744311047 The 744311047 is a shielded wirewound inductor from Würth Elektronik with 400nH inductance, 19A rated current, and 1.85mOhm DCR. It is AEC-Q200 qualified and comes in a 7040 SMD package.
Mfr Part #:

744311047

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
The 744311047 is a shielded wirewound inductor from Würth Elektronik with 400nH inductance, 19A rated current, and 1.85mOhm DCR. It is AEC-Q200 qualified and comes in a 7040 SMD package.
Total Stock: 22 pcs
$ Price Range: $2.58 - $3.80

744311047 Available from 1 distributor

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744311047 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Ambient Temperature (referring to IRP)
Automotive Grade
Current
Current Rating (Amps)
DC Resistance (DCR)
Frequency
Halogen Free
Height
Inductance
Inductance (Rated)
Length
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Performance Rated Current (ΔT=40K)
Rated Current (ΔT=50K)
Ratings
Saturation Current (Typical @ |ΔL/L| < 10%)
Saturation Current (Typical @ |ΔL/L| < 30%)
Shielding
Storage Conditions
Supplier Device Package
Tape & Reel
Tolerance
Type
Width

744311047 Description

Short technical summary and product information.

The Würth Elektronik 744311047 is a shielded wirewound high current inductor from the WE-HCI series. It offers a nominal inductance of 400nH (tolerance ±20%) and is rated for a continuous current of 19A with a temperature rise of 50K. The DC resistance is a low 1.85mOhm, minimizing power losses.

 

This inductor is AEC-Q200 qualified, making it suitable for automotive and other harsh environment applications. It features a saturation current of 11A typical at 10% inductance drop and 25A typical at 30% drop. The self-resonant frequency is 250MHz.

 

The component is surface mountable in a nonstandard 7040 package measuring 7.00mm x 6.90mm x 4.00mm. It is RoHS and REACH compliant and has an MSL of 1 (unlimited).

744311047 Quick Information

Product Type: Fixed Inductor
Series: WE-HCI
Canonical Name: WE-HCI SMT High Current Inductor 744311047
Subcategory: High Current Inductor

744311047 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: Compliant
Lead Free: Yes

744311047 Estimated Pricing

Qty Low High
1+ $3.80 $3.80
10+ $3.72 $3.72
50+ $3.44 $3.44
100+ $3.29 $3.29
500+ $3.08 $3.08
1,000+ $2.58 $2.58

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

744311047 Features

  • Shielded wirewound construction for low EMI.
  • Rated current of 19A at 50K temperature rise.
  • Low DC resistance of 1.85mOhm.
  • AEC-Q200 qualified for automotive applications.
  • Surface mount 7040 package.

744311047 Applications

  • Used in automotive power supply circuits.
  • Ideal for high current DC-DC converters.
  • Suitable for EMI filtering in power lines.
  • Applicable in industrial power management systems.

744311047 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the 744311047?

The nominal inductance is 400nH (0.4µH) at 100kHz/100mV, with a tolerance of ±20%.

What is the rated current of this inductor?

The rated current is 19A maximum at a 50K temperature rise.

What is the DC resistance (DCR) of the 744311047?

The DC resistance is 1.85mOhm nominal at 20°C.

What is the self-resonant frequency of this inductor?

The self-resonant frequency is 250MHz typical.

What package does the 744311047 come in?

It comes in a nonstandard 7040 surface mount package with dimensions 7.00mm x 6.90mm x 4.00mm.

Is the 744311047 AEC-Q200 qualified?

Yes, it is rated AEC-Q200 for automotive applications.

What is the operating temperature range?

The operating temperature range is -40°C to 150°C.

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