Is there a pin-compatible replacement for CMPI0630-4R7M?

CYA0650-4.7UH is a potential pin-compatible replacement. It has the same 2-pin SMD configuration and very similar dimensions. As a precaution, it is critical to compare its datasheet land pattern with your existing PCB layout before assembly.

What risks should I check before replacing CMPI0630-4R7M?

Before replacing, check three key factors: 1) Current Ratings: Ensure the replacement's RMS (Irms) and saturation (Isat) currents are equal to or greater than the original's 5.5A and 6.5A. 2) DCR: A lower DC Resistance is better for efficiency. 3) Package Footprint: Verify the physical dimensions and land pattern match your PCB layout.

CMPI0630-4R7M Alternatives, Datasheet & Cross Reference | Ceaiya

Find the best replacement for the CMPI0630-4R7M, a 4.7µH power inductor. This guide analyzes pin-compatible upgrades and functional alternatives, focusing on critical parameters like current rating, DCR, and package size.

AI replacement insight

Electrical risklow

Top candidates offer superior current handling and lower DCR, reducing electrical stress.

Package riskmedium

Even close matches require footprint verification. Functional alternatives require a complete board redesign.

Sourcing risklow

Multiple vendors offer inductors with similar core specifications, providing sourcing flexibility.

Can it be replaced directly?

CYA0650-4.7UH is a potential direct replacement for CMPI0630-4R7M, pending verification of its slightly different package dimensions (6.8x6.5mm vs 7.1x6.6mm).

Best replacement path

CYA0650-4.7UH is the best replacement path, offering superior electrical performance in a nearly identical package. Verification of the PCB land pattern is recommended.

Main risk

The primary risk when replacing CMPI0630-4R7M is ensuring the substitute's package is physically compatible with the existing PCB layout.

Recommended alternatives

An electrical upgrade with higher current ratings and lower DCR in a very similar package size.

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Alternative comparison matrix

Feature / factor	CMPI0630-4R7M	CYA0650-4.7UH	SMMS1050-4R7M	Compatibility / risk
Inductance	4.7 µH	4.7 µH	4.7 µH	4.7 µH — Inductance matches target.; SMMS1050-4R7M: Inductance matches target.
Current	5.5 A	6.0 A	9.5 A	6.0 A / 9.5 A — Higher RMS current rating provides more thermal margin.; SMMS1050-4R7M: Significantly higher RMS current rating.
Saturation Current	6.5 A	8.0 A	14.0 A	8.0 A / 14.0 A — Higher saturation current prevents inductance drop under load.; SMMS1050-4R7M: Significantly higher saturation current.
Dcr	42 mΩ	26 mΩ	12.4 mΩ	26 mΩ / 12.4 mΩ — Lower DCR improves efficiency by reducing copper losses.; SMMS1050-4R7M: Significantly lower DCR improves efficiency.
Package	7.1x6.6mm	6.8x6.5mm	11.5x10.0mm	6.8x6.5mm / 11.5x10.0mm — Package size is very similar, but land pattern must be verified.; SMMS1050-4R7M: Package is much larger and not a drop-in replacement.

Application & sourcing insights

Questions & answers

The best alternative is CYA0650-4.7UH, which offers higher current ratings and lower resistance in a very similar package. However, you must verify the PCB footprint. For new designs, parts like SMMS1050-4R7M are excellent electrical upgrades if you can accommodate a larger package.