The VLP6812T-220MR85-1 is a wire-wound power inductor manufactured by TDK Corporation, designed for DC-DC converters and power management circuits where a balance of high inductance and compact size is required.

Applications

• DC-DC converters in portable devices
• Power supplies for SSDs and HDDs
• Voltage regulators in wearable devices
• Point-of-Load (POL) converters
• Power management systems in IoT devices

Features

• Compact Size: Dimensions of 6.8 x 6.5 x 1.2 mm.
• Inductance: 22 µH.
• Shielded Construction: Reduces electromagnetic interference (EMI).
• Low DC Resistance (DCR): Improves efficiency and reduces power loss.
• Operating Temperature: -40°C to +85°C (check datasheet for precise range).
• RoHS Compliant: Environmentally friendly, lead-free.

Benefits

• High Efficiency: Low DCR minimizes resistive losses for cooler and more efficient operation.
• Reduced EMI: Shielded design minimizes noise affecting surrounding circuitry.
• Space Saving: Small size enables denser board layouts in compact devices.
• Stable Performance: Reliable operation across a broad temperature range.
• Easy Assembly: Surface mount technology (SMT) compatible.

Additional Details

The VLP6812T-220MR85-1 inductor uses a ferrite core material to achieve its inductance value while maintaining low core losses. The shielded construction involves a magnetic resin encapsulating the coil, containing the magnetic field. The 'R85-1' may indicate a specific tolerance or refined electrical characteristics. Always consult the datasheet for detailed specifications and performance characteristics.

Specific Electrical Characteristics:

• Inductance: 22 µH (measured at a specific frequency, typically 100 kHz or 1 MHz)
• DC Resistance (DCR): Consult the datasheet for the exact value.
• Saturation Current (Isat): Determine from the datasheet.
• Rated Current (Irms): Refer to the datasheet for thermal current rating.