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744303012 The 744303012 is a shielded surface mount fixed inductor from Würth Elektronik with 120 nH inductance, 31 A rated current, and 0.325 mΩ DCR.
Mfr Part #:

744303012

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
The 744303012 is a shielded surface mount fixed inductor from Würth Elektronik with 120 nH inductance, 31 A rated current, and 0.325 mΩ DCR.
✓ Total Stock: 100 pcs

744303012 Available from 1 distributor

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Speed Components Ltd ✓
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100 pcs
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100 pcs On Request 1 On Request On Request On Request On Request On Request
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744303012 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
Performance Rated Current
Shielding
Tolerance
Type
Width
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744303012 Description

Short technical summary and product information.

The 744303012 is a WE-HCM series high current flat wire inductor from Würth Elektronik. It features a shielded drum core wirewound construction with a manganese zinc ferrite core. The inductor offers 120 nH nominal inductance (±20%) measured at 100 kHz / 10 mA. Rated current is 31 A maximum based on a 40 K temperature rise, with a performance rated current of 63.9 A per IEC 62024-2-2020 Class D. Saturation current is 51.2 A typical at 10% inductance drop and 59.8 A typical at 30% drop. DC resistance is 0.325 mΩ nominal (±7%) at 20 °C. Self-resonant frequency is 150 MHz typical. The component is housed in a nonstandard surface mount package measuring 10.2 mm x 7.0 mm x 5.0 mm maximum. Operating temperature range is -40 °C to +125 °C. The inductor is RoHS, REACH, and halogen free compliant, with MSL 1 and AEC-Q200 Grade 1 qualification. It is suitable for high current power supply filtering, DC-DC converters, and automotive electronics where low DCR and high saturation current are required.

744303012 Quick Information

Product Type: Fixed Inductor
Series: WE-HCM
Canonical Name: WE-HCM SMT High Current Flat Wire Inductor
Subcategory: High Current Flat Wire Inductor

744303012 Compliance

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

744303012 Features

  • Shielded drum core wirewound construction.
  • Rated for 31 A continuous current.
  • Low DC resistance of 0.325 mΩ.
  • Self-resonant frequency of 150 MHz.
  • AEC-Q200 Grade 1 qualified.

744303012 Applications

  • Suitable for high current power supplies.
  • Used in automotive electronics.
  • Ideal for DC-DC converter filtering.
  • EMI suppression in high power circuits.

744303012 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the 744303012?

The nominal inductance is 120 nH at 100 kHz / 10 mA, with ±20% tolerance.

What is the rated current of this inductor?

The rated current is 31 A maximum based on a 40 K temperature rise.

What is the DC resistance of the 744303012?

The DC resistance is 0.325 mΩ nominal at 20 °C, with ±7% tolerance.

What is the self-resonant frequency?

The self-resonant frequency is 150 MHz typical.

What package does the 744303012 come in?

It is a surface mount device in a nonstandard package with dimensions 10.2 mm x 7.0 mm x 5.0 mm maximum.

What is the saturation current of this inductor?

Saturation current is 51.2 A typical at 10% inductance drop and 59.8 A typical at 30% drop.

Is the 744303012 AEC-Q200 qualified?

Yes, it is AEC-Q200 Grade 1 qualified.

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