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744775239 Fixed inductor from Würth Elektronik, 390 µH inductance, ±10% tolerance, rated current 0.38 A, DC resistance 1.77 Ω max, surface mount package.
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744775239

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Mfr Name: Würth Elektronik
Würth Elektronik
Fixed inductor from Würth Elektronik, 390 µH inductance, ±10% tolerance, rated current 0.38 A, DC resistance 1.77 Ω max, surface mount package.
✓ Total Stock: 440 pcs

744775239 Available from 1 distributor

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744775239 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Current Rating (Amps)
DC Resistance (DCR)
Frequency
Halogen Free
Height
Inductance
Length
Material
Mounting Type
Operating Temperature
Operating Voltage
Shielding
Tolerance
Type
Width
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744775239 Description

Short technical summary and product information.

The Würth Elektronik 744775239 is a drum core, wirewound fixed inductor from the WE-PD2 series. It offers an inductance of 390 µH with ±10% tolerance. The component is rated for a maximum DC current of 0.38 A (ΔT = 40 K) and has a typical saturation current of 0.43 A. DC resistance is 1.151 Ω typical and 1.77 Ω maximum. The self-resonant frequency is 3.9 MHz typical. Operating voltage is up to 120 V DC. The inductor is unshielded and features a ferrite core. It is designed for surface mount assembly in a nonstandard package measuring 7.80 mm x 7.00 mm x 5.50 mm. Operating temperature range is -40°C to +125°C. The component is RoHS, REACH, and Halogen Free compliant, with MSL level 1.

744775239 Quick Information

Product Type: Fixed Inductor
Canonical Name: Würth Elektronik 744775239 WE-PD2 SMT Power Inductor, 390 µH, ±10%, 0.38 A, Unshielded
Subcategory: Fixed Inductors

744775239 Compliance

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

744775239 Features

  • 390 µH inductance with ±10% tolerance.
  • Rated current of 0.38 A at 40 K temperature rise.
  • Maximum DC resistance of 1.77 Ω.
  • Unshielded drum core with ferrite core material.
  • Surface mount package, 7.8 mm x 7.0 mm x 5.5 mm.

744775239 Applications

  • Ideal for power supply filtering circuits.
  • Used in DC-DC converter output stages.
  • Suitable for EMI suppression in low-power designs.
  • Applicable in consumer electronics and industrial controls.

744775239 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the 744775239?

390 µH at 10 kHz/100 mV.

What is the rated current of this inductor?

0.38 A maximum at ΔT = 40 K.

What is the DC resistance of the 744775239?

1.151 Ω typical, 1.77 Ω maximum at 20°C.

What is the self-resonant frequency?

3.9 MHz typical.

What is the package size of this inductor?

Nonstandard surface mount package, 7.80 mm x 7.00 mm x 5.50 mm.

What is the operating temperature range?

-40°C to +125°C.

Is the 744775239 RoHS compliant?

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

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