Overview
The SWPA4012S560MT is a surface-mount power inductor widely used in modern electronics. It belongs to the SWPA series, known for high efficiency and reliability in power management applications. This inductor is designed to handle significant current loads while maintaining stable performance. With its compact 4.0mm x 4.0mm x 1.2mm package, the SWPA4012S560MT offers space-saving solutions for densely populated PCBs. Its 56µH inductance rating makes it particularly suitable for switching power supplies operating in the frequency range of 500kHz to 2MHz.
Structure and Working Principle
The SWPA4012S560MT features a ferrite core wrapped with copper wire, providing excellent magnetic properties and electrical conductivity. The core material is specially formulated to minimize core losses at high frequencies while maintaining high saturation current characteristics. When current flows through the inductor, it stores energy in its magnetic field. This property allows it to smooth out current fluctuations in power circuits, making it essential for DC-DC conversion applications. The open magnetic structure helps reduce electromagnetic interference (EMI) in sensitive circuits.
Key Features
This inductor boasts a current rating of up to 1.2A and DC resistance as low as 0.25Ω, ensuring minimal power loss in operation. The component meets AEC-Q200 Grade 1 qualifications, making it suitable for automotive applications with operating temperatures from -40°C to +125°C. The SWPA4012S560MT features excellent self-resonance characteristics and stable inductance over a wide frequency range. Its construction provides good mechanical strength and vibration resistance, crucial for automotive and industrial environments.
Application Areas
Primary applications include power supplies for networking equipment, servers, and telecom infrastructure. The inductor is also widely used in automotive electronics, particularly in engine control units (ECUs), infotainment systems, and advanced driver assistance systems (ADAS). Industrial applications include motor drives, robotics, and power conditioning systems. The component's reliability makes it suitable for medical equipment and renewable energy systems where consistent performance is critical.
Maintenance and Precautions
When handling the SWPA4012S560MT, avoid mechanical stress that could damage the component or its terminals. Use proper soldering techniques with recommended temperature profiles (typically 260°C maximum for 10 seconds). Store components in their original packaging until use to prevent moisture absorption. For wave soldering applications, ensure the inductor is properly supported to prevent floating or tilting during the process. Avoid exposing the component to sudden temperature changes that could cause thermal shock.
B2B Procurement Guide
When sourcing the SWPA4012S560MT, verify the manufacturer's certification and quality control processes. Request samples for performance testing in your specific application before placing bulk orders. Consider lead times and minimum order quantities (MOQs), which typically range from 1,000 to 10,000 pieces for standard orders. For automotive applications, ensure the supplier can provide full documentation including PPAP and material certifications. Price breaks are commonly available at quantity thresholds.
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