FRL1812FR100TS
FOJAN
Needs validationlow risk
A potential pin-compatible replacement with matching package, resistance, tolerance, and power rating.
Best Alternatives to 181207F100LT4E
Find and compare substitutes for the UNI-ROYAL 181207F100LT4E, a 0.1Ω 0.75W 1812 chip resistor. Alternatives include a potential pin-compatible option and several functional alternates in different packages.
AI replacement insight
Electrical risklow
Key electricals are matched by several candidates. Check secondary parameters like TCR.
Package riskhigh
Most alternatives are not in an 1812 package and are not drop-in replacements.
Can it be replaced directly?
Direct replacement for 181207F100LT4E should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The best replacement path is FRL1812FR100TS, which matches the package and all key electrical parameters. However, a datasheet review is still required.
Main risk
The primary risk when substituting is package mismatch. Several functional alternatives require a different PCB footprint (e.g., 2010, 2512), which necessitates a board redesign.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | 181207F100LT4E | FRL1812FR100TS | 201007F100LT4E | RL2010FK-070R1L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1812 | 1812 | 2010 | 2010 | 1812 / 2010 / 2512 — Same EIA package size.; 201007F100LT4E: Different package, requires PCB redesign.; RL2010FK-070R1L: Different package, requires PCB redesign.; RL2512FK-070R1L: Larger package, requires PCB redesign. |
| Resistance | 0.1 Ω | 0.1 Ω | 0.1 Ω | 0.1 Ω | 0.1 Ω — matched; 201007F100LT4E: matched; RL2010FK-070R1L: matched; RL2512FK-070R1L: matched |
| Power | 0.75 W | 0.75 W | 0.75 W | 0.75 W | 0.75 W / 1.0 W — matched; 201007F100LT4E: matched; RL2010FK-070R1L: matched; RL2512FK-070R1L: Higher power rating is acceptable. |
| Tolerance | ±1% | ±1% | - | - | ±1% — matched; RL2512FK-070R1L: matched |
| Temperature | -55°C to +155°C | -55°C to +155°C | - | - | -55°C to +155°C — Operating range matches. |
Application & sourcing insights
Questions & answers
Verified drop-in options for 181207F100LT4E are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.