INDUCTOR 1812 CASE 3.9µH; Product Range:WE-LQ Series; Inductance:3.9µH; RMS Current (Irms):1.32A; Saturation Current (Isat):2.5A; Inductor Construction:Unshielded; DC Resistance Max:0.14ohm; Power Inductor Case:4.5mm x 3.2mm x 2.6mm; Inductance Tolerance:± 20%; Packaging:Cut Tape; External Depth:3.2mm; External Length / Height:2.6mm; External Width:4.5mm; Operating Temperature Max:125°C; Operating Temperature Min:-40°C; Q Factor:40; Q Test Frequency:1MHz; Resonant Frequency:54MHz; Self Resonant Frequency Min:54MHz; Test Frequency:1MHz