Is there a pin-compatible replacement for SPM6530T-3R3M?

No, a pin-compatible or drop-in replacement for the SPM6530T-3R3M was not found. All electrically similar candidates have a different physical footprint that requires a new board layout.

What risks should I check before replacing SPM6530T-3R3M?

The main risk is the package mismatch; you must redesign your PCB. Also, verify that the improved electrical characteristics (lower DCR, higher current) are compatible with your power supply's stability and thermal design.

SPM6530T-3R3M Alternatives, Datasheet & Cross Reference | TDK Electronics AG

Find alternatives for the TDK SPM6530T-3R3M, a 3.3µH shielded power inductor. This analysis covers functional replacements, highlighting key differences in package size and electrical performance to guide your design choices.

AI replacement insight

Package riskhigh

All functional alternatives are in larger packages, requiring a mandatory board redesign.

Electrical risklow

Candidates offer improved current ratings and lower DCR, which is generally beneficial but may require review of circuit dynamics.

Sourcing risklow

The identified alternatives are from different manufacturers, potentially improving supply chain resilience.

Can it be replaced directly?

No direct, drop-in replacements for SPM6530T-3R3M were identified. All functional alternatives require a change in the PCB layout due to larger package sizes.

Best replacement path

Board redesign with a larger, higher-performance inductor like PSPMAA1040H-3R3M-ANP for improved efficiency and thermal margin.

Main risk

The primary risk is mechanical; all viable alternatives have a different footprint and will not fit on the existing PCB layout.

Recommended alternatives

A functional alternative with higher current ratings and lower DCR, but in a larger 11.5x10mm package.

View details

Alternative comparison matrix

Feature / factor	SPM6530T-3R3M	MWSA1004S-3R3MT	PSPMAA1040H-3R3M-ANP	Compatibility / risk
Package	7.1mm x 6.5mm	10.0mm x 11.5mm	10.2mm x 11.0mm	10.0mm x 11.5mm / 10.2mm x 11.0mm — Significantly larger footprint, requires board redesign.; PSPMAA1040H-3R3M-ANP: Significantly larger footprint, requires board redesign.
Inductance	3.3 µH	3.3 µH	3.3 µH	3.3 µH — Inductance matches target.; PSPMAA1040H-3R3M-ANP: Inductance matches target.
Saturation Current A	7.3 A	16.0 A	16.0 A	16.0 A — Higher saturation current provides more margin.; PSPMAA1040H-3R3M-ANP: Higher saturation current provides more margin.
Dcr Ohm	29.7 mΩ	16.0 mΩ	12.0 mΩ	16.0 mΩ / 12.0 mΩ — Lower DCR improves efficiency.; PSPMAA1040H-3R3M-ANP: Lower DCR improves efficiency.
Current A	6.8 A	7.96 A	-	7.96 A — Higher RMS current rating.

Application & sourcing insights

Questions & answers

The best alternatives, such as PROD's PSPMAA1040H-3R3M-ANP, offer higher current ratings and lower DCR. However, they are not drop-in replacements and require a PCB redesign due to their larger package size.