74437349012 The 74437349012 is a 1.2 µH shielded molded SMD power inductor from Würth Elektronik. It offers a rated current of 12.4 A and a maximum DCR of 7.5 mΩ.
Mfr Part #:

74437349012

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
The 74437349012 is a 1.2 µH shielded molded SMD power inductor from Würth Elektronik. It offers a rated current of 12.4 A and a maximum DCR of 7.5 mΩ.
Total Stock: 22 pcs
$ Price Range: $1.57 - $2.31

74437349012 Available from 1 distributor

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74437349012 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
Length
Material
Military Grade
Mounting Type
Operating Temperature
Operating Voltage
Rated Current (ΔT=40K)
Saturation Current (Typical @ |ΔL/L| < 10%)
Saturation Current (Typical @ |ΔL/L| < 30%)
Shielding
Storage Temperature
Tape & Reel
Tolerance
Type
Width

74437349012 Description

Short technical summary and product information.

The 74437349012 is a WE-LHMI series SMT power inductor from Würth Elektronik. It is a shielded, molded component with an iron powder core, designed for surface mount applications. The inductor has a nominal inductance of 1.2 µH with a ±20% tolerance, measured at 100 kHz and 10 mA.

 

Electrically, this part features a performance rated current of 12.4 A (ΔT=40 K) and typical saturation currents of 12 A at 10% inductance drop and 24 A at 30% drop. The DC resistance is 7.5 mΩ maximum and 7.2 mΩ typical. It has a typical self-resonant frequency of 45 MHz and a maximum operating voltage of 120 V DC.

 

The component is housed in a nonstandard package measuring 7.30 mm x 6.60 mm with a height of 5.00 mm. It operates over a temperature range of -40°C to +125°C and has an ambient temperature range of -40°C to +85°C. The moisture sensitivity level is MSL 1 (unlimited).

74437349012 Quick Information

Product Type: Fixed Inductor
Series: WE-LHMI
Canonical Name: WE-LHMI SMT Power Inductor
Subcategory: Shielded Molded Inductor

74437349012 Compliance

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

74437349012 Estimated Pricing

Qty Low High
1+ $2.31 $2.31
10+ $2.27 $2.27
50+ $2.09 $2.09
100+ $1.92 $1.92
800+ $1.57 $1.57

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

74437349012 Features

  • Shielded molded construction for low EMI.
  • Iron powder core material for high saturation.
  • Rated current of 12.4 A at 40 K rise.
  • Low DCR of 7.5 mΩ maximum.
  • MSL 1 for unlimited floor life.

74437349012 Applications

  • Ideal for high-current power supply circuits.
  • Used in DC-DC converter output filtering.
  • Suitable for voltage regulator module designs.
  • Applicable in automotive and industrial electronics.

74437349012 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the 74437349012?

The inductance is 1.2 µH at 100 kHz / 10 mA.

What is the rated current of this inductor?

The performance rated current (ΔT=40 K) is 12.4 A.

What is the DC resistance of the 74437349012?

The DC resistance is 7.5 mΩ maximum and 7.2 mΩ typical at 20 °C.

What is the self-resonant frequency?

The typical self-resonant frequency is 45 MHz.

What is the package size of this inductor?

The package is nonstandard with dimensions 7.30 mm x 6.60 mm and a height of 5.00 mm.

Is the 74437349012 RoHS compliant?

Yes, it is RoHS3 compliant per 2011/65/EU and 2015/863.

What is the operating temperature range?

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

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