LQM21DH100M70L
Murata Electronics
Needs validationmedium risk
Same 0805 package and current rating, but has higher DCR and wider tolerance. Review required.
Best Alternatives to CMP201209XD100KT
Finding a substitute for the CMP201209XD100KT 10µH 0805 inductor involves balancing package compatibility with electrical parameters like DCR and current rating. Several alternatives exist, but require careful review of datasheet specifications.
AI replacement insight
Electrical riskmedium
DCR and tolerance variations require analysis.
Package riskhigh
High for non-0805 parts, requiring board redesign. Low for 0805 parts.
Sourcing risklow
Multiple vendors offer similar parts.
Can it be replaced directly?
No direct drop-in replacement has been identified. The closest match, LQM21DH100M70L, has a higher DCR and wider tolerance, requiring engineering validation.
Best replacement path
The most viable path is LQM21DH100M70L, which matches the 0805 package, but requires validating the impact of its higher DCR.
Main risk
The primary risks are physical incompatibility from different package sizes and performance degradation due to mismatched electrical parameters like DCR.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | CMP201209XD100KT | LQM21DH100M70L | TFM322512ALMA100MTAA | VLS3012CX-100M-1 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0805 | 0805 (2012 Metric) | 3225 (1210 Metric) | 3030 (1212 Metric) | 0805 (2012 Metric) / 3225 (1210 Metric) / 3030 (1212 Metric) / 2016 (0806 Metric) — Candidate matches target package.; TFM322512ALMA100MTAA: Package is 1210, larger than target's 0805. Not a drop-in.; VLS3012CX-100M-1: Package is 1212, significantly larger than target's 0805. Not a drop-in.; WPN201610H100MT: Package is 0806, slightly larger than target's 0805. Not a drop-in. |
| Inductance | 10 µH | 10 µH | 10 µH | 10 µH | 10 µH — Inductance matches.; TFM322512ALMA100MTAA: Inductance matches.; VLS3012CX-100M-1: Inductance matches.; WPN201610H100MT: Inductance matches. |
| Current | 0.25 A | 0.25 A | 1.6 A | 1.0 A | 0.25 A / 1.6 A / 1.0 A / 0.8 A — Rated current matches.; TFM322512ALMA100MTAA: Significantly higher current rating is a major upgrade.; VLS3012CX-100M-1: Significantly higher current rating is a major upgrade.; WPN201610H100MT: Higher current rating is an upgrade. |
| Dcr | 0.56 Ω | 0.845 Ω | 0.36 Ω | 0.324 Ω | 0.845 Ω / 0.36 Ω / 0.324 Ω / 0.688 Ω — Higher DCR will increase power loss.; TFM322512ALMA100MTAA: Lower DCR is an upgrade, reducing power loss.; VLS3012CX-100M-1: Lower DCR is an upgrade, reducing power loss.; WPN201610H100MT: Slightly higher DCR. |
| Tolerance | ±10% | ±20% | - | - | ±20% — Wider tolerance may affect circuit precision. |
Application & sourcing insights
Questions & answers
LQM21DH100M70L from Murata is a strong candidate in the same 0805 package. However, it has a higher DC resistance (DCR), which may impact efficiency and requires engineering review.