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7443551280 Fixed inductor 2.8 µH, 20 A, 3.3 mΩ DCR, shielded wirewound, surface mount. AEC-Q200 qualified for automotive applications.
Mfr Part #:

7443551280

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
Fixed inductor 2.8 µH, 20 A, 3.3 mΩ DCR, shielded wirewound, surface mount. AEC-Q200 qualified for automotive applications.
✓ Total Stock: 143 pcs
$ Price Range: $2.38 - $3.48

7443551280 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
143 pcs
On Request
143 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

7443551280 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
Halogen Free
Height
Inductance
Length
Mounting Type
Operating Temperature
Performance Rated Current
Rated Inductance
Ratings
Saturation Current (Typical @ |ΔL/L| < 10%)
Shielding
Supplier Device Package
Tolerance
Type
Width
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7443551280 Description

Short technical summary and product information.

The Würth Elektronik 7443551280 is a fixed inductor from the WE-HCI series, designed for high current applications. It has an inductance of 2.8 µH with ±20% tolerance, tested at 100 kHz / 100 mV. The rated current is 20 A max at ΔT=50 K, with a performance rated current of 22.5 A at ΔT=40 K. Saturation current is 8 A typ at 10% inductance drop and 17.5 A typ at 30% drop. DC resistance is 3.3 mΩ ±10% at 20°C. Self-resonant frequency is 35 MHz typ. The inductor is shielded and wirewound, with a nonstandard package size 1365 (13.00 mm x 12.80 mm x 6.50 mm). Operating temperature range is -40°C to +155°C. It is AEC-Q200 qualified and RoHS3 compliant. This component is suitable for power supply filtering, DC-DC converters, and automotive electronics where high current and low DCR are required.

7443551280 Quick Information

Product Type: Fixed Inductor
Series: WE-HCI
Canonical Name: Würth Elektronik 7443551280 WE-HCI SMT High Current Inductor
Subcategory: High Current Inductor

7443551280 Compliance

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

7443551280 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.

7443551280 Features

  • Shielded wirewound construction for low EMI.
  • Rated current of 20 A max at 50K rise.
  • AEC-Q200 qualified for automotive applications.
  • Wide operating temperature range -40°C to +155°C.
  • Low DC resistance of 3.3 mΩ typical.

7443551280 Applications

  • Ideal for high current DC-DC converters.
  • Used in automotive power supply filtering.
  • Suitable for energy storage applications.

7443551280 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the 7443551280?

2.8 µH with ±20% tolerance, measured at 100 kHz and 100 mV.

What is the rated current of this inductor?

20 A max at a temperature rise of 50 K, and 22.5 A max at 40 K rise.

What is the DC resistance of the 7443551280?

3.3 mΩ ±10% at 20°C.

What is the self-resonant frequency?

35 MHz typical.

What is the package size of the 7443551280?

Nonstandard package 1365, dimensions 13.00 mm x 12.80 mm x 6.50 mm, surface mount.

What is the operating temperature range?

-40°C to +155°C.

Is the 7443551280 AEC-Q200 qualified?

Yes, it is AEC-Q200 qualified for automotive applications.

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