The component identified as VLCF5020T-4R7N1R7/MLPS-5020-4R7M is a power inductor manufactured by TDK Corporation (or potentially a compatible component from another manufacturer, as suggested by the 'MLPS' prefix). This component is designed for use in power supply circuits within various electronic devices. Given the 'VLCF' prefix, it likely belongs to a series known for compact size and shielded construction, which is beneficial for minimizing electromagnetic interference (EMI).
Applications:
- DC-DC converters
- Power supplies for portable devices
- Voltage regulators in electronic circuits
- Noise filtering in power lines
Features:
- Compact size: likely around 5.0 x 5.0 x 2.0 mm (based on VLCF5020T designation)
- Inductance: 4.7 μH (indicated by 4R7)
- High current handling capability
- Shielded construction for reduced EMI
- Low DC resistance (DCR)
Benefits:
- Space-saving design for compact applications.
- Efficient power conversion due to low DCR.
- Reduced electromagnetic interference (EMI) due to shielded construction.
- Stable inductance over a wide temperature range.
- Reliable performance in demanding environments.
Technical Specifications (Estimated):
- Inductance: 4.7 μH ±30% (estimated)
- DC Resistance (DCR): 0.05 - 0.15 Ω (estimated range based on similar TDK inductors)
- Rated Current: 1.5 - 2.0 A (estimated range based on similar TDK inductors)
- Saturation Current: 2.0 - 3.0 A (estimated range based on similar TDK inductors)
- Operating Temperature Range: -40°C to +125°C (including self-temperature rise)
- Self-Resonant Frequency (SRF): 40-60 MHz (estimated range)
The VLCF5020T-4R7N1R7/MLPS-5020-4R7M inductor, with its shielded structure, minimizes electromagnetic interference, making it suitable for use in sensitive electronic equipment. Its compact size makes it a good choice for portable and space-constrained applications. The low DC resistance contributes to efficient power conversion. The presence of 'MLPS-5020-4R7M' suggests it could be a second-sourced or compatible part from another manufacturer, potentially offering similar characteristics and performance.
For precise specifications and application guidelines, it's crucial to consult the manufacturer's datasheet (TDK or the 'MLPS' manufacturer if it's not a direct TDK part). The datasheet will provide the most accurate information regarding inductance tolerance, DC resistance, rated current, saturation current, and other critical parameters. Proper circuit design and component selection are essential to ensure optimal performance and reliability.