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High-Efficiency DC-DC Optimized SMD Power Inductor EPNR4012-4R7M
Power Inductor

High-Efficiency DC-DC Optimized SMD Power Inductor EPNR4012-4R7M

Model
EPNR4012-4R7M

Brand
EASTEVER

Features
• Stable Inductance Performance(rated 4.70uH±20%)
• Low Power Loss
• High Current Handling
• Wide Temperature Range: -40℃ to 125℃
• Surface Mount Design
• Magnetically Shielded construction, low EMI
• Halogen Free & ROHS compliant.
• DC-DC Converters
• VRM for server

Application
• Notebook & Computer Peripherals
• Portable Devices
• Industrial Control Systems
• LED Lighting Drivers
• DC/DC converter for CPU in Notebook / PC /PDA

  • Dimensions L*W*H(mm) 4.0*4.0*1.2
  • Inductance 0.1~4.7µH
  • Tolerance ±20%
  • DCR(mΩ)Max 125~170.0 mOHM Max
  • Isat(A)Max 0.1~1AMax
  • Irms(A)Max 0.2~1A Max

Product Parameters

Dimensions L*W*H(mm) 

4.0*4.0*1.2

Inductance

4.70µH

Tolerance

±20%

DCR(mΩ)Max

170.0 mOHM Max

Isat(A)Max

1.15AMax(L0A*70%)

Irms(A)Max

1.05.A Max(40℃Max)

Test Condition

100KHz, 0.25Vrms.

Product Description

The EPNR4012-4R7M stands as a versatile solution among SMD Molding Power Inductors, embodying the precision of Molded Chip Inductors while integrating the advantages of Shielded Molding SMD Power Inductors. As a compact surface mount component, its molded construction ensures structural robustness, making it ideal for space-constrained electronic devices.

Classified under SMD Molding Power Inductors, it delivers high power handling and efficient energy storage, critical for DC-DC converters and buck-boost circuits in notebooks and digital cameras. As a Molded Chip Inductor, it features a streamlined design that simplifies automated assembly, enhancing production efficiency. Meanwhile, its shielded molding—hallmark of Shielded Molding SMD Power Inductors—minimizes electromagnetic interference, ensuring stable performance in sensitive systems like computer display boards and handheld devices.

With a 4.7µH inductance and low impedance, this inductor seamlessly bridges the strengths of all three categories, proving indispensable in modern electronics where reliability, compactness, and EMI protection are paramount.

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