744770133 The Würth Elektronik 744770133 is a 33 µH shielded wirewound power inductor rated for 3.6 A (ΔT=40K) with a typical DCR of 44 mΩ. It is AEC-Q200 qualified and operates from -40°C to +125°C.
Mfr Part #:

744770133

Available from 3 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
The Würth Elektronik 744770133 is a 33 µH shielded wirewound power inductor rated for 3.6 A (ΔT=40K) with a typical DCR of 44 mΩ. It is AEC-Q200 qualified and operates from -40°C to +125°C.
Total Stock: 1,414 pcs
$ Price Range: $1.24 - $2.10

744770133 Available from 3 distributors

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791 pcs
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373 pcs
373 pcs On Request 1 On Request On Request On Request On Request On Request
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250 pcs
250 pcs On Request 1 On Request On Request On Request On Request On Request

744770133 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Current
Current Rating (Amps)
DC Resistance (DCR)
DC Resistance (Typical/Maximum @ @ 20 °C)
Frequency
Halogen Free
Height
Inductance
Industrial Grade
Length
Material
Mounting Type
Operating Temperature
Operating Voltage
Performance Rated Current (ΔT=40K)
Ratings
Saturation Current (Typical @ |ΔL/L| < 30%)
Shielding
Storage Temperature
Tape & Reel
Tolerance
Type
Width

744770133 Description

Short technical summary and product information.

The Würth Elektronik 744770133 is a surface-mount, shielded wirewound power inductor from the WE-PD series. It features a ferrite core and a drum core construction, providing an inductance of 33 µH with ±20% tolerance. The component is rated for a maximum DC current of 3.6 A (ΔT=40K) and a performance rated current of 4.7 A, with saturation currents of 3.9 A (10% drop) and 5.05 A (30% drop).

 

With a typical DC resistance of 44 mΩ (maximum 53 mΩ) and a self-resonant frequency of 8.5 MHz, this inductor is suitable for power supply and filtering applications. It can handle a maximum operating voltage of 120 V DC and operates over a temperature range of -40°C to +125°C.

 

The inductor is AEC-Q200 qualified, making it suitable for automotive applications. It is RoHS3 compliant, REACH conform, and halogen-free. The component is supplied in a nonstandard package with dimensions of 12.0 mm x 12.0 mm and a maximum height of 8.0 mm. It has an MSL of 1 (unlimited).

744770133 Quick Information

Product Type: Fixed Inductor
Series: WE-PD
Canonical Name: 33 µH Shielded Wirewound Inductor
Subcategory: Power Inductor

744770133 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 75
REACH Status: REACH Conform or declared
Lead Free: Yes

744770133 Estimated Pricing

Qty Low High
1+ $2.10 $2.10
10+ $1.99 $1.99
25+ $1.97 $1.97
50+ $1.87 $1.87
100+ $1.75 $1.75
250+ $1.60 $1.60
500+ $1.40 $1.40
1,000+ $1.24 $1.24

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

744770133 Features

  • 33 µH inductance with ±20% tolerance.
  • Rated current of 3.6 A at ΔT=40K.
  • Typical DCR of 44 mΩ at 20°C.
  • AEC-Q200 qualified for automotive use.
  • Shielded ferrite core wirewound construction.

744770133 Applications

  • Suitable for power supply filtering circuits.
  • Used in automotive electronic control units.
  • Ideal for DC-DC converter output filtering.
  • Applicable in noise suppression applications.

744770133 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance and tolerance of the 744770133?

The inductance is 33 µH with a tolerance of ±20%.

What is the rated current of the 744770133?

The rated current is 3.6 A (ΔT=40K), with a performance rated current of 4.7 A.

What is the DC resistance of the 744770133?

The typical DC resistance is 44 mΩ, with a maximum of 53 mΩ at 20°C.

What is the self-resonant frequency of the 744770133?

The self-resonant frequency is 8.5 MHz (typical).

What is the package size of the 744770133?

The package is nonstandard, with dimensions of 12.0 mm x 12.0 mm and a maximum height of 8.0 mm.

Is the 744770133 qualified for automotive applications?

Yes, it is AEC-Q200 qualified.

What is the operating temperature range of the 744770133?

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

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