MI1812K121R-10 The Laird Technologies MI1812K121R-10 is a surface mount ferrite bead designed for EMI filtering on power and signal lines. It offers 120 Ohm impedance at 100 MHz and a 1.5A current rating.
Mfr Part #:

MI1812K121R-10

Available from 3 distributors
Mfr Name: Laird Technologies
Laird Technologies
The Laird Technologies MI1812K121R-10 is a surface mount ferrite bead designed for EMI filtering on power and signal lines. It offers 120 Ohm impedance at 100 MHz and a 1.5A current rating.
Total Stock: 1,749 pcs
$ Price Range: $0.99

MI1812K121R-10 Available from 3 distributors

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Non-Authorised

MI1812K121R-10 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current Rating (Max)
DC Resistance (DCR) (Max)
Filter Type
Height (Max)
Impedance @ Frequency
Length
Mounting Type
Number of Lines
Operating Temperature
Operating Temperature (Minimum/Maximum)
Width

MI1812K121R-10 Description

Short technical summary and product information.

The Laird Technologies MI1812K121R-10 is a two-terminal surface mount ferrite chip bead, providing a compact and cost-effective EMI filtering solution for densely packed electronic designs. This component is suitable for noise suppression on both power and signal lines.

 

Key electrical specifications include an impedance of 120 Ohms at 100 MHz and a maximum DC resistance of 55mOhm. It is rated for a maximum current of 1.5A. The operating temperature range is from -40°C to +125°C.

 

Mechanically, the ferrite bead is housed in an 1812 (4532 Metric) package with dimensions of 4.50mm in length and 3.20mm in width. The maximum height is 1.40mm. It features a surface mount type and is designed for single line applications.

 

This component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

MI1812K121R-10 Quick Information

Product Type: Ferrite Bead
Series: 1812 Series
Canonical Name: Laird Technologies MI1812K121R-10 Ferrite Chip Bead
Subcategory: EMI Filtering

MI1812K121R-10 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MI1812K121R-10 Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

MI1812K121R-10 Features

  • Surface mount ferrite chip bead.
  • 120 Ohm impedance at 100 MHz.
  • 1.5A maximum current rating.
  • Operating temperature -40°C to 125°C.
  • RoHS3 compliant.

MI1812K121R-10 Applications

  • Suitable for noise suppression in power lines.
  • Used in automotive electronic filtering applications.
  • Ideal for high-frequency signal filtering circuits.
  • Applicable in industrial and consumer electronics.
  • Supports EMI filtering in densely packed designs.

MI1812K121R-10 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the impedance of the MI1812K121R-10 at 100 MHz?

The impedance is 120 Ohms at 100 MHz.

What is the maximum DC resistance of this ferrite bead?

The maximum DC resistance is 55mOhm.

What is the maximum current rating for the MI1812K121R-10?

The maximum current rating is 1.5A.

What is the operating temperature range for this component?

The operating temperature range is -40°C to 125°C.

What package size is the MI1812K121R-10?

It comes in an 1812 (4532 Metric) package.

Is the MI1812K121R-10 RoHS compliant?

Yes, it is RoHS3 compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The Moisture Sensitivity Level is 1.

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