| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
20 pcs
|
20 pcs | On Request | 1 | On Request | On Request | 2026-02-25 06:16:38 | On Request | On Request |
| Category | |
| Manufacturer Name | |
| AEC Qualified | |
| Ambient Temperature Range (for rated current) | |
| Automotive Grade | |
| Current | |
| Current Rating (Amps) | |
| DC Resistance (DCR) | |
| DC Resistance (Typical/Maximum @ @ 20 °C) | |
| 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 |
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.
| 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.
3.9 µH ±30% at 100 kHz, 10 mA.
4.9 A maximum (ΔT = 40 K).
13 mΩ typical, 17 mΩ maximum at 20°C.
40 MHz typical.
Nonstandard 8043 (8.00 mm x 8.00 mm x 4.30 mm).
Yes, shielded.
-40°C to +125°C.