Is there a pin-compatible replacement for MCL1608S4R7MT?

No, there is no verified pin-compatible replacement. The candidate MPH160809S4R7MT shares the 1608 package but has a critically low saturation current (0.065A) which is below the target's RMS current rating (0.18A), posing a high risk of failure.

What risks should I check before replacing MCL1608S4R7MT?

Key risks include: 1) Package Mismatch: Better parts may not fit. 2) Lower Current Rating: Candidate Irms or Isat may be below your requirement. 3) Saturation: A low Isat can cause the inductor to fail under load. 4) Higher DCR: This increases power loss and heat.

MCL1608S4R7MT Alternatives, Datasheet & Cross Reference | Shenzhen Sunlord Electronics Co., Ltd.

MCL1608S4R7MT is a 4.7µH inductor in a 1608 package. Finding a substitute requires careful review of current ratings (Irms and Isat) and package size, as no direct drop-in replacement has been identified.

AI replacement insight

Electrical riskhigh

Candidates may have lower current ratings (Irms, Isat) or higher DCR.

Package riskmedium

Electrically superior parts are often in larger packages, requiring a PCB redesign.

Can it be replaced directly?

No verified direct replacement exists. The same-package candidate MPH160809S4R7MT has a critically low saturation current (0.065A) compared to the target's 0.18A RMS rating, making it a high-risk substitute.

Best replacement path

For new designs, XRIM252012S4R7MBCA is a superior functional alternative in a larger package. For existing boards, MPH160809S4R7MT is a high-risk option due to its low saturation current and requires testing.

Main risk

The primary risk is mismatched current ratings. Many same-package alternatives have insufficient saturation current (Isat) or RMS current (Irms), which can lead to circuit failure.

Recommended alternatives

Electrically superior alternative with higher current and lower DCR, but in a much larger 4012 package.

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Alternative comparison matrix

Feature / factor	MCL1608S4R7MT	WPN4012H4R7MT	XRIM252012S4R7MBCA	MPH160809S4R7MT	Compatibility / risk
Package	1608 (0603)	4012	2520	1608 (0603 Metric)	4012 / 2520 / 1608 (0603 Metric) — Much larger package requires PCB redesign.; XRIM252012S4R7MBCA: Larger package requires PCB redesign.; MPH160809S4R7MT: Package matches, enabling potential drop-in.
Current A	0.18 A	1.9 A	1.8 A	0.7 A	1.9 A / 1.8 A / 0.7 A — Significantly higher current handling.; XRIM252012S4R7MBCA: Significantly higher current handling.; MPH160809S4R7MT: Higher heat rating current (Irms) is a strong point.
Saturation Current A	Not Specified	2.3 A	2.4 A	0.065 A	2.3 A / 2.4 A / 0.065 A — Significantly higher saturation current.; XRIM252012S4R7MBCA: Significantly higher saturation current.; MPH160809S4R7MT: Critically low Isat, likely to saturate as it's below target's Irms.
Dcr Ohm	0.39 Ω	0.23 Ω	0.15 Ω	0.5 Ω	0.23 Ω / 0.15 Ω / 0.5 Ω — Lower DCR improves efficiency.; XRIM252012S4R7MBCA: Lower DCR improves efficiency.; MPH160809S4R7MT: Higher DCR will reduce efficiency.

Application & sourcing insights

Questions & answers

The best alternative depends on your design constraints. For a new design, XRIM252012S4R7MBCA is electrically superior but in a larger 2520 package. If you must use the 1608 package, MPH160809S4R7MT is an option, but its very low saturation current must be carefully validated in your application.