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Murata BLM21SP331SN1D Chip Ferrite Bead

The Murata BLM21SP331SN1D is a surface mount chip ferrite bead ideal for EMI suppression in a variety of applications. Designed to function nearly as a resistor at noise frequencies, it effectively reduces resonance and maintains signal integrity. The bead's construction, featuring a nickel barrier structure for external electrodes, provides excellent solder heat resistance. Suitable for high-current circuits due to its low DC resistance, the BLM21SP series is a reliable solution for noise filtering and signal conditioning in electronic devices.

Authorized Distributors
Source:Newark
Part No:BLM21SP331SN1D
Stock:1710
Inv Date:06-02-2026
Price: Unit price: $0.227
Buy/RFQ:
Source:DigiKey
Part No:BLM21SP331SN1D
Stock:1961
Inv Date:06-02-2026
Price: Unit price: $0.31
Buy/RFQ:
Part No:BLM21SP331SN1D
Stock:155
Inv Date:06-03-2026
Price: Unit price: $0.31
Buy/RFQ:
Part No:BLM21SP331SN1D
Stock:8000
Inv Date:06-03-2026
Price: N/A
Buy/RFQ:

Murata BLM21SP331SN1D Chip Ferrite Bead Specifications:

  • Shape: SMD
  • Size Code (in mm): 2012
  • Size Code (in inch): 0805
  • Length: 2.0mm
  • Length Tolerance: ±0.2mm
  • Width: 1.25mm
  • Width Tolerance: ±0.2mm
  • Thickness: 0.85mm
  • Thickness Tolerance: ±0.2mm
  • Impedance (at 100MHz): 330Ω
  • Impedance (at 100MHz) Tolerance: ±25%
  • Rated Current (at 85℃): 2.8A
  • Rated Current (at 125℃): 1.9A
  • DC Resistance(max.): 0.04Ω
  • Operating Temperature Range: -55℃ to 125℃
  • Mass(typ.): 0.01g
  • Number of Circuit: 1
  • Minimum Packaging Order Quantity (D): 4000
  • Minimum Packaging Order Quantity (J): 10000
  • Minimum Packaging Order Quantity (B): 1000

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Frequently Asked Questions

Where can I buy Murata BLM21SP331SN1D?

You can click on the BUY or RFQ button to purchase BLM21SP331SN1D from an authorized Murata distributor.

How do I troubleshoot issues or seek technical support for part BLM21SP331SN1D?

You can download the BLM21SP331SN1D datasheet or visit the Murata website for support.

Who is the manufacturer of BLM21SP331SN1D?

Murata

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