Is there a pin-compatible replacement for CMP321609XD120MT?

No pin-compatible replacement with identical or better specifications has been found. The closest physical match, CMP321609XD100KT, has a lower inductance of 10µH, which may not be suitable for all circuits.

What risks should I check before replacing CMP321609XD120MT?

Before replacing, verify your circuit's tolerance for different inductance values. For any power application, it is critical to determine the required saturation current (Isat), as this data is missing for the original part.

CMP321609XD120MT Alternatives, Datasheet & Cross Reference | Guangdong Fenghua Advanced Technology Holding Co., Ltd.

Finding a substitute for the FH CMP321609XD120MT 12µH inductor requires careful trade-offs. While no direct drop-in replacement exists, alternatives are available if you can accommodate a different inductance value or a larger package size.

AI replacement insight

Package riskhigh

Most alternatives are not drop-in compatible.

Electrical riskmedium

Target's missing Isat and inductance differences require validation.

Can it be replaced directly?

No direct, pin-compatible replacement with identical or better specifications has been identified. All options involve a compromise in inductance or package size.

Best replacement path

For a similar footprint, CMP321609XD100KT is closest but has lower inductance (10µH). For new designs, SWPA6045S120MT offers better electricals in a larger package.

Main risk

The primary risk is either package incompatibility or a change in inductance. The target's missing saturation current spec complicates all comparisons.

Recommended alternatives

High-performance electrical upgrade in a very large 12x12mm package, suitable only for new designs.

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Alternative comparison matrix

Feature / factor	CMP321609XD120MT	PSPHAQ127-120M	SWPA6045S120MT	CMP321609XD100KT	Compatibility / risk
Package	1206	12x12mm	6045	1206	12x12mm / 6045 / 1206 — Not a drop-in replacement, requires board redesign.; SWPA6045S120MT: Not a drop-in replacement, requires board redesign.; CMP321609XD100KT: Same EIA package size.
Inductance	12 µH	12 µH	12 µH	10 µH	12 µH / 10 µH — Inductance matches.; SWPA6045S120MT: Inductance matches.; CMP321609XD100KT: Candidate inductance is 16.7% lower.
Current	0.3 A	5.6 A	2.4 A	0.3 A	5.6 A / 2.4 A / 0.3 A — Vastly higher current rating.; SWPA6045S120MT: Significantly higher current rating.; CMP321609XD100KT: Rated current matches.
Dcr	0.55 Ω	0.024 Ω	0.075 Ω max	0.55 Ω	0.024 Ω / 0.075 Ω max / 0.55 Ω — Vastly lower DCR (better efficiency).; SWPA6045S120MT: Significantly lower DCR (better efficiency).; CMP321609XD100KT: DC resistance matches.
Saturation Current	Unknown	-	-	Unknown	Unknown — Missing for both parts, requires user validation.

Application & sourcing insights

Questions & answers

The best alternative depends on your design constraints. For a similar footprint, consider CMP321609XD100KT, but be aware of its lower 10µH inductance. For new designs, SWPA6045S120MT is a strong electrical upgrade in a larger package.