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.
Mfr Part #:

744775239

Available from 1 distributors
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
Ambient Temperature (referring to IR)
Current
Current Rating (Amps)
DC Resistance (DCR)
DC Resistance (Typical/Maximum @ @ 20 °C)
Frequency
Halogen Free
Height
Inductance
Length
Material
Mounting Type
Operating Temperature
Operating Voltage
Shielding
Tolerance
Type
Width

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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