Last-buy window — plan your final order
Murata lists the LQH31MN1R5J03L as Last Buy — this is the final production run. If this inductor is on your BOM, now is the time to secure lifetime buy quantities or qualify a replacement.
1.5 µH, 155 mA — fits DC-DC output filtering and bias decoupling
The 1.5 µH inductance at 1 MHz test frequency with ±5% tolerance suits low-current DC-DC converter output filters and bias line decoupling where tight inductance tolerance keeps the cutoff frequency stable. Rated 155 mA continuous with a maximum DC resistance of 1.3 Ohm — the DCR sets the I²R heating floor, so at full rated current the self-heating is about 31 mW, well within the 85°C ambient limit.
1206 footprint, unshielded — board-layout considerations
Drum core wirewound on a ferrite core — the wirewound construction gives higher Q (35 at 10 MHz) than multilayer ferrite beads, making it a better choice for tuned circuits or low-loss filtering up to the 75 MHz self-resonant frequency.