744778002

The WE-PD SMT Shielded Power Inductor, part number 744778002 from Würth Elektronik, is designed for general electronic equipment. This component features a nominal inductance of 2.2 µH with a ±20% tolerance, tested at 1 kHz and 250 mV. It has a rated current of 4.02 A at a 40 K temperature rise and a performance rated current of 6.6 A under specific IEC conditions.

Electrical characteristics include a typical DC resistance of 14 mΩ and a maximum of 20 mΩ at 20 °C. The saturation current is typically 4.8 A at 10% inductance drop and 6 A at 30% inductance drop. It boasts a self-resonant frequency of 67 MHz and a maximum operating voltage of 120 V.

This inductor operates within an ambient temperature range of -40 to +85 °C and an operating temperature range of -40 to +125 °C. It is constructed for surface mounting (SMT) with dimensions of 7.3 x 7.3 x 3.2 x 2.0 mm. The recommended land pattern is 4.8 x 2.2 mm, with a note to avoid vias and sensitive traces underneath the component.

Compliance certifications include RoHS3, REACh, and Halogen Free. The component qualification is AEC-Q200 Grade 1, indicating suitability for demanding applications. Storage conditions require less than 40 °C and 75% RH, with a Moisture Sensitivity Level (MSL) of 1.