BL01RN1A1D2B – MURATA

Overview

The MURATA BL01RN1A1D2B is a single-line ferrite bead designed for effective EMI suppression in power and signal lines. Its primary function is to attenuate high-frequency noise while minimally impacting the desired signal or DC current, boasting a substantial 7A maximum current rating. A critical design consideration for such components is the trade-off between impedance at target frequencies and DC resistance; while the BL01RN1A1D2B offers a low 20mΩ DCR, designers must carefully select its placement to avoid excessive voltage drop under heavy load conditions, ensuring optimal noise filtering without compromising power delivery efficiency.

Key Features

• Maximum Current Rating: 7A
• Maximum DC Resistance (DCR): 20mΩ
• Operating Temperature Range: -40°C to 85°C
• Number of Lines: 1
• Mounting Type: Through Hole
• Dimensions: 3.60mm Diameter x 5.00mm Length (Axial)

Applications

The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.

• Filtering of switching noise in DC-DC converter outputs
• Suppression of conducted emissions in automotive power harnesses
• Reducing high-frequency ripple on sensor signal lines
• EMI mitigation in industrial control system power rails