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744272251 This 744272251 is a surface mount common mode choke from Würth Elektronik's WE-SL5 series. It features 250µH inductance, 2.8A max current, and 1200Ω impedance at 20MHz.
Mfr Part #:

744272251

Available from 2 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
This 744272251 is a surface mount common mode choke from Würth Elektronik's WE-SL5 series. It features 250µH inductance, 2.8A max current, and 1200Ω impedance at 20MHz.
✓ Total Stock: 188 pcs
$ Price Range: $2.19 - $3.35

744272251 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
156 pcs
On Request
156 pcs On Request 1 On Request On Request On Request On Request On Request
Hybrid Electronics ✓
Non-Authorised Inventory information
32 pcs
On Request
32 pcs On Request 1 On Request On Request NO DC 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.

744272251 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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744272251 Description

Short technical summary and product information.

The Würth Elektronik 744272251 is a surface mount common mode line filter from the WE-SL5 series designed for suppressing common mode noise in power and signal lines.

 

Key electrical characteristics include an inductance of 250µH at 100kHz (±40%), maximum DC resistance of 35mΩ, and a rated current of 2.8A. The component offers high impedance: 1200Ω typical at 20MHz, 1000Ω at 10MHz, and 800Ω at 100MHz. Rated voltage is 80V DC with an insulation test voltage of 1000V AC.

 

The choke is packaged in a Horizontal, 4 PC Pad surface mount configuration measuring 10.00mm x 8.70mm x 6.50mm. It operates over -40°C to +125°C and is AEC-Q200 qualified for automotive applications. Compliance includes RoHS3, REACH, and halogen-free (per JEDEC JS709B and IEC 61249-2-21).

744272251 Quick Information

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

744272251 Compliance

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

744272251 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.

744272251 Features

  • 250 µH inductance at 100 kHz.
  • Maximum DC resistance of 35 mΩ.
  • Rated for 80V DC operation.
  • AEC-Q200 qualified for automotive.
  • Surface mount package, 10x8.7x6.5 mm.

744272251 Applications

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

744272251 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of this common mode choke?

80 V DC.

What is the package type and dimensions?

Horizontal, 4 PC Pad surface mount package; 10.00 mm x 8.70 mm x 6.50 mm.

What is the operating temperature range?

-40°C to +125°C.

Is this component RoHS compliant?

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

What is the inductance value?

250 µH at 100 kHz, with ±40% tolerance.

What is the maximum rated current?

2800 mA (2.8 A) maximum.

Is this component AEC-Q200 qualified?

Yes, compliant with Rev. E.

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