PA1206FRF470R001Z
Yageo
Needs validationlow risk
Strong pin-compatible candidate from Yageo with matching core specs and AEC-Q200 qualification.
Best Alternatives to LR1206-21R001F4
Find pin-compatible and upgraded alternatives for the LR1206-21R001F4 1mΩ 1W 1206 resistor. Top candidates from Yageo, TAI-TECH, and Milliohm offer matching specs or higher power ratings for improved reliability.
AI replacement insight
Package risklow
All top candidates use the same 1206 package.
Electrical riskmedium
Some alternatives have a much higher TCR. This must be verified for the application.
Sourcing risklow
Multiple viable alternatives exist from different manufacturers.
Can it be replaced directly?
Direct replacement for LR1206-21R001F4 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Upgrade to a higher power rating part like Milliohm's HoSRX1206-3W-1mR-1% for increased thermal margin.
Main risk
The main risk is substituting with a part that has a higher (worse) Temperature Coefficient of Resistance (TCR), which could impact circuit accuracy over temperature.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | LR1206-21R001F4 | PA1206FRF470R001Z | HoSRX1206-3W-1mR-1% | RLM12FTCMR001 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 | 1206 (3216 Metric) | 1206 | 1206 | 1206 (3216 Metric) — Package size matches.; HoSRX1206-3W-1mR-1%: Package size matches.; RLM12FTCMR001: Package size matches.; YLRY06-1-1F: Package size matches. |
| Resistance | 1.0 mΩ | 1.0 mΩ | 1.0 mΩ | 1.0 mΩ | 1.0 mΩ — Resistance matches.; HoSRX1206-3W-1mR-1%: Resistance matches.; RLM12FTCMR001: Resistance matches.; YLRY06-1-1F: Resistance matches. |
| Power | 1.0 W | 1.0 W | 3.0 W | 1.0 W | 1.0 W / 3.0 W — Power rating matches.; HoSRX1206-3W-1mR-1%: Higher power rating provides more design margin.; RLM12FTCMR001: Power rating matches. |
| Tolerance | ±1.0% | ±1.0% | - | - | ±1.0% — Tolerance matches. |
| Tcr | Not specified | ±50 ppm/°C | ±50 ppm/°C | ±50 ppm/℃ | ±50 ppm/°C / ±50 ppm/℃ / ±350ppm/°C — Good TCR. Target TCR not specified, requires check.; HoSRX1206-3W-1mR-1%: Good TCR. Target TCR not specified, requires check.; RLM12FTCMR001: Good TCR. Target TCR not specified, requires check.; YLRY06-1-1F: TCR is significantly higher, may impact performance. |
Application & sourcing insights
Questions & answers
Verified drop-in options for LR1206-21R001F4 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.