Is there a pin-compatible replacement for VLS6045EX-330M?

PNLS6045-330M from DMBJ uses the same 6045 package and is a potential form-fit replacement. However, its pinout and thermal current rating (Itemp) must be verified against your application's requirements before considering it pin-to-pin compatible.

What risks should I check before replacing VLS6045EX-330M?

Key risks include package footprint differences, which require PCB layout changes, and electrical parameter variations. Check the saturation current (Isat), thermal current (Itemp), and DC Resistance (DCR). A higher DCR can increase power loss and heat.

VLS6045EX-330M Alternatives, Datasheet & Cross Reference | TDK Electronics AG

Finding a replacement for the TDK VLS6045EX-330M, a 33µH power inductor, involves matching its 6045 package and key electrical ratings like 1.9A saturation current and 175mΩ DCR. Alternatives exist with similar or improved performance, but may require package or electrical verification.

AI replacement insight

Package riskmedium

Some candidates have different footprints requiring layout changes.

Electrical riskmedium

Candidates have varying DCR and current ratings that must be evaluated for the specific circuit.

Sourcing risklow

Multiple manufacturers offer similar parts, providing sourcing flexibility.

Can it be replaced directly?

No verified direct drop-in replacement has been identified. PNLS6045-330M is the closest candidate but requires engineering review due to a missing current rating.

Best replacement path

For a near drop-in, investigate PNLS6045-330M after verifying its missing thermal current spec. For an upgrade requiring a layout change, consider SPM7054VT-330M.

Main risk

The primary risk is finding a part that is both mechanically and electrically compatible. Several candidates have different footprints, and the one with a matching footprint has incomplete specifications.

Recommended alternatives

Potential form-fit match with better DCR and Isat, but requires verification of its thermal current rating.

View details

Alternative comparison matrix

Feature / factor	VLS6045EX-330M	PNLS6045-330M 33UH	SPM7054VT-330M-D	PSPMAQ0605H-330M-ANP	Compatibility / risk
Package	6045	6045	7.5mm x 7.0mm	6.6mm x 7.1mm	6045 / 7.5mm x 7.0mm / 6.6mm x 7.1mm — Candidate package matches target.; SPM7054VT-330M-D: Larger footprint requires PCB redesign.; PSPMAQ0605H-330M-ANP: Slightly larger footprint may require layout adjustment.
Inductance	33µH	33µH	33µH	33µH	33µH — Inductance matches.; SPM7054VT-330M-D: Inductance matches.; PSPMAQ0605H-330M-ANP: Inductance matches.
Dcr	175mΩ	165mΩ	97.7mΩ	210mΩ	165mΩ / 97.7mΩ / 210mΩ — Lower DCR means less power loss.; SPM7054VT-330M-D: Significantly lower DCR improves efficiency.; PSPMAQ0605H-330M-ANP: Higher DCR increases power loss.
Saturation Current	1.9A	2.3A	3.6A	4.5A	2.3A / 3.6A / 4.5A — Higher saturation current provides more margin.; SPM7054VT-330M-D: Higher saturation current.; PSPMAQ0605H-330M-ANP: Higher saturation current.
Rated Current	1.5A	Not specified	3.4A	2.5A	Not specified / 3.4A / 2.5A — Thermal current rating (Itemp) must be verified.; SPM7054VT-330M-D: Higher thermal current rating.; PSPMAQ0605H-330M-ANP: Higher thermal current rating.

Application & sourcing insights

Questions & answers

The best alternative depends on design priorities. PNLS6045-330M offers a matching package but requires verification of its thermal current rating. For higher performance, SPM7054VT-330M is a strong electrical upgrade but has a larger footprint.