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744272221 Surface mount common mode line filter with 220µH inductance, 2.5A rated current, and 800Ω typical impedance at 10MHz. Suitable for signal and data line noise suppression.
Mfr Part #:

744272221

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
Surface mount common mode line filter with 220µH inductance, 2.5A rated current, and 800Ω typical impedance at 10MHz. Suitable for signal and data line noise suppression.
✓ Total Stock: 5 pcs
$ Price Range: $2.19 - $3.35

744272221 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
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5 pcs
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744272221 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current Rating
Current Rating (Max)
DC Resistance (DCR)
DC Resistance (DCR) (Max)
Filter Type
Height (Max)
Impedance @ Frequency
Inductance @ Frequency
Mounting Type
Number of Lines
Operating Temperature
Voltage Rating
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744272221 Description

Short technical summary and product information.

The 744272221 is a WE-SL5 series SMT common mode line filter from Würth Elektronik. It features a 220µH inductance (tolerance ±40%) with a maximum DC resistance of 32mΩ and a rated current of 2.5A (ΔT=40K). The component provides high common mode impedance: 800Ω typical at 10MHz and 600Ω typical at 100MHz. It is designed for signal line applications and is AEC-Q200 qualified (Rev. E) for automotive use. The filter is housed in a horizontal, 4 PC pad package measuring 10.00mm x 8.70mm x 6.50mm (max). It operates over -40°C to +125°C and is RoHS3 compliant, halogen-free, and REACH conform. The leakage inductance is 1300nH typical, and insulation test voltage is 1000V AC. This component is suitable for common mode noise suppression in data lines, power supply systems, and sensor lines.

744272221 Quick Information

Product Type: Common Mode Choke
Series: WE-SL5
Canonical Name: WE-SL5 SMT Common Mode Line Filter
Subcategory: Signal Line Common Mode Choke

744272221 Compliance

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

744272221 Estimated Pricing

Qty Low High
1+ $3.35 $3.35
10+ $3.11 $3.11
50+ $2.81 $2.81
100+ $2.71 $2.71
800+ $2.19 $2.19

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

744272221 Features

  • 220µH inductance with ±40% tolerance.
  • Rated for 2.5A continuous current.
  • 800Ω typical impedance at 10MHz.
  • AEC-Q200 qualified for automotive use.
  • Surface mount package with 4 pads.

744272221 Applications

  • Suppresses common mode noise in data lines.
  • Used in automotive signal filtering.
  • Ideal for power supply noise reduction.
  • Suitable for sensor line filtering.

744272221 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the rated voltage of the 744272221?

The rated voltage is 80V DC (42V AC).

What is the package type of the 744272221?

The package is a horizontal, 4 PC pad surface mount package.

What is the operating temperature range?

-40°C to +125°C.

Is the 744272221 RoHS compliant?

Yes, it is RoHS3 compliant (2011/65/EU & 2015/863).

What is the inductance value?

220µH at 100kHz, 100mV, with ±40% tolerance.

What is the rated current?

2.5A maximum at ΔT=40K.

Is the component AEC-Q200 qualified?

Yes, it is AEC-Q200 compliant (Rev. E).

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