
TDK electrical upgrade with higher current ratings, but in a larger 3012 package.
Finding a substitute for the Sunlord WPN201610U4R7MT, a 4.7µH power inductor, requires careful consideration of its compact 2016 package. While several parts offer similar or better electrical performance, they come in larger packages, making a board redesign necessary.
All candidates have larger footprints (2520, 3012, 4012) than the target's 2016 package, requiring a mandatory PCB redesign.
Some candidates have lower thermal current (Irms) ratings, which must be carefully evaluated against the application's needs to avoid overheating.
No, there are no direct, pin-compatible replacements for WPN201610U4R7MT among the candidates reviewed. All alternatives are in larger physical packages that require a PCB layout modification.
For an electrical upgrade, consider TDK's VLS3012HBX-4R7M or XR's XRIM252012S4R7MBCA. Both offer superior current handling but require verifying if their larger footprints (3012 and 2520 respectively) are acceptable for your board.
The primary risk is the physical package mismatch. A board redesign is unavoidable. A secondary risk involves selecting a part with a lower thermal current (Irms) rating, which could lead to overheating.

TDK electrical upgrade with higher current ratings, but in a larger 3012 package.
| Feature / factor | WPN201610U4R7MT | VLS3012HBX-4R7M | XRIM252012S4R7MBCA | WPN4012H4R7MT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 2016 | 3012 | 2520 | 4012 | 3012 / 2520 / 4012 — Candidate package is larger (3.0x3.0mm), requires PCB redesign.; XRIM252012S4R7MBCA: Candidate package is larger (2.5x2.0mm), requires PCB redesign.; WPN4012H4R7MT: Candidate package is significantly larger (4.0x4.0mm), requires PCB redesign.; WPN252010U4R7MT: Candidate package is larger (2.5x2.0mm), requires PCB redesign. |
| Saturation Current A | 1.5A | 2.51A | 2.4A | 2.3A | 2.51A / 2.4A / 2.3A / 1.9A — Higher saturation current provides more margin.; XRIM252012S4R7MBCA: Higher saturation current provides more margin.; WPN4012H4R7MT: Higher saturation current.; WPN252010U4R7MT: Higher saturation current. |
| Current A | 1.45A | 2.01A | 1.8A | 1.9A | 2.01A / 1.8A / 1.9A / 1.4A — Higher thermal current rating.; XRIM252012S4R7MBCA: Higher thermal current rating.; WPN4012H4R7MT: Higher thermal current rating.; WPN252010U4R7MT: Slightly lower thermal current rating. |
| Dcr Ohm | 0.24Ω | 0.201Ω | 0.15Ω | 0.23Ω | 0.201Ω / 0.15Ω / 0.23Ω / 0.2Ω — Lower DCR improves efficiency.; XRIM252012S4R7MBCA: Lower DCR improves efficiency.; WPN4012H4R7MT: Slightly lower DCR.; WPN252010U4R7MT: Lower DCR improves efficiency. |
| Inductance H | 4.7µH | - | 4.7µH | - | 4.7µH — matched |
The best alternatives for electrical performance are TDK's VLS3012HBX-4R7M and XR's XRIM252012S4R7MBCA. Both offer higher current ratings and lower resistance, but come in larger packages (3012 and 2520, respectively) that require a board redesign.