744774118 The Würth Elektronik 744774118 is an unshielded drum core wirewound SMD power inductor with 18 µH inductance, ±20% tolerance, and 1.45 A rated current.
Mfr Part #:

744774118

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
The Würth Elektronik 744774118 is an unshielded drum core wirewound SMD power inductor with 18 µH inductance, ±20% tolerance, and 1.45 A rated current.
Total Stock: 725 pcs
$ Price Range: $1.20 - $1.88

744774118 Available from 1 distributor

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725 pcs
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744774118 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Ambient Temperature (referring to IR)
Automotive Grade
Current
Current Rating (Amps)
DC Resistance (DCR)
Frequency
Halogen Free
Height
Inductance
Industrial Grade
Length
Material
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Operating Voltage
SVHC Present
Shielding
Storage Temperature
Tape & Reel
Tolerance
Type
Width

744774118 Description

Short technical summary and product information.

The Würth Elektronik 744774118 is a surface-mount power inductor from the WE-PD2 series. It features a drum core, wirewound construction with a ferrite core and is unshielded. The inductor provides 18 µH inductance with ±20% tolerance, measured at 10 kHz/100 mV.

 

Electrical characteristics include a rated current of 1.45 A (ΔT = 40 K) and a typical saturation current of 1.69 A (|ΔL/L| < 10%). DC resistance is 0.104 Ω typical and 0.15 Ω maximum at 20 °C. The self-resonant frequency is 21 MHz typical, and the maximum operating voltage is 120 V DC.

 

The component is designed for general electronic equipment and operates over a temperature range of -40 °C to +125 °C. It is RoHS3 compliant, REACH conform, and halogen free. The moisture sensitivity level is 1 (unlimited).

 

The package measures 5.80 mm x 5.20 mm with a seated height of 4.85 mm. It is suitable for surface mount assembly and is available in a nonstandard package.

744774118 Quick Information

Product Type: Fixed Inductor
Series: WE-PD2
Canonical Name: Würth Elektronik 744774118 WE-PD2 SMT Power Inductor, 18 µH, ±20%, 1.45 A, Unshielded
Subcategory: Wirewound Inductor

744774118 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 75
REACH Status: REACH Unaffected
Lead Free: Yes

744774118 Estimated Pricing

Qty Low High
1+ $1.88 $1.88
10+ $1.80 $1.80
50+ $1.62 $1.62
100+ $1.50 $1.50
250+ $1.44 $1.44
500+ $1.32 $1.32
1,500+ $1.20 $1.20

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

744774118 Features

  • 18 µH inductance with ±20% tolerance.
  • Rated current of 1.45 A at 40 K rise.
  • Unshielded drum core wirewound construction.
  • Surface mount package, 5.8 x 5.2 mm.
  • RoHS3 compliant and halogen free.

744774118 Applications

  • Suitable for DC-DC converter output filtering.
  • Used in power supply inductor applications.
  • Ideal for general electronic equipment designs.
  • Works in surface mount power circuits.

744774118 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the inductance of the 744774118?

The inductance is 18 µH with ±20% tolerance, measured at 10 kHz/100 mV.

What is the rated current of the 744774118?

The rated current is 1.45 A maximum, based on a temperature rise of 40 K.

What is the DC resistance of the 744774118?

The DC resistance is 0.104 Ω typical and 0.15 Ω maximum at 20 °C.

What is the self-resonant frequency of the 744774118?

The self-resonant frequency is 21 MHz typical.

What is the package size of the 744774118?

The package dimensions are 5.80 mm x 5.20 mm with a seated height of 4.85 mm.

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