Is there a pin-compatible replacement for SDFL1608Q4R7KTF?

Based on our review, we have not identified a direct pin-for-pin compatible replacement in the same 1608 (0603) package. Alternatives require physical board modifications.

What risks should I check before replacing SDFL1608Q4R7KTF?

The main risk is physical incompatibility; most alternatives are in larger packages (e.g., 0805, 1206). Also, check the wider inductance tolerance (±20% vs ±10%) and ensure the circuit's performance is not adversely affected.

SDFL1608Q4R7KTF Alternatives, Datasheet & Cross Reference | Shenzhen Sunlord Electronics Co., Ltd.

SDFL1608Q4R7KTF is a 4.7µH, 15mA multilayer chip inductor in a 0603 package. While no direct pin-compatible replacements were found, several functional alternatives exist with higher performance in slightly larger packages.

AI replacement insight

Package riskhigh

No candidates match the 1608 (0603) footprint, requiring a mandatory board spin.

Electrical risklow

Alternatives offer superior current and DCR ratings, but wider tolerance must be checked.

Sourcing risklow

The identified alternatives are from major manufacturers and appear to be actively sourced.

Can it be replaced directly?

No direct, pin-compatible replacement has been identified. All suitable functional alternatives require a PCB layout change.

Best replacement path

Upgrade to a slightly larger package like 0805 or 0806 for significantly improved current ratings and lower DCR.

Main risk

The primary risk is the package mismatch, which prevents a drop-in replacement and requires a board redesign.

Recommended alternatives

Functional alternative with higher current rating but in a larger 1206 package and weaker tolerance.

View details

Alternative comparison matrix

Feature / factor	SDFL1608Q4R7KTF	CMP321609UD4R7MT	MPL2012S4R7MHT	MPL2016S4R7MHT	Compatibility / risk
Package	1608 (0603)	1206	2012 (0805)	2016 [0806]	1206 / 2012 (0805) / 2016 [0806] — Larger footprint requires board redesign.; MPL2012S4R7MHT: Larger footprint requires board redesign.; MPL2016S4R7MHT: Larger footprint requires board redesign.
Inductance	4.7µH	4.7µH	4.7µH	4.7µH	4.7µH — matched; MPL2012S4R7MHT: matched; MPL2016S4R7MHT: matched
Current	0.015A	0.7A	0.8A	1.1A	0.7A / 0.8A / 1.1A — Significantly higher current rating.; MPL2012S4R7MHT: Significantly higher current rating.; MPL2016S4R7MHT: Significantly higher current rating.
Dcr	2.1Ω	0.38Ω	0.25Ω	0.14Ω	0.38Ω / 0.25Ω / 0.14Ω — Significantly lower DC resistance.; MPL2012S4R7MHT: Significantly lower DC resistance.; MPL2016S4R7MHT: Significantly lower DC resistance.
Tolerance	±10%	±20%	±20%	±20%	±20% — Wider tolerance may affect circuit precision.; MPL2012S4R7MHT: Wider tolerance may affect circuit precision.; MPL2016S4R7MHT: Wider tolerance may affect circuit precision.

Application & sourcing insights

Questions & answers

The best alternative depends on your design constraints. Parts like Sunlord's MPL2016S4R7MHT offer much higher current handling (1.1A vs 15mA) but come in a larger 0806 package, requiring a board layout change.