Best Alternatives to SLO322512T4R7MTT

Package: 3225SunltechChokesInductance: 4.7 µHTolerance: ±20%Saturation Current (Isat): 2.9 A (Typical)Heat Rating Current (Irms): 2.3 A (Typical)DC Resistance (Rdc): 115 mΩ (Typical)

Finding a substitute for the SLO322512T4R7MTT 4.7µH power inductor involves a trade-off. While several parts offer superior electrical performance, they come in larger packages. Form-fit options exist but with significant downgrades in current handling.

AI replacement insight

Package riskhigh

Most electrically suitable alternatives are in larger packages, requiring a PCB redesign.

Electrical riskhigh

The only form-fit candidate has significantly lower current ratings, risking overheating and saturation.

Sourcing risklow

Multiple functional alternatives from major manufacturers are available.

Can it be replaced directly?

No direct, drop-in replacement that meets or exceeds all of SLO322512T4R7MTT's specifications has been identified. Alternatives require either a board redesign or a compromise on current ratings.

Best replacement path

For new designs or board revisions, functional alternates like ETQP3M4R7KVN offer superior electrical performance. If the package must be maintained, CBC3225T4R7MR is an option only if the application's current demand is well below its lower ratings.

Main risk

The primary risk is choosing a replacement with an incompatible package or one with insufficient current handling capability, which could lead to circuit failure.

Recommended alternatives

4
ETQP3M4R7KVN package
ETQP3M4R7KVN

Panasonic

Needs validationmedium risk

A high-performance functional alternative with superior current handling, but in a larger, non-compatible package.

View details

Alternative comparison matrix

Feature / factorSLO322512T4R7MTTETQP3M4R7KVNFSA0620-4R7MTVLS6045EX-4R7M-HCompatibility / risk
Package32256.4mm x 6.0mmSMD (~6x6mm)60456.4mm x 6.0mm / SMD (~6x6mm) / 6045 / 3225 (1210) — Larger package requires board redesign.; FSA0620-4R7MT: Larger package requires board redesign.; VLS6045EX-4R7M-H: Larger package requires board redesign.; CBC3225T4R7MR: Package dimensions are compatible.
Current2.3 A4.6 A3.5 A4.2 A4.6 A / 3.5 A / 4.2 A / 1.01 A — Much higher RMS current rating.; FSA0620-4R7MT: Higher RMS current rating.; VLS6045EX-4R7M-H: Significantly higher RMS current rating.; CBC3225T4R7MR: Candidate has less than half the RMS current rating.
Saturation Current A2.9 A9.8 A5.0 A5.8 A9.8 A / 5.0 A / 5.8 A / 1.25 A — Significantly higher saturation current.; FSA0620-4R7MT: Higher saturation current provides more headroom.; VLS6045EX-4R7M-H: Higher saturation current provides more headroom.; CBC3225T4R7MR: Candidate has significantly lower saturation current.
Dcr Ohm0.115 Ω0.029 Ω0.056 Ω0.027 Ω0.029 Ω / 0.056 Ω / 0.027 Ω / 0.1 Ω — Much lower DCR improves efficiency.; FSA0620-4R7MT: Lower DCR improves efficiency.; VLS6045EX-4R7M-H: Much lower DCR improves efficiency.; CBC3225T4R7MR: Slightly lower DCR offers better efficiency.
Temperature-40°C to +125°C-55°C to +155°C---55°C to +155°C — Wider operating temperature range.

Application & sourcing insights

Questions & answers

The best alternative depends on your design constraints. If you can change the PCB layout, ETQP3M4R7KVN offers a significant electrical upgrade. If you need the same 3225 package, CBC3225T4R7MR is an option, but you must verify its lower current ratings are acceptable.