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744253200 This is a 20µH common mode line filter from Würth Elektronik, rated at 500mA and 80V. It features 3 lines, 1250Ω maximum impedance, and a surface mount package.
Mfr Part #:

744253200

Available from 2 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
This is a 20µH common mode line filter from Würth Elektronik, rated at 500mA and 80V. It features 3 lines, 1250Ω maximum impedance, and a surface mount package.
✓ Total Stock: 1,036 pcs
$ Price Range: $1.61 - $2.46

744253200 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Tomark Electronics Ltd ✓
Non-Authorised Inventory information
1,016 pcs
On Request
1016 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
20 pcs
On Request
20 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.

744253200 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current Rating
Current Rating (Max)
Filter Type
Height (Max)
Inductance @ Frequency
Mounting Type
Number of Lines
Operating Temperature
Voltage Rating
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744253200 Description

Short technical summary and product information.

The Würth Elektronik 744253200 is a surface mount common mode line filter from the WE-SL3 series. It is designed for suppressing common mode noise on data and signal lines, including applications such as Power over Ethernet (PoE) and audio frequency noise filtering.

 

This filter has an inductance of 20 µH at 100 kHz (tolerance +50%/-30%), a maximum impedance of 1250 Ω, and a DC resistance of 0.16 Ω. It is rated for a current of 500 mA (ΔT=40K) and a voltage of 80 V. The leakage inductance is 57 nH typical, and insulation test voltage is 500 V AC.

 

The component is housed in a low-profile SMT package with dimensions 9.2 mm x 6.6 mm x 2.5 mm. It operates over a temperature range of -40°C to +125°C and is rated for ambient temperatures up to +85°C at rated current. The filter is RoHS, REACH, and Halogen Free compliant, with a flammability rating of UL 94 V-0 and MSL Level 1.

 

With three windings, this trifilar version is suitable for suppressing common mode noise in power supply systems, signal lines, and CAN bus interfaces. It is also used in PoE and audio frequency applications.

744253200 Quick Information

Product Type: Common Mode Choke
Series: WE-SL3
Canonical Name: WE-SL3 SMT Common Mode Line Filter
Subcategory: Signal Line Filter

744253200 Compliance

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

744253200 Estimated Pricing

Qty Low High
1+ $2.46 $2.46
10+ $2.33 $2.33
50+ $2.13 $2.13
100+ $1.93 $1.93
500+ $1.80 $1.80
1,500+ $1.61 $1.61

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

744253200 Features

  • Three-winding trifilar design for common mode filtering.
  • 20 µH inductance at 100 kHz, 1250 Ω impedance.
  • Rated for 500 mA and 80 V operation.
  • Surface mount package with low profile 2.5 mm height.
  • RoHS, REACH, and Halogen Free compliant.

744253200 Applications

  • Suppresses common mode noise on data and signal lines.
  • Suitable for Power over Ethernet (PoE) applications.
  • Used in CAN bus and sensor interface circuits.
  • Ideal for audio frequency noise filtering.

744253200 FAQs

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

80 V.

What is the operating temperature range?

-40°C to +125°C.

Is this component RoHS compliant?

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

What is the package type?

Surface mount (SMT) with dimensions 9.2 mm x 6.6 mm x 2.5 mm.

What is the inductance value?

20 µH at 100 kHz, 100 mV, with tolerance +50%/-30%.

What is the maximum impedance?

1250 Ω typical.

What is the rated current?

500 mA maximum at ΔT = 40 K.

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