Is there a pin-compatible replacement for SDRI127-101MT?

No direct pin-compatible replacement has been identified. Candidates like APH1265T101M and FXL1360-101-M are electrically superior but have slightly different package dimensions, requiring a layout check.

What risks should I check before replacing SDRI127-101MT?

The main risks are package mismatch and saturation current. Verify the substitute's footprint fits your PCB. Ensure its saturation current (Isat) is equal to or greater than the original's 3.5A to avoid core saturation under load.

SDRI127-101MT Alternatives, Datasheet & Cross Reference | Shenzhen Lantu Micro Electric Technology Co., Ltd.

Finding a substitute for the SDRI127-101MT 100µH power inductor involves balancing electrical performance and physical package compatibility. Several alternatives offer upgraded current handling, but require PCB layout verification.

AI replacement insight

Package riskhigh

All viable candidates have different footprints, requiring PCB layout verification.

Electrical risklow

Top candidates are electrical upgrades, but weaker options pose saturation current risks.

Can it be replaced directly?

No direct drop-in replacement found; all viable options require a layout check due to package differences.

Best replacement path

Upgrade to APH1265T101M for superior electrical performance, provided its larger package fits the PCB layout.

Main risk

Package mismatch is the primary risk, as no candidates share the exact 12.5x12.5mm footprint.

Recommended alternatives

A significant electrical upgrade with higher current ratings and lower DCR, but requires a PCB layout check for its larger package.

View details

Alternative comparison matrix

Feature / factor	SDRI127-101MT	APH1265T101M	FXL1360-101-M	Compatibility / risk
Inductance	100 µH	100 µH	100 µH	100 µH — Inductance value matches.; FXL1360-101-M: Inductance value matches.
Current	1.7 A	3.5 A	2.5 A	3.5 A / 2.5 A — Significantly higher RMS current (from summary).; FXL1360-101-M: Higher RMS current offers better thermal performance.
Saturation Current A	3.5 A	4.0 A	3.5 A	4.0 A / 3.5 A — Higher saturation current provides more headroom.; FXL1360-101-M: Saturation current matches the target.
Dcr Ohm	0.22 Ω	0.17 Ω	0.20 Ω	0.17 Ω / 0.20 Ω — Lower DCR improves efficiency.; FXL1360-101-M: Lower DCR improves efficiency.
Package	12.5x12.5mm	13.45x12.8mm	13.45x12.6mm	13.45x12.8mm / 13.45x12.6mm — Slightly larger package requires layout verification.; FXL1360-101-M: Slightly larger package requires layout verification.

Application & sourcing insights

Questions & answers

APH1265T101M is a strong upgrade, offering higher current ratings (4.0A Isat, 3.5A Irms) and lower DCR. However, its slightly larger package (13.45x12.8mm) must be verified to fit your PCB layout.