Inductor Alternative Sourcing
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Table
| Part | Inductance | Rated Current (I max) | DCR (max) | Footprint | Mount | Simulation Support | Trade-offs |
|---|---|---|---|---|---|---|---|
| DO3316P-333MLD | 33 µH | 2.1 A | 100 mΩ | IND-SMD_L12.5-W12.5 | Surface Mount | Includes SPICE symbol & netlist in Flux library | • 30% lower current rating vs. SRR1260A-330M (3 A)• ~1.7× higher DCR (→ more I²R loss)• Smaller core loss at high frequency |
- I max derated per knowledge-base: DO3316P’s 2.1 A rating still meets typical 60%-saturation rule for ≤1.3 A continuous.
- DCR is higher, so expect ~2× more copper losses.
- Footprint matches 12 × 12 mm, so it’s a mechanical drop-in.
- SPICE model is supplied out-of-the-box, so you can run PCB-level power-rail simulations immediately.
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