Active production, shielded 33µH wirewound for power filtering
The Murata LQH32PB330MN0L is an active-production drum-core wirewound inductor from the LQH32 series, shielded to contain magnetic flux and rated at 33 µH with a ±20% tolerance. It handles a continuous current of 390 mA (rated) and saturates at 380 mA, with a maximum DC resistance of 1.38 Ω — the DCR figure sets the I²R loss and self-heating in the power path.
Temperature range and self-resonant frequency
A self-resonant frequency of 13 MHz means the inductor behaves as an inductor well below that point; above SRF the impedance becomes capacitive, so this part suits DC-DC switching regulators switching in the hundreds-of-kHz to low-MHz range.
1210 footprint and board integration
The shielded construction reduces radiated EMI into adjacent traces and components — a practical advantage when the inductor sits close to sensitive analog or RF stages on the same board.