7443551370 Shielded wirewound inductor from Würth Elektronik, 3.7 µH inductance, 17 A rated current, 4.9 mΩ DCR, surface mount package.
Mfr Part #:

7443551370

Available from 2 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
Shielded wirewound inductor from Würth Elektronik, 3.7 µH inductance, 17 A rated current, 4.9 mΩ DCR, surface mount package.
Total Stock: 476 pcs
$ Price Range: $2.38 - $3.48

7443551370 Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
400 pcs
400 pcs On Request 1 On Request On Request N/A On Request On Request
Non-Authorised Inventory information
76 pcs
76 pcs On Request 1 On Request On Request On Request On Request On Request

7443551370 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Ambient Temperature (for Rated Current)
Automotive Grade
Current
Current Rating (Amps)
DC Resistance
DC Resistance (DCR)
Frequency
Halogen Free
Height
Inductance
Inductance (Typical @ 100 kHz/ 100 mV/ 17.0 A)
Length
Mounting Type
Operating Temperature
Rated Current (Maximum @ ΔT = 50 K)
Rated Current (Maximum @ ΔT=40 K (IEC 62024-2-2020)
Ratings
Saturation Current (Typical @ |ΔL/L| < 10%)
Saturation Current (Typical @ |ΔL/L| < 30%)
Self Resonant Frequency
Shielding
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Type
Width

7443551370 Description

Short technical summary and product information.

This is a shielded wirewound inductor from Würth Elektronik's WE-HCI series, designed for high current applications. It offers a nominal inductance of 3.7 µH with ±20% tolerance, measured at 100 kHz and 100 mV. The rated inductance at 17 A is 2.6 µH typical.

 

The inductor is rated for a maximum current of 17 A with a temperature rise of 50 K, and a performance rated current of 18.3 A at 40 K rise per IEC 62024-2-2020. Saturation current is 7 A typical at 10% inductance drop and 16 A typical at 30% drop. DC resistance is 4.9 mΩ ±10%, and self-resonant frequency is 26 MHz typical.

 

The component is AEC-Q200 qualified for automotive applications, with an operating temperature range of -40°C to 155°C. It is shielded to minimize EMI, and comes in a surface mount package measuring 13.00 mm x 12.80 mm x 6.50 mm. Moisture sensitivity level is MSL 1 (unlimited), and it is RoHS and REACH compliant.

7443551370 Quick Information

Product Type: Fixed Inductor
Series: WE-HCI
Canonical Name: WE-HCI SMT High Current Inductor, 3.7 µH, 17 A, Shielded
Subcategory: High Current Inductor

7443551370 Compliance

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

7443551370 Estimated Pricing

Qty Low High
1+ $3.48 $3.48
10+ $3.41 $3.41
50+ $3.15 $3.15
100+ $3.02 $3.02
200+ $2.82 $2.82
400+ $2.38 $2.38

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

7443551370 Features

  • Shielded wirewound construction for low EMI.
  • Rated current up to 17 A at 50 K rise.
  • AEC-Q200 qualified for automotive use.
  • Surface mount package, 13.0 x 12.8 x 6.5 mm.
  • RoHS and REACH compliant, MSL 1.

7443551370 Applications

  • Used in DC-DC converter output filtering.
  • Suitable for automotive power management systems.
  • Ideal for high current power supply designs.
  • Applicable in industrial and consumer electronics.

7443551370 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the 7443551370?

The nominal inductance is 3.7 µH with ±20% tolerance, measured at 100 kHz and 100 mV.

What is the rated current?

The rated current is 17 A max at ΔT=50K, and the performance rated current is 18.3 A max at ΔT=40K per IEC 62024-2-2020.

What is the DC resistance?

The DC resistance is 4.9 mΩ nominal with ±10% tolerance at 20°C.

What is the self-resonant frequency?

The self-resonant frequency is 26 MHz typical.

What is the package size and mounting type?

The package is a nonstandard surface mount case measuring 13.00 mm x 12.80 mm x 6.50 mm.

Is this inductor shielded?

Yes, it is shielded.

Is the 7443551370 AEC-Q200 qualified?

Yes, it has AEC-Q200 rating.

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