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74279244 Ferrite bead with 850Ω impedance at 100MHz, 1A rated current, in 1806 SMD package. AEC-Q200 Grade 1 qualified.
Mfr Part #:

74279244

Available from 2 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
Ferrite bead with 850Ω impedance at 100MHz, 1A rated current, in 1806 SMD package. AEC-Q200 Grade 1 qualified.
✓ Total Stock: 1,990 pcs
$ Price Range: $0.18 - $0.29

74279244 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Speed Components Ltd ✓
Non-Authorised Inventory information
1,929 pcs
On Request
1929 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
61 pcs
On Request
61 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

74279244 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current Rating (Max)
DC Resistance (DCR) (Max)
Filter Type
Halogen Free
Height (Max)
Impedance @ Frequency
Length
Mounting Type
Number of Lines
Operating Temperature
Tape & Reel
Width
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74279244 Description

Short technical summary and product information.

The 74279244 is a WE-CBF SMT EMI suppression ferrite bead from Würth Elektronik. It offers 850Ω impedance at 100MHz (±25% tolerance) and a maximum impedance of 1250Ω typ. at 50MHz. The DC resistance is 0.1Ω max, allowing a rated current of 1A at 20K temperature rise and 1.5A at 40K.

 

This single-line ferrite bead is housed in a 1806 (4516 metric) surface-mount package with dimensions 4.50mm x 1.60mm x 1.80mm. It operates over a temperature range of -55°C to 125°C and is AEC-Q200 Grade 1 qualified, making it suitable for automotive applications.

 

Typical applications include EMI suppression in power supply lines, high-speed data lines, and general filtering in consumer, industrial, and automotive electronics. The component is RoHS compliant, REACH conform, halogen-free, and has MSL 1 moisture sensitivity.

74279244 Quick Information

Product Type: Ferrite Bead
Series: WE-CBF
Canonical Name: WE-CBF SMT EMI Suppression Ferrite Bead 850 Ω
Subcategory: EMI Suppression

74279244 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): MSL 1 - Unlimited
REACH Status: Conform or declared [(EC)1907/2006]
Lead Free: Yes

74279244 Estimated Pricing

Qty Low High
1+ $0.29 $0.29
10+ $0.28 $0.28
25+ $0.26 $0.26
50+ $0.24 $0.24
100+ $0.23 $0.23
500+ $0.22 $0.22
1,000+ $0.21 $0.21
2,000+ $0.18 $0.18

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

74279244 Features

  • 850Ω impedance at 100MHz with ±25% tolerance.
  • Rated current up to 1.5A at 40K temperature rise.
  • AEC-Q200 Grade 1 qualified for automotive use.
  • SMD package 1806 (4516 metric).
  • Low DC resistance of 0.1Ω.

74279244 Applications

  • Used in power supply noise filtering circuits.
  • Ideal for automotive electronic modules.
  • Suitable for high-speed data lines.
  • EMI suppression in consumer electronics.

74279244 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the impedance of the 74279244 ferrite bead?

The impedance is 850 Ω at 100 MHz, with a tolerance of ±25%.

What is the rated current of the 74279244?

Rated current is 1 A maximum at a temperature rise of 20 K, and 1.5 A maximum at 40 K.

What is the DC resistance of the 74279244?

The maximum DC resistance is 0.1 Ω.

What is the operating temperature range?

The operating temperature range is -55°C to 125°C.

Is the 74279244 RoHS compliant?

Yes, it is RoHS compliant per 2011/65/EU & 2015/863.

What is the package size?

The package is 1806 (4516 metric), with dimensions 4.50 mm x 1.60 mm x 1.80 mm max.

Is this part qualified for automotive use?

Yes, it is AEC-Q200 Grade 1 qualified.

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