744311220 Fixed inductor, 2.2µH ±20%, shielded wirewound, 9A rated current, 11.4mΩ DCR, surface mount 7040 package.
Mfr Part #:

744311220

Available from 4 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
Fixed inductor, 2.2µH ±20%, shielded wirewound, 9A rated current, 11.4mΩ DCR, surface mount 7040 package.
Total Stock: 2,405 pcs
$ Price Range: $2.58 - $3.80

744311220 Available from 4 distributors

Authorised
Non-Authorised

744311220 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)
Frequency
Height
Inductance
Length
Mounting Type
Operating Temperature
Performance Rated Current
Rated Inductance
Ratings
SVHC Present
Saturation Current (Typical @ |ΔL/L| < 10%)
Shielding
Storage Temperature
Supplier Device Package
Tolerance
Type
Width

744311220 Description

Short technical summary and product information.

The 744311220 is a shielded wirewound fixed inductor from Würth Elektronik's WE-HCI series. It offers an inductance of 2.2 µH with ±20% tolerance, measured at 100 kHz / 100 mV. The component is designed for high current applications with a rated current of 9 A (ΔT = 50 K) and a performance rated current of 10.2 A (ΔT = 40 K per IEC 62024-2-2020).

 

Electrical characteristics include a typical DC resistance of 11.4 mΩ and a self-resonant frequency of 52 MHz. Saturation current is 5.6 A typical at 10% inductance drop and 13 A typical at 30% drop. The inductor is AEC-Q200 qualified, making it suitable for automotive applications.

 

The component is housed in a nonstandard 7040 surface mount package with dimensions 7.00 mm x 6.90 mm x 4.00 mm. It operates over a temperature range of -40°C to +150°C. The inductor is RoHS3 compliant and REACH unaffected, with MSL 1 for moisture sensitivity.

744311220 Quick Information

Product Type: Fixed Inductor
Series: WE-HCI
Canonical Name: WE-HCI SMT High Current Inductor 2.2µH
Subcategory: Fixed Inductors

744311220 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

744311220 Estimated Pricing

Qty Low High
1+ $3.80 $3.80
10+ $3.72 $3.72
50+ $3.44 $3.44
100+ $3.29 $3.29
500+ $3.08 $3.08
1,000+ $2.58 $2.58

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

744311220 Features

  • Shielded wirewound construction for low EMI.
  • Rated current of 9 A at 50 K temperature rise.
  • AEC-Q200 qualified for automotive applications.
  • Self-resonant frequency of 52 MHz typical.
  • Operating temperature range -40°C to +150°C.

744311220 Applications

  • DC-DC converter input/output filtering.
  • Power supply inductor for automotive electronics.
  • High current EMI suppression circuits.
  • Energy storage in switching regulators.

744311220 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance value of the 744311220?

The inductance is 2.2 µH ±20% measured at 100 kHz / 100 mV.

What is the rated current of this inductor?

The rated current is 9 A maximum at ΔT = 50 K. The performance rated current is 10.2 A maximum at ΔT = 40 K per IEC 62024-2-2020.

What is the DC resistance of the 744311220?

The DC resistance is 11.4 mΩ typical.

What is the self-resonant frequency?

The self-resonant frequency is 52 MHz typical.

What is the package size of this inductor?

The inductor comes in a nonstandard 7040 surface mount package with dimensions 7.00 mm x 6.90 mm x 4.00 mm.

What are the saturation current ratings?

Saturation current is 5.6 A typical at 10% inductance drop and 13 A typical at 30% inductance drop.

What is the operating temperature range?

The operating temperature range is -40°C to +150°C.

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