DFE252012F-1R0M=P2: Murata's Premium 1 H Shielded SMD Inductor for High-Performance Electronics

In the realm of surface mount technology (SMT) components, Murata Electronics' DFE252012F-1R0M=P2 stands out as a benchmark for reliability and efficiency. This comprehensive guide delves into every technical aspect of this shielded fixed inductor, optimized for engineers seeking components for power management, RF applications, and noise suppression circuits.

In-Depth Technical Specifications

Core Architecture & Material Science

The iron powder core construction delivers superior magnetic properties with:

• High saturation flux density (1.4T typical)
• Excellent temperature stability ( 30ppm/ C)
• Low core loss at high frequencies (<50mW/cm @ 1MHz)

Precision Electrical Characteristics

Parameter	Value	Conditions
Inductance	1 H 20%	1MHz, 0.1Vrms
DC Resistance	40m	25 C
Rated Current	3.3A	40 C temp rise
Saturation Current	5.3A	30% L drop
Q Factor	Min 20	1MHz

Advanced Design Features

Multi-Layer Shielded Construction

The proprietary shielding technology reduces radiated EMI by:

• 60dB attenuation @ 100MHz
• 3-layer magnetic alloy encapsulation
• Groundable shield terminals

Thermal Management

Optimized for high-density PCB layouts:

• 125 C continuous operation rating
• Low thermal resistance (15 C/W junction-to-ambient)
• Halogen-free epoxy coating

Industry-Leading Applications

Power Conversion Systems

Ideal for:

• Buck/boost converter output filters (1-3MHz switching)
• POL (Point-of-Load) regulators
• 48V automotive DC/DC converters

RF & Signal Integrity

Critical for:

• 5G mmWave power amplifier matching
• EMI filters in high-speed digital circuits (PCIe 5.0)
• IoT device RF front-end modules

Comparative Advantages

Benchmark tests show 25% better efficiency than similar TDK MLK2016 series inductors in:

• Power loss at 3A (120mW vs 160mW)
• Temperature rise under load (18 C vs 24 C)
• High-frequency Q factor (22 vs 18 @ 2MHz)

Purchasing & Integration Support

Available through authorized distributors with:

• MOQ options (100pcs tape/reel)
• RoHS 3.0/REACH compliance documentation
• SPICE models for circuit simulation

Engineering Resources

Download technical assets:

• 3D STEP models for mechanical integration
• Application notes for automotive-grade designs
• Reliability test reports (1000hrs @ 85 C/85%RH)

For volume pricing and samples of the DFE252012F-1R0M=P2, contact our technical sales team today. This Murata inductor is currently in stock with 8-week lead time guarantees for production quantities.