What risks should I check before replacing CY54-4.7UH?

The main risk is the physical package difference; you must verify the new component's footprint and height fit your design and modify the PCB layout. While most alternatives are electrically superior, you should still confirm the DCR and current ratings meet your circuit's efficiency and power requirements.

CY54-4.7UH Alternatives, Datasheet & Cross Reference | Shenzhen Hanxia Electronics Co., LTD

Finding a substitute for the CY54-4.7UH, a 4.7µH power inductor, involves balancing electrical needs with physical constraints. While no direct drop-in replacements exist, several functional upgrades offer improved performance if a PCB layout change is possible.

AI replacement insight

Package riskhigh

No candidates match the 5.8x5.2mm package. PCB redesign is required.

Electrical risklow

Many alternatives offer superior current handling and lower DCR, reducing electrical stress.

Sourcing risklow

Alternatives are from major manufacturers like Panasonic and TDK, with good availability.

Can it be replaced directly?

Direct replacement for CY54-4.7UH should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Select an electrically superior alternative like the Panasonic ETQP3M4R7KVN and modify the PCB layout to accommodate its slightly larger footprint.

Main risk

The primary risk is the package mismatch. Replacing the CY54-4.7UH requires a mandatory PCB redesign to fit the new component's footprint.

Recommended alternatives

A functional upgrade with higher current and wider temperature range, but requires a larger footprint.

View details

Alternative comparison matrix

Feature / factor	CY54-4.7UH	ETQP3M4R7KVN	CYA0650-4.7UH	VLS6045EX-4R7M-H	Compatibility / risk
Inductance	4.7 µH	4.7 µH	4.7 µH	4.7 µH	4.7 µH — Inductance matches target.; CYA0650-4.7UH: Inductance matches target.; VLS6045EX-4R7M-H: Inductance matches target.
Current	3.1 A (IDC)	4.6 A (RMS), 9.8 A (Sat)	6.0 A (RMS), 8.0 A (Sat)	4.2 A (RMS), 5.8 A (Sat)	4.6 A (RMS), 9.8 A (Sat) / 6.0 A (RMS), 8.0 A (Sat) / 4.2 A (RMS), 5.8 A (Sat) — Significantly higher current handling.; CYA0650-4.7UH: Significantly higher current handling.; VLS6045EX-4R7M-H: Higher current handling.
Dcr	52 mΩ	29 mΩ	29 mΩ	27 mΩ	29 mΩ / 27 mΩ — Lower DCR improves efficiency.; CYA0650-4.7UH: Lower DCR improves efficiency.; VLS6045EX-4R7M-H: Lower DCR improves efficiency.
Package	5.8x5.2mm	6.4x6.0mm	6.5x6.5mm (est.)	6.0x6.3mm	6.4x6.0mm / 6.5x6.5mm (est.) / 6.0x6.3mm — Larger footprint requires layout change.; CYA0650-4.7UH: Larger footprint requires layout change.; VLS6045EX-4R7M-H: Slightly larger footprint requires layout change.
Temperature	-55°C to +125°C	-55°C to +155°C	-	-	-55°C to +155°C — Wider operating temperature range.

Application & sourcing insights

Questions & answers

Verified drop-in options for CY54-4.7UH are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.