The DO3340H-104KLD is a high-current shielded power inductor manufactured by Coilcraft. It's specifically designed for applications requiring robust performance, high efficiency, and minimal electromagnetic interference (EMI). The inductor's construction and materials are optimized for demanding power conversion circuits.

Applications

• DC-DC converters: Particularly well-suited for high-current buck converters and boost converters.
• Power supplies for FPGAs and ASICs: Provides stable and efficient power delivery to sensitive digital components.
• LED drivers: Used in high-brightness LED lighting applications.
• Automotive electronics: Applicable in automotive power systems where reliability and robustness are paramount.
• Battery-powered devices: Extends battery life through efficient power conversion.

Features

• Shielded construction: Effectively minimizes EMI radiation.
• High saturation current: Withstands large DC currents without significant inductance drop.
• Low DC resistance (DCR): Reduces power losses and improves overall converter efficiency.
• Compact size: Allows for space-saving designs in densely populated PCBs.
• RoHS compliant: Meets environmental regulations regarding hazardous substances.

Benefits

• Reduced EMI: Shielding minimizes interference with surrounding circuitry, improving system performance.
• High efficiency: Low DCR minimizes power dissipation, leading to cooler operation and longer component life.
• Robust performance: High saturation current ensures stable operation under high load conditions.
• Space savings: Compact design enables smaller and lighter end products.
• Improved reliability: Rugged construction ensures dependable operation in harsh environments.

Additional Details

The DO3340H-104KLD features an inductance value of 100 µH (104 indicates 10 * 10^4). It exhibits a saturation current of approximately 2.3 Amps, ensuring stable operation under high load conditions. The DC resistance is typically around 0.15 Ohms. The inductor operates effectively within a temperature range of -40°C to +125°C. It is designed for surface mount assembly, simplifying manufacturing processes. Its construction is optimized to minimize core losses, further enhancing efficiency. The component's dimensions are approximately 3.3 mm x 3.3 mm x 4.0 mm, making it suitable for applications where space is constrained. The part number's suffix 'KLD' may denote specific packaging or termination characteristics; consult the manufacturer's datasheet for precise details.

The DO3340H-104KLD is a preferred choice for designers seeking a combination of high performance, reliability, and space efficiency in their power conversion circuits. Its robust construction and optimized electrical characteristics make it suitable for a wide range of demanding applications.