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Murata BLF03JD421GZED Surface-mount noise filter

The BLF series filter is designed for noise suppression at specified frequencies, particularly effective in circuits without stable ground connections, including GSM bands. It features high impedance from 700MHz to 1GHz, nickel barrier external electrodes for excellent solder heat resistance, and a compact SMD 0201 size with a length of 0.6mm and width of 0.3mm. Suitable for automotive and infotainment applications, its robust design ensures durability and reliable performance in demanding environments, making it ideal for high-frequency noise filtering in various electronics systems.

Authorized Distributors
Source:Newark
Part No:BLF03JD421GZED
Stock:6420
Inv Date:06-02-2026
Price: Unit price: $0.093
Buy/RFQ:
Source:DigiKey
Part No:BLF03JD421GZED
Stock:14650
Inv Date:06-02-2026
Price: Unit price: $0.17
Buy/RFQ:
Part No:BLF03JD421GZED
Stock:22062
Inv Date:06-03-2026
Price: Unit price: $0.17
Buy/RFQ:

Murata BLF03JD421GZED Surface-mount noise filter Specifications:

  • Shape: SMD
  • Size Code: 0201 (in inch), 0603 (in mm)
  • Dimensions: Length 0.6mm, Width 0.3mm, Thickness 0.4mm
  • Tolerance: Length +0.03mm, Width +0.03mm, Thickness +0.03mm
  • Operating Temperature: -55°C to +125°C
  • Mass: 0.4mg (typical)
  • Number of Circuits: 1
  • Rated Current at 85°C: 480mA
  • Rated Current at 125°C: 370mA
  • DC Resistance (max): 0.280Ω
  • Impedance at 700MHz: 420Ω to 240Ω (target frequency)
  • Temperature Derating: Current decreases above +85°C, follow derating curve
  • Application: Noise filtering for electronic circuits, especially GSM, automotive, infotainment
  • Package: Tape packing (15000 pcs), bulk (1000 pcs)

Buy the Murata BLF03JD421GZED – Reliable Noise Filter for Industrial Applications

Enhance your electronic circuits with the Murata BLF03JD421GZED surface-mount noise filter, designed for high impedance at 700MHz-1GHz. Its compact 0201 size ensures easy integration into tight spaces, making it ideal for GSM, automotive, and infotainment applications. The nickel barrier electrodes provide excellent solder heat resistance, ensuring reliable connections. Perfect for reducing electromagnetic interference, this filter offers robust performance across a wide temperature range, delivering durability and consistent noise suppression in demanding environments. Buy online now for reliable electronic performance.

Get Murata BLF03JD421GZED today—built for high-frequency noise reduction in demanding industrial and automotive systems.

Frequently Asked Questions

Where can I buy Murata BLF03JD421GZED?

You can click on the BUY or RFQ button to purchase BLF03JD421GZED from an authorized Murata distributor.

How do I troubleshoot issues or seek technical support for part BLF03JD421GZED?

You can download the BLF03JD421GZED datasheet or visit the Murata website for support.

Who is the manufacturer of BLF03JD421GZED?

Murata

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