The VLCF5045T-6R8M is a wire-wound inductor from TDK Corporation, designed for power supply circuits and other applications requiring efficient energy storage. Part of the VLCF series, it's known for its compact size and shielded construction, minimizing electromagnetic interference. The '6R8M' indicates an inductance of 6.8 μH with a tolerance of ±20%.

Applications:

• DC-DC converters
• Power supplies for various electronic devices
• Noise filtering in power lines
• Voltage regulation circuits

Features:

• Compact size: 5.0 x 5.0 x 4.5 mm (estimated based on VLCF5045T designation)
• Inductance: 6.8 μH
• High rated current handling capability
• Shielded construction
• Low DC resistance (DCR)

Benefits:

• Space-saving design allows for integration into compact devices.
• Efficient power conversion and reduced energy losses.
• Minimized EMI improves the stability of nearby circuits.
• Reliable performance across a range of operating temperatures.
• Long operational lifespan.

Technical Specifications (Estimated):

• Inductance: 6.8 μH ±20%
• DC Resistance (DCR): Likely in the range of 0.03 - 0.07 Ω (estimated)
• Rated Current: Likely in the range of 2.5 - 4.0 A (estimated)
• Saturation Current: Likely in the range of 3.5 - 5.0 A (estimated)
• Operating Temperature Range: -40°C to +125°C (including self-temperature rise)
• Self-Resonant Frequency (SRF): Likely in the range of 50-70 MHz (estimated)

The VLCF5045T-6R8M inductor benefits from a shielded construction, which reduces electromagnetic interference and ensures reliable operation in close proximity to other components. The low DC resistance minimizes power losses, contributing to improved efficiency in power supply circuits. The high rated current ensures that the inductor can handle demanding load conditions. Being RoHS compliant, it is also environmentally friendly.

For the most accurate specifications and application guidelines, refer to the official TDK datasheet for the VLCF5045T-6R8M. Proper circuit design and component selection are essential for ensuring the inductor operates within its specified limits and delivers optimal performance in its intended application. Consulting the datasheet will allow for informed design choices and help to maximize the inductor's lifespan.