Is there a pin-compatible replacement for CY43-6.8UH?

No, there are no pin-compatible replacements currently identified for the CY43-6.8UH. All functional alternatives are in different, larger packages that require a new PCB layout.

What risks should I check before replacing CY43-6.8UH?

The main risk is the physical package mismatch, which requires a board redesign. You should also verify the candidate's operating temperature range and DC Resistance (DCR) to ensure they meet your application's thermal and efficiency requirements.

CY43-6.8UH Alternatives, Datasheet & Cross Reference | Shenzhen Hanxia Electronics Co., LTD

Finding a replacement for the CY43-6.8UH, a 6.8µH power inductor in a 4.5x4.0mm package, requires careful consideration. While many parts offer superior electrical performance, none are direct drop-in replacements due to package differences.

AI replacement insight

Package riskhigh

All candidates have a larger footprint, requiring board redesign.

Electrical risklow

Most candidates offer superior current handling and lower DCR, which is generally a safe upgrade.

Sourcing risklow

Multiple alternatives are available from different major manufacturers.

Can it be replaced directly?

No direct, pin-compatible replacements for CY43-6.8UH were found. All suitable alternatives have different physical footprints, requiring a PCB layout modification.

Best replacement path

Use a functional alternative like MHCI06030-6R8M-R8 for its strong electrical performance and matching temperature range, provided the larger package size is acceptable.

Main risk

The primary risk is the package mismatch. All candidates are larger than the target part, making them incompatible with the existing PCB layout.

Recommended alternatives

A functional alternative with superior current handling and matching temperature range, but in a larger package.

View details

Alternative comparison matrix

Feature / factor	CY43-6.8UH	MHCI06030-6R8M-R8	PSPMAA0605H-6R8M-ANP	VLS6045EX-6R8M	Compatibility / risk
Package	4.5mm x 4.0mm	7.1mm x 6.6mm	6.6mm x 7.1mm	6.0mm x 6.0mm	7.1mm x 6.6mm / 6.6mm x 7.1mm / 6.0mm x 6.0mm — Candidate is significantly larger, requires PCB redesign.; PSPMAA0605H-6R8M-ANP: Candidate is larger, requires PCB redesign.; VLS6045EX-6R8M: Candidate is larger, requires PCB redesign.
Current	~1.35A	8.0A	10.0A	4.7A	8.0A / 10.0A / 4.7A — Saturation current (Isat) is much higher, offering more headroom.; PSPMAA0605H-6R8M-ANP: Saturation current (Isat) is substantially higher.; VLS6045EX-6R8M: Saturation current (Isat) is significantly higher.
Dcr Ohm	100mΩ	60mΩ	39mΩ	36mΩ	60mΩ / 39mΩ / 36mΩ — Lower DCR improves efficiency.; PSPMAA0605H-6R8M-ANP: Significantly lower DCR improves efficiency.; VLS6045EX-6R8M: Significantly lower DCR improves efficiency.
Temperature	-55°C to 125°C	-55°C to 125°C	-	-40°C to 105°C	-55°C to 125°C / -40°C to 105°C — Operating temperature range matches the target.; VLS6045EX-6R8M: Operating temperature range is narrower than target.
Application	Commercial	-	AEC-Q200	-	AEC-Q200 — Automotive qualification may be an upgrade.

Application & sourcing insights

Questions & answers

The best alternative depends on your design constraints. If board space allows, MHCI06030-6R8M-R8 is a strong choice, offering much higher current, lower resistance, and the same temperature range in a 7.1x6.6mm package.