Is there a pin-compatible replacement for CMP321609UD2R2KT?

Currently, no pin-compatible (1206 package) replacement with comparable or better electrical specifications has been identified. All strong candidates require a change in the PCB footprint.

What risks should I check before replacing CMP321609UD2R2KT?

The main risk is the package mismatch, requiring a PCB respin. Also, verify that the looser inductance tolerance (typically ±20% for alternatives vs. ±10% for the original) is acceptable for your circuit's performance.

CMP321609UD2R2KT Alternatives, Datasheet & Cross Reference | Guangdong Fenghua Advanced Technology Holding Co., Ltd.

Finding a replacement for the CMP321609UD2R2KT 2.2µH inductor involves balancing electrical upgrades with physical compatibility. While no direct drop-in replacements were found, several functional alternatives offer superior current handling and efficiency but require a PCB layout change.

AI replacement insight

Package riskhigh

Not a drop-in replacement; requires new PCB layout.

Electrical risklow

Candidates offer better current/DCR, but tolerance is looser (±20% vs ±10%).

Can it be replaced directly?

No direct, pin-compatible replacement for CMP321609UD2R2KT has been identified. All suitable electrical alternatives are in different package sizes.

Best replacement path

Select a functional alternative like the Sunlord WPN or INPAQ WIP series if a board redesign is possible, offering significant electrical performance improvements.

Main risk

The primary risk is the package mismatch, which prevents a drop-in replacement and necessitates a PCB layout modification.

Recommended alternatives

Functional alternative with higher current and lower DCR, but in a different package size requiring board redesign.

View details

Alternative comparison matrix

Feature / factor	CMP321609UD2R2KT	WIP252012P-2R2ML	WPN252012H2R2MTY01	WPN3012H2R2MT	Compatibility / risk
Package	1206	2520 (1008)	2520 (1008)	3012	2520 (1008) / 3012 — Not a drop-in replacement; requires PCB layout change.; WPN252012H2R2MTY01: Not a drop-in replacement; requires PCB layout change.; WPN3012H2R2MT: Not a drop-in replacement; requires PCB layout change.
Current	0.9A	2.06A	1.9A	2.05A	2.06A / 1.9A / 2.05A — Higher current rating offers more design margin.; WPN252012H2R2MTY01: Higher current rating offers more design margin.; WPN3012H2R2MT: Higher current rating offers more design margin.
Dcr	0.24Ω	0.085Ω	0.1Ω	0.09Ω	0.085Ω / 0.1Ω / 0.09Ω — Lowest DCR among candidates, very efficient.; WPN252012H2R2MTY01: Significantly lower DCR improves efficiency.; WPN3012H2R2MT: Significantly lower DCR improves efficiency.
Tolerance	±10%	±20%	±20%	±20%	±20% — Looser tolerance may affect precision circuits.; WPN252012H2R2MTY01: Looser tolerance may affect precision circuits.; WPN3012H2R2MT: Looser tolerance may affect precision circuits.
Temperature	-40°C to +85°C	-	-	-40°C to +125°C	-40°C to +125°C — Wider operating range.

Application & sourcing insights

Questions & answers

The best alternatives, such as the Sunlord WPN or INPAQ WIP series, offer higher current ratings and lower DCR. However, they come in different packages (e.g., 1008, 3012) and require a board redesign.