74437324033 The Würth Elektronik 74437324033 is a 3.3 µH shielded molded SMD power inductor from the WE-LHMI series. It features a 3.5 A rated current and a maximum DCR of 76 mΩ.
Mfr Part #:

74437324033

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
The Würth Elektronik 74437324033 is a 3.3 µH shielded molded SMD power inductor from the WE-LHMI series. It features a 3.5 A rated current and a maximum DCR of 76 mΩ.
Total Stock: 8 pcs
$ Price Range: $1.54 - $2.35

74437324033 Available from 1 distributor

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74437324033 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Ambient Temperature
Current
Current Rating (Amps)
DC Resistance (DCR)
Frequency
Halogen Free
Height
Inductance
Inductance (@ 100 kHz, 10 mA)
Length
Material
Military Grade
Mounting Type
Operating Temperature
Product Marking
Rated Current
Rated Voltage
Saturation Current (Typical @ |ΔL/L| < 10%)
Saturation Current (Typical @ |ΔL/L| < 30%)
Shielding
Storage Temperature
Termination Style
Tolerance
Type
Width

74437324033 Description

Short technical summary and product information.

The Würth Elektronik 74437324033 is a shielded, molded SMD power inductor from the WE-LHMI series. It offers a nominal inductance of 3.3 µH with a ±20% tolerance, measured at 100 kHz and 10 mA. The component is designed for high-performance power applications, with a rated current of 3.5 A (ΔT = 40 K per IEC 62024-2-2020 Class C) and typical saturation currents of 2.75 A at 10% inductance drop and 5.45 A at 30% drop.

 

This inductor uses an iron powder core material and features a shielded construction to minimize electromagnetic interference. The DC resistance is typically 69 mΩ with a maximum of 76 mΩ at 20 °C. It has a self-resonant frequency of 40 MHz and a maximum DC operating voltage of 120 V. The component is rated for an ambient temperature range of -40 °C to +85 °C and an operating temperature range of -40 °C to +125 °C.

 

The 74437324033 is housed in a nonstandard SMD package with dimensions of 4.45 mm x 4.06 mm x 2.00 mm. It is RoHS, REACH, and Halogen Free compliant, and has a Moisture Sensitivity Level (MSL) of 1 (unlimited).

74437324033 Quick Information

Product Type: Fixed Inductor
Series: WE-LHMI
Canonical Name: Würth Elektronik WE-LHMI 74437324033 SMD Power Inductor
Subcategory: SMD Power Inductor

74437324033 Compliance

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

74437324033 Estimated Pricing

Qty Low High
1+ $2.35 $2.35
10+ $2.29 $2.29
50+ $2.10 $2.10
100+ $2.01 $2.01
500+ $1.91 $1.91
1,000+ $1.82 $1.82
3,000+ $1.54 $1.54

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

74437324033 Features

  • Shielded molded construction for low EMI.
  • 3.5 A rated current per IEC 62024-2-2020.
  • Low 76 mΩ maximum DC resistance.
  • Iron powder core material.
  • Wide -40°C to +125°C operating range.

74437324033 Applications

  • Used in DC-DC converter output filtering.
  • Suitable for power supply line filtering.
  • Ideal for portable and battery-powered devices.
  • Used in automotive and industrial electronics.

74437324033 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the 74437324033?

The nominal inductance is 3.3 µH at 100 kHz and 10 mA, with a tolerance of ±20%.

What is the rated current of this inductor?

The performance rated current (I RP,40K) is 3.5 A maximum, measured with a 40 K temperature rise per IEC 62024-2-2020 Class C.

What is the DC resistance (DCR) of the 74437324033?

The typical DCR is 69 mΩ and the maximum DCR is 76 mΩ at 20 °C.

What is the self-resonant frequency of this inductor?

The typical self-resonant frequency is 40 MHz.

What is the package size of the 74437324033?

The inductor is in a nonstandard SMD package measuring 4.45 mm x 4.06 mm x 2.00 mm.

Is the 74437324033 shielded?

Yes, it is a shielded molded inductor.

What is the operating temperature range?

The operating temperature range is -40 °C to +125 °C.

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