Is there a pin-compatible replacement for PNLS6045-330M 33UH?

Currently, no pin-to-pin compatible replacement has been verified. Candidates with similar package dimensions exist, but their land patterns and electrical characteristics like DCR differ, requiring careful verification before use.

What risks should I check before replacing PNLS6045-330M 33UH?

Key risks include: 1) Package Mismatch: Most alternatives have different footprints. 2) Electrical Performance: Check for higher DC Resistance (DCR), which increases power loss, and ensure saturation current (Isat) meets or exceeds 2.3A. 3) Thermal Performance: A different package or DCR will alter heat dissipation.

PNLS6045-330M 33UH Alternatives, Datasheet & Cross Reference | DMBJ

PNLS6045-330M 33UH is a 33µH wire-wound power inductor in a 6045 package, featuring a 2.3A saturation current. Finding a replacement requires matching inductance, current ratings, and the 6.0x6.0mm footprint.

AI replacement insight

Package riskhigh

No verified drop-in footprint found among candidates.

Electrical riskmedium

Some candidates have higher DCR, which impacts efficiency.

Sourcing risklow

Multiple functional and parametric alternatives are available.

Can it be replaced directly?

No direct drop-in replacement found. Alternatives require PCB layout changes or have different electrical performance.

Best replacement path

Functional redesign or parametric trade-off

Main risk

Package mismatch is the primary risk, preventing direct substitution.

Recommended alternatives

A functional alternative with lower DCR and higher current rating, but in a larger 10x10mm package.

View details

Alternative comparison matrix

Feature / factor	PNLS6045-330M 33UH	SLO1040H330MTT	PSPMAQ0605H-330M-ANP	SLO0630H330MTT	Compatibility / risk
Package	6045 (6.0x6.0mm)	10.3x10.3x4.0mm	6.6x7.1x5.0mm	6.6x7.3x3.0mm	10.3x10.3x4.0mm / 6.6x7.1x5.0mm / 6.6x7.3x3.0mm — Requires PCB redesign.; PSPMAQ0605H-330M-ANP: Similar size, but footprint must be verified.; SLO0630H330MTT: Similar size, but footprint must be verified.
Dcr Ohm	165 mΩ	92 mΩ	210 mΩ	270 mΩ	92 mΩ / 210 mΩ / 270 mΩ — Lower DCR improves efficiency.; PSPMAQ0605H-330M-ANP: Higher DCR increases power loss.; SLO0630H330MTT: Higher DCR increases power loss.
Saturation Current A	2.3 A	5.0 A	4.5 A	3.0 A	5.0 A / 4.5 A / 3.0 A — Higher current handling capability.; PSPMAQ0605H-330M-ANP: Higher current handling capability.; SLO0630H330MTT: Slightly higher current rating.
Temperature	-40°C to +85°C	-55°C to +150°C	-	-	-55°C to +150°C — Wider operating range.
Current A	N/A (Isat 2.3A)	-	2.5 A	2.0 A	2.5 A / 2.0 A — Temp rise current is sufficient.; SLO0630H330MTT: Temp rise current is lower than target's Isat.

Application & sourcing insights

Questions & answers

No direct drop-in replacement has been identified. Functional alternatives like Sunltech's SLO1040H330MTT offer superior current handling but in a larger package. Parametric alternatives with similar footprints may have higher DCR, requiring design review.