
UNI-ROYAL
Pin-compatible 510Ω resistor with a higher 2W power rating, offering an upgrade over the 1W target.
Find and compare replacements for the FRC2512J511 TS, a 510Ω, 1W, 5% tolerance 2512 chip resistor. This page provides analysis of potential substitutes, including upgrades and parametric alternatives.
Some alternatives have different resistance or TCR values.
Viable candidates share the same 2512 package.
A direct, 1-to-1 replacement with identical specs is not available among the reviewed candidates. The closest is HP122WJ0511T4E, which is an upgrade.
The best path is an upgrade to a higher power rating, like the HP122WJ0511T4E (2W), which maintains all other key specs.
The main risk is using a part with a different resistance value or a degraded temperature coefficient (TCR), which can alter circuit behavior.

UNI-ROYAL
Pin-compatible 510Ω resistor with a higher 2W power rating, offering an upgrade over the 1W target.
| Feature / factor | FRC2512J511 TS | HP122WJ0511T4E | RC2512FK-7W470RL | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Resistance | 510 Ω | 510 Ω | 470 Ω | 510 Ω / 470 Ω — Exact match.; RC2512FK-7W470RL: Resistance is ~8% lower than target. | |
| Power | 1 W | 2 W | 2 W | 2 W — Higher power rating provides increased safety margin.; RC2512FK-7W470RL: Higher power rating provides increased safety margin. | |
| Tolerance | ±5% | ±5% | ±1% | ±5% / ±1% — Matches target tolerance.; RC2512FK-7W470RL: Tighter tolerance than target. | |
| Tcr | ±100 ppm/°C | ±100 ppm/°C | ±200 ppm/°C | ±100 ppm/°C / ±200 ppm/°C — Matches target TCR.; RC2512FK-7W470RL: TCR is worse than target, indicating less stability over temperature. | |
| Package | 2512 | 2512 | 2512 | 2512 — Same package ensures form and fit.; RC2512FK-7W470RL: Same package ensures form and fit. |
The HP122WJ0511T4E is a strong alternative. It matches the 510Ω resistance, 5% tolerance, and 2512 package, while offering a higher 2W power rating for increased reliability.