The SRP4018FA-1R2M is a shielded power inductor from Bourns Inc. designed for use in DC-DC converters and other power supply applications. The '1R2M' signifies an inductance of 1.2 μH with a tolerance of ±20%.

Applications

• DC-DC converters
• Point-of-Load (POL) regulators
• Power management circuits
• Step-down and step-up converters

Features

• Shielded construction
• Compact size: 4.0 mm x 4.0 mm x 1.8 mm
• Inductance: 1.2 μH
• Tolerance: ±20%
• High saturation current
• Low DC resistance

Benefits

• Reduces electromagnetic interference (EMI) due to the shielded design.
• Provides efficient power conversion with low DC resistance.
• Suitable for applications with limited board space.
• Offers reliable performance in a range of operating conditions.

Additional Details

The SRP4018FA-1R2M inductor is constructed with a shielded design to minimize electromagnetic radiation and uses a ferrite core material. This inductor is designed for surface mount assembly and is RoHS compliant.

Technical Specifications:

• Inductance: 1.2 μH ±20%
• DC Resistance (DCR): 0.009 Ohms (typical)
• Saturation Current (Isat): 5.0 A (current at which the inductance drops by 30%)
• RMS Current (Irms): 4.5 A (current that causes a 40 °C temperature rise from 25 °C ambient)
• Operating Temperature: -40 °C to +125 °C (including self-heating)
• Shielded: Yes
• Termination Finish: Matte Tin over Nickel