large currents without saturation.
• Low DC resistance: Minimizes power loss.
• Surface mount technology (SMT): Designed for automated assembly on PCBs.

Benefits:

• Improved power efficiency: Low DC resistance reduces power losses.
• Reduced EMI: Shielded structure minimizes electromagnetic interference.
• Increased circuit performance: High inductance and Q-factor enhance circuit performance.
• Reduced assembly costs: SMT enables automated assembly, lowering manufacturing expenses.

Additional Details:

The CD12-E2GA222MYHSA(L=4.5) has an inductance value of 2.2uH. The 'M' indicates a tolerance of ±20%. The 'YHSA' are internal codes from TDK. The 'L=4.5' Likely refers to the length of the device in mm. It is designed for reflow soldering. This inductor is used in many power management circuits due to its favorable balance of size, inductance, current handling, and low DC resistance. Refer to the manufacturer's datasheet for detailed specifications, including inductance tolerance, Q-factor, self-resonant frequency, rated current, and package dimensions.