The SRP6540-1R5M is a shielded power inductor manufactured by Bourns Inc. It is designed for use in a variety of power supply applications, particularly those requiring high efficiency and low electromagnetic interference (EMI). Its robust construction and electrical characteristics make it a reliable choice for demanding environments.

Applications

• DC-DC converters
• Voltage regulators
• Power amplifiers
• Filtering circuits
• Portable devices

Features

• Shielded construction
• High saturation current
• Low DC resistance
• Compact size
• Operating temperature: -40°C to +125°C

Benefits

• Reduced EMI, minimizing interference with nearby components
• Efficient power conversion due to low DCR, minimizing power losses
• Stable operation in high-current applications due to high saturation current
• Space-saving design for compact devices
• Reliable performance in extreme temperature conditions

Additional Details

The SRP6540-1R5M features a magnetic shielded construction which minimizes EMI and provides excellent electrical characteristics. The '1R5' in the part number indicates an inductance value of 1.5µH, with 'M' denoting a tolerance of ±20%. The inductor's low DC resistance helps to reduce power losses, improving overall efficiency in power supply circuits. The high saturation current ensures stable inductance even at peak currents. It's designed to operate reliably within a temperature range of -40°C to +125°C, making it suitable for use in a wide range of applications.

Technical Specifications:

• Inductance: 1.5 µH
• Tolerance: ±20%
• Saturation Current: [Varies with temperature, check datasheet]
• DC Resistance (DCR): Low (typically in the mΩ range)
• Shielding: Yes
• Operating Temperature: -40°C to +125°C
• Package Size: 6.5mm x 6.5mm x 4.0mm

The SRP6540 series inductors from Bourns are designed for demanding applications requiring a balance of size, performance, and reliability. This specific inductor is used commonly in applications where space is limited, and high efficiency is crucial. Shielded inductors are preferred to minimize the impact of EMI on surrounding circuits and components, which is a key design consideration in sensitive electronic systems.