WSLP1206R0500FEA
Vishay
Needs validationlow risk
Upgrade with 4x power rating and wider temperature range, but slightly higher resistance.
Best Alternatives to RL1206FR-070R047L
The Yageo RL1206FR-070R047L is a 0.25W, 47mΩ current sense resistor in a 1206 package. While direct replacements are scarce, several upgrade-path alternatives with higher power ratings and improved stability are available from manufacturers like Vishay and Yageo.
AI replacement insight
Electrical risklow
Resistance is slightly higher. Power rating is an upgrade, which is safe.
Package risklow
All viable candidates use the same 1206 package.
Sourcing risklow
Multiple vendors (Vishay, Yageo, Milliohm) offer suitable alternatives.
Can it be replaced directly?
No direct, identical replacement was found. All suitable alternatives have a slightly higher resistance of 50mΩ and are often upgrades in power rating and technology.
Best replacement path
Upgrade to a 1W-rated metal film or metal strip resistor like Vishay's WSLP1206R0500FEA or Yageo's PE series. This provides a much higher power handling capability and likely better stability.
Main risk
The primary risk is the 6.4% increase in resistance from 47mΩ to 50mΩ, which could affect the accuracy of current sensing circuits. This must be evaluated at the application level.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | RL1206FR-070R047L | WSLP1206R0500FEA | HoJLR1206-1W-50mR-1% | PE1206FRF470R05L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 | 1206 | 1206 | 1206 | 1206 — Form and fit match.; HoJLR1206-1W-50mR-1%: Form and fit match.; PE1206FRF470R05L: Form and fit match.; PE1206FRM470R05L: Form and fit match. |
| Power | 0.25W | 1.0W | 1.0W | 1.0W | 1.0W — Significantly higher power rating provides greater safety margin.; HoJLR1206-1W-50mR-1%: 4x power rating provides significant design margin.; PE1206FRF470R05L: 4x power rating provides significant design margin.; PE1206FRM470R05L: 4x power rating provides significant design margin. |
| Resistance | 47mΩ | 50mΩ | 50mΩ | 50mΩ | 50mΩ — Slightly higher resistance (6.4%), requires circuit analysis.; HoJLR1206-1W-50mR-1%: Slightly higher resistance (6.4%).; PE1206FRF470R05L: Slightly higher resistance (6.4%), requires circuit analysis.; PE1206FRM470R05L: Slightly higher resistance (6.4%), requires circuit analysis. |
| Technology | Thick Film | Power Metal Strip | - | - | Power Metal Strip / Metal Film — Different technology, generally offers better performance.; PE1206FRM470R05L: Different technology, may offer better stability and lower noise. |
| Temperature | -55°C to +155°C | -65°C to +170°C | -55°C to +155°C | - | -65°C to +170°C / -55°C to +155°C — Wider operating range.; HoJLR1206-1W-50mR-1%: Operating range matches target. |
| Tcr | Not specified | - | ±50ppm/°C | ±100 ppm/°C | ±50ppm/°C / ±100 ppm/°C / ±75 ppm/°C — Excellent TCR offers high stability over temperature.; PE1206FRF470R05L: Specified TCR provides better performance predictability.; PE1206FRM470R05L: Specified TCR provides better performance predictability. |
Application & sourcing insights
Questions & answers
The best alternatives are upgrade-path parts like WSLP1206R0500FEA or PE1206FRM470R05L. They offer a 4x higher power rating and better stability, but have a slightly higher resistance of 50mΩ that needs to be checked.