The DO3316P-223KLD is a shielded power inductor manufactured by Coilcraft. It is designed for use in a variety of power supply and filtering applications. These inductors are known for their robust construction and reliable performance in demanding environments.

Applications

• DC-DC converters: Ideal for step-up, step-down, and inverting converters.
• Power supplies: Used in various types of power supplies, including switching power supplies and linear regulators.
• Filtering: Employed for noise filtering in power lines and signal circuits.
• Voltage regulators: Found in voltage regulation circuits for stable voltage output.
• LED Lighting: Used in LED driver circuits.

Features

• Shielded Construction: Minimizes EMI (Electromagnetic Interference).
• High Current Capacity: Capable of handling substantial current without saturation.
• Small Footprint: Compact design for space-constrained applications.
• Low DCR (DC Resistance): Improves efficiency by reducing power loss.
• RoHS Compliant: Environmentally friendly, compliant with RoHS standards.

Benefits

• Reduced EMI: The shielded construction minimizes electromagnetic interference, ensuring cleaner signal integrity and reducing the risk of interference with nearby circuits.
• High Efficiency: Low DCR minimizes power loss, leading to improved efficiency in power conversion circuits.
• Reliable Performance: Robust design ensures reliable operation in demanding environments, contributing to the overall stability of the system.
• Compact Size: The small footprint allows for use in space-constrained applications, enabling miniaturization of electronic devices.
• Improved Thermal Performance: Efficient heat dissipation allows for higher current handling capabilities.

Specifications

While specific values may vary slightly depending on the exact production batch, general specifications for a DO3316P series inductor are as follows:

• Inductance: 22uH (223 represents 22 x 10^3 picohenries, which equals 22uH)
• Tolerance: Typically ±10% or ±20%
• Saturation Current: Varies but generally ranges from 1.5A to 3A
• RMS Current: Ranges from 1A to 2.5A depending on temperature rise requirements.
• DCR (DC Resistance): Typically a few tens of milliohms (e.g., 0.03 Ohms).
• Operating Temperature: -40°C to +125°C (including self-heating)
• Dimensions: Approximately 3.3mm x 3.3mm x 1.6mm (may vary slightly)

Note: Always refer to the official Coilcraft datasheet for the most accurate and up-to-date specifications for the DO3316P-223KLD inductor.