744290321 Surface mount common mode choke from Würth Elektronik. Features 0.32 mH inductance, 3.25 A rated current, and 80 V rated voltage.
Mfr Part #:

744290321

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
Surface mount common mode choke from Würth Elektronik. Features 0.32 mH inductance, 3.25 A rated current, and 80 V rated voltage.
✓ Total Stock: 79 pcs
$ Price Range: $3.29 - $4.63

744290321 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
79 pcs
79 pcs On Request 1 On Request On Request On Request On Request On Request

744290321 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)
Inductance @ Frequency
Mounting Type
Number of Lines
Operating Temperature
Voltage Rating

744290321 Description

Short technical summary and product information.

The Würth Elektronik 744290321 is a surface mount common mode choke designed for power and signal line filtering. It features an inductance of 0.32 mH (measured at 10 kHz, 50 mV) with ±30% tolerance, a maximum DC resistance of 29 mΩ, and a rated current of 3.25 A (ΔT = 40 K). The component is rated for 80 V and has an insulation test voltage of 500 V AC. It operates over a temperature range of -40°C to 125°C. The package is a horizontal, 4 flat lead surface mount design with dimensions 14.5 mm x 12.5 mm x 7.8 mm. This choke is RoHS and REACH compliant, with MSL level 1.

744290321 Quick Information

Product Type: Common Mode Choke
Series: WE-UCF
Canonical Name: Common Mode Choke, 0.32 mH, 3.25 A, 80 V, Surface Mount
Subcategory: Common Mode Choke

744290321 Compliance

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

744290321 Estimated Pricing

Qty Low High
1+ $4.63 $4.63
50+ $4.29 $4.29
250+ $3.78 $3.78
500+ $3.52 $3.52
1,250+ $3.29 $3.29

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

744290321 Features

  • Inductance of 0.32 mH at 10 kHz.
  • Rated current of 3.25 A.
  • Surface mount package with flat leads.
  • RoHS and REACH compliant.
  • Operating temperature range -40°C to 125°C.

744290321 Applications

  • Power line common mode filtering.
  • Signal line common mode filtering.
  • Surface mount design for automated assembly.

744290321 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the rated voltage of the 744290321?

80 V.

What is the package type?

Horizontal, 4 Flat Lead surface mount package.

What is the operating temperature range?

-40°C to 125°C.

Is the 744290321 RoHS compliant?

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

What is the inductance value?

0.32 mH at 10 kHz, 50 mV, ±30% tolerance.

What is the rated current?

3.25 A maximum at ΔT = 40 K.

What is the DC resistance?

29 mΩ maximum at 20°C.

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