74279245 Single-line ferrite bead with 110 Ω impedance at 100 MHz, 4A rated current, and 35 mΩ DCR in a 1806 surface-mount package.
Mfr Part #:

74279245

Available from 2 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
Single-line ferrite bead with 110 Ω impedance at 100 MHz, 4A rated current, and 35 mΩ DCR in a 1806 surface-mount package.
Total Stock: 4,005 pcs
$ Price Range: $0.19 - $0.29

74279245 Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
4,000 pcs
4000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
5 pcs
5 pcs On Request 1 On Request On Request On Request On Request On Request

74279245 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
AEC-Q200
Automotive Grade
Current Rating (Max)
DC Resistance (DCR) (Max)
Filter Type
Halogen Free
Height (Max)
Impedance @ Frequency
Length
Maximum Impedance
Medical Grade
Military Grade
Mounting Type
Number of Lines
Operating Temperature
Rated Current (Maximum @ ΔT = 20 K)
SVHC Present
Storage Temperature
Tape & Reel
Width

74279245 Description

Short technical summary and product information.

The Würth Elektronik 74279245 is a WE-CBF series SMT EMI suppression ferrite bead designed for signal line filtering. It offers a nominal impedance of 110 Ω at 100 MHz with a typical maximum impedance of 170 Ω at 600 MHz. The component is rated for a maximum DC current of 4 A (ΔT = 40 K) and 2 A (ΔT = 20 K), with a low DC resistance of 35 mΩ maximum.

 

This ferrite bead is qualified to AEC-Q200 Grade 1, making it suitable for automotive applications. It is RoHS3 compliant, REACH conform, and halogen-free. The operating temperature range spans -55°C to +125°C, and it has a Moisture Sensitivity Level (MSL) of 1.

 

The component is housed in a 1806 (4516 Metric) surface-mount package with dimensions 4.50 mm x 1.60 mm and a maximum height of 1.80 mm. It is designed for general electronic equipment and high-current noise suppression.

74279245 Quick Information

Product Type: Ferrite Bead
Series: WE-CBF
Canonical Name: WE-CBF SMT EMI Suppression Ferrite Bead 110 Ω 1806
Subcategory: Signal Line

74279245 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 75
REACH Status: Conform or declared
Lead Free: Yes

74279245 Estimated Pricing

Qty Low High
1+ $0.29 $0.29
10+ $0.28 $0.28
50+ $0.26 $0.26
100+ $0.25 $0.25
500+ $0.24 $0.24
1,000+ $0.23 $0.23
2,000+ $0.19 $0.19

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

74279245 Features

  • 110 Ω impedance at 100 MHz.
  • 4 A rated current at ΔT=40 K.
  • 35 mΩ maximum DC resistance.
  • AEC-Q200 Grade 1 qualified.
  • 1806 surface-mount package.

74279245 Applications

  • EMI suppression in automotive electronics.
  • Noise filtering on power supply lines.
  • Signal line filtering in high-current circuits.
  • Used in engine control modules.

74279245 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the impedance of the 74279245 ferrite bead?

110 Ω at 100 MHz (nominal) with a typical maximum impedance of 170 Ω at 600 MHz.

What is the rated current of this ferrite bead?

4 A maximum at ΔT = 40 K and 2 A maximum at ΔT = 20 K.

What is the DC resistance of the 74279245?

35 mΩ maximum.

What is the operating temperature range?

-55°C to +125°C.

Is the 74279245 AEC-Q200 qualified?

Yes, it is qualified to AEC-Q200 Grade 1.

What package does the 74279245 come in?

1806 (4516 Metric) surface-mount package.

Is the 74279245 RoHS compliant?

Yes, it is RoHS3 compliant per 2011/65/EU and 2015/863.

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