
FOJAN
A 1210 chip resistor with identical 5.1Ω resistance, ±1% tolerance, and 0.5W power rating. TCR should be verified.
Finding a substitute for the 1210W2F510KT5E, a 5.1Ω 0.5W 1% 1210 resistor, involves matching key electrical and physical parameters. Several alternatives exist with varying degrees of compatibility.
Some alternatives have different resistance or tolerance. TCR is often an unstated variable.
Several candidates share the same standard 1210 package, ensuring physical compatibility.
This is a common resistor value and package with multiple manufacturers available.
Yes, FRC1210F5R10TS is a potential pin-to-pin replacement, offering the same 5.1Ω resistance, ±1% tolerance, 0.5W power, and 1210 package. However, its TCR should be confirmed.
FRC1210F5R10TS is the strongest candidate, matching all key parameters, but requires TCR verification before final selection.
The primary risk when substituting is using a part with a different resistance value or wider tolerance, which can affect circuit performance and accuracy.

FOJAN
A 1210 chip resistor with identical 5.1Ω resistance, ±1% tolerance, and 0.5W power rating. TCR should be verified.
| Feature / factor | 1210W2F510KT5E | FRC1210F5R10TS | 1210W2F470KT5E | FRC1210F4R70TS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1210 | 1210 | 1210 | 1210 | 1210 — Matches target package.; 1210W2F470KT5E: Matches target package.; FRC1210F4R70TS: Matches target package. |
| Resistance | 5.1 Ω | 5.1 Ω | 4.7 Ω | 4.7 Ω | 5.1 Ω / 4.7 Ω — Identical resistance value.; 1210W2F470KT5E: Lower than target's 5.1Ω.; FRC1210F4R70TS: Lower than target's 5.1Ω. |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% — Identical precision.; 1210W2F470KT5E: Identical precision.; FRC1210F4R70TS: Identical precision. |
| Power | 0.5 W | 0.5 W | - | 0.5 W | 0.5 W — Identical power rating.; FRC1210F4R70TS: Identical power rating. |
| Tcr | Not specified | ±200 ppm/°C | - | - | ±200 ppm/°C — Target TCR is not specified; requires review. |
| Manufacturer | UNI-ROYAL | - | UNI ROYAL | - | UNI ROYAL — Same manufacturer as target. |
Verified drop-in options for 1210W2F510KT5E 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.