Is there a pin-compatible replacement for CY54-68UH?

No pin-compatible replacement with matching electrical specifications was identified. CY54-100UH shares the same package but has a higher inductance (100µH vs 68µH) and a lower current rating (0.51A vs 0.6A), making it a high-risk downgrade.

What risks should I check before replacing CY54-68UH?

Key risks include package mismatch (SMD vs. through-hole, or different footprint), lower current rating causing overheating, and different inductance or DCR affecting circuit performance and efficiency. Always verify mechanical fit and electrical stress in your application.

CY54-68UH Alternatives, Datasheet & Cross Reference | Shenzhen Hanxia Electronics Co., LTD

Finding a substitute for the CY54-68UH, a 68µH SMD power inductor, requires careful matching of its 5.8x5.2mm package, current rating, and DCR. While some parts offer similar inductance, package differences are a common challenge.

AI replacement insight

Package riskhigh

Most alternatives have different packages (THD) or footprints (larger SMD), requiring board redesign.

Electrical riskmedium

Form-fit options may have lower current ratings or different inductance, impacting performance and safety.

Can it be replaced directly?

There are no known direct, drop-in replacements for the CY54-68UH that match its package and key electrical parameters.

Best replacement path

No direct replacement found. The best path is to evaluate functional alternatives that require a PCB layout change or accept the performance risks of a mechanically similar but electrically different part like CY54-100UH.

Main risk

The primary risk is mechanical incompatibility. Most electrically suitable alternatives have different packages or footprints, requiring a board redesign.

Recommended alternatives

High-performance alternative with much higher current, but requires a larger PCB footprint.

View details

Alternative comparison matrix

Feature / factor	CY54-68UH	FCH1365-680M	PK0810-680MB	CY54-100UH	Compatibility / risk
Package	SMD, 5.8x5.2mm	13.7mm x 12.8mm	Radial, Through Hole	SMD, 5.8x5.2mm	13.7mm x 12.8mm / Radial, Through Hole / SMD, 5.8x5.2mm — Significantly larger footprint requires board redesign.; PK0810-680MB: Requires complete board redesign.; CY54-100UH: Package and footprint match.
Inductance	68 µH	68 µH	68 µH	100 µH	68 µH / 100 µH — matched; PK0810-680MB: matched; CY54-100UH: Higher inductance may affect circuit tuning.
Current	0.6 A	4.5 A	1.2 A	0.51 A	4.5 A / 1.2 A / 0.51 A — Significantly higher current rating.; PK0810-680MB: Higher current handling is an upgrade.; CY54-100UH: Lower current rating poses thermal risk.
Dcr	0.39 Ω	0.103 Ω	0.18 Ω	0.611 Ω	0.103 Ω / 0.18 Ω / 0.611 Ω — Significantly lower DCR improves efficiency.; PK0810-680MB: Lower DCR improves efficiency.; CY54-100UH: Higher DCR reduces efficiency.

Application & sourcing insights

Questions & answers

No direct drop-in replacement was found. Alternatives exist with similar electrical values but require board redesign due to different packages (e.g., through-hole or larger SMD footprints). A same-family part, CY54-100UH, has a different inductance and lower current rating, posing a risk.