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Magnetic Ferrite Hole Beads 4x2x2 mm Ferrite Core Ring

Magnetic Ferrite Hole Beads 4x2x2 mm Ferrite Core Ring
Magnetic Ferrite Hole Beads 4x2x2 mm Ferrite Core Ring
Magnetic Ferrite Hole Beads 4x2x2 mm Ferrite Core Ring
Magnetic Ferrite Hole Beads 4x2x2 mm Ferrite Core Ring
Magnetic Ferrite Hole Beads 4x2x2 mm Ferrite Core Ring
Magnetic Ferrite Hole Beads 4x2x2 mm Ferrite Core Ring
Magnetic Ferrite Hole Beads 4x2x2 mm Ferrite Core Ring
Orders placed before 16:30 on weekdays are sent on the same day. Free shipping over 150 RON.
1.98RON
Ex Tax: 1.98RON
  • Stock: In Stock
  • Model: A1557.FC4X2X2

Magnetic Ferrite Hole Beads 4×2×2 mm – Ferrite Core Ring for EMI/RFI Suppression

Engineered for effective EMI/RFI filtering, these compact 4×2×2 mm ferrite core rings provide a closed magnetic path to attenuate high‑frequency noise on power and signal lines. Built from high-resistivity Nickel Zinc Ferrite (NiZn), they are ideal for noise suppression in electronics components, Arduino and Raspberry Pi projects, radio modules, and microcontroller-based circuits where clean signals and stable voltage rails are essential.

⭐ Key Features

  • NiZn ferrite material for broadband high‑frequency attenuation (typical EMI/RFI ranges).
  • Closed-ring (self‑shielding) design concentrates flux and reduces radiated fields.
  • Hollow core allows single or multiple turns of wire to boost impedance and filtering effect.
  • Ultra-compact size (OD 4 mm, ID 2 mm, height 2 mm) fits tight layouts and small harnesses.
  • Corrosion-resistant ceramic with durable magnetic gray metallic finish.

🔧 Typical Applications

  • Noise suppression on Arduino, Raspberry Pi, and microcontroller boards (3.3 V / 5 V rails).
  • Filtering on sensor leads and data lines (I2C, SPI, UART) in electronics modules.
  • Power lines for DC/DC converters, servo control leads, and RF front-end bias lines.
  • DIY projects requiring compact EMI filtering on thin wires, jumpers, or enamelled wire.
  • Creative builds (e.g., tactile assemblies); note: ferrite is ceramic and can be brittle.

📐 Technical Specifications

  • Material: Nickel Zinc Ferrite (NiZn)
  • Dimensions: 4 × 2 × 2 mm (Outer Diameter 4 mm, Inner Diameter 2 mm, Height 2 mm)
  • Color: 1g3 Magnetic Gray Metallic
  • Design: Hollow ferrite bead / ring core (self‑shielding flux path)
  • Primary Usage: Anti‑interference EMI filtering for power and signal conductors

🧰 Installation & Usage Tips

  • Thread the conductor through the 2 mm inner diameter hole. Use multiple turns to increase impedance (effect scales approximately with N² turns).
  • Place the bead close to the noise source or the entry point to your sensitive circuit.
  • Effective at high frequencies; has minimal impact on DC or low‑frequency signals and voltage levels.
  • Suitable for thin wires and jumpers commonly used with Arduino/Raspberry Pi and similar modules.

⚠️ Notes

  • Ferrite is a ceramic: handle gently; avoid impact or crushing.
  • These are not strong permanent magnets; they function as ferrite cores for EMI suppression.
  • Ensure your conductor diameter (including insulation) fits within the 2 mm ID.

Optimize your electronics builds with reliable, compact ferrite core rings—a practical choice for clean power, quieter signals, and improved EMC performance across Arduino, Raspberry Pi, and other microcontroller platforms. 🚀

Your orders placed before 16:30 on weekdays are dispatched the same day.

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