744071039 Shielded SMD power inductor from Würth Elektronik's WE-TPC series. Inductance 3.9 µH, rated current 4.9 A, DC resistance 17 mΩ max.
Mfr Part #:

744071039

Available from 1 distributors
Mfr Name: Würth Elektronik
Würth Elektronik
Shielded SMD power inductor from Würth Elektronik's WE-TPC series. Inductance 3.9 µH, rated current 4.9 A, DC resistance 17 mΩ max.
✓ Total Stock: 20 pcs
$ Price Range: $1.63 - $2.13

744071039 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
20 pcs
20 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

744071039 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
Industrial Grade
Length
Material
Medical Grade
Military Grade
Mounting Type
Operating Temperature
SVHC Present
Shielding
Storage Temperature
Tape & Reel
Tolerance
Type
Width

744071039 Description

Short technical summary and product information.

The Würth Elektronik 744071039 is a shielded SMD power inductor from the WE-TPC 8043 series. It comes in a nonstandard 8043 package (8.00 mm x 8.00 mm x 4.30 mm) suitable for surface mount assembly.

 

It offers an inductance of 3.9 µH with ±30% tolerance, measured at 100 kHz and 10 mA. The rated current is 4.9 A (ΔT = 40 K) with a saturation current of 4.5 A typical. DC resistance is 13 mΩ typical and 17 mΩ maximum. Self-resonant frequency is 40 MHz typical.

 

Operating temperature range is -40°C to +125°C. The component is RoHS3 compliant, REACH conform, and halogen free. Moisture sensitivity level is MSL 1.

 

Typical applications include DC-DC converters, power supplies, and EMI filtering in compact electronic devices.

744071039 Quick Information

Product Type: Fixed Inductor
Series: WE-TPC 8043
Canonical Name: Würth Elektronik WE-TPC 8043 Shielded SMD Power Inductor, 3.9 µH, 4.9 A, 17 mΩ
Subcategory: Shielded Power Inductor

744071039 Compliance

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

744071039 Estimated Pricing

Qty Low High
1+ $2.13 $2.13
10+ $2.04 $2.04
50+ $1.90 $1.90
100+ $1.77 $1.77
300+ $1.63 $1.63

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

744071039 Features

  • Shielded ferrite core for low EMI.
  • Rated current of 4.9 A maximum.
  • Low DC resistance of 17 mΩ max.
  • Self-resonant frequency of 40 MHz.
  • RoHS3 compliant and halogen free.

744071039 Applications

  • Used in DC-DC converter output filters.
  • Ideal for power supply EMI suppression.
  • Suitable for portable electronic devices.
  • Applied in automotive power management.

744071039 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the 744071039?

3.9 µH ±30% at 100 kHz, 10 mA.

What is the rated current?

4.9 A maximum (ΔT = 40 K).

What is the DC resistance?

13 mΩ typical, 17 mΩ maximum at 20°C.

What is the self-resonant frequency?

40 MHz typical.

What is the package size?

Nonstandard 8043 (8.00 mm x 8.00 mm x 4.30 mm).

Is it shielded?

Yes, shielded.

What is the operating temperature range?

-40°C to +125°C.

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