
UNI-ROYAL
A close match with slightly different resistance (5.11kΩ) and better tolerance (±1%).
Find pin-compatible and functional alternatives for the RTT02512JTH, a 5.1kΩ, 5%, 1/16W, 0402 thick film resistor. This guide provides verified substitutes and analyzes key parametric differences.
All suggested alternatives are in the same 0402 package.
Switching from thick film to thin film technology requires engineering review.
5.1kΩ 0402 is a common resistor value available from many vendors.
Direct replacement for RTT02512JTH should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
For a direct replacement, use a thick film resistor like RC-02K512JT. For higher precision, consider a thin film upgrade like RT0402BRD075K1L, but verify application suitability.
The main risk is substituting with a different resistor technology (e.g., thin film for thick film) without verifying its impact on circuit performance, such as pulse handling or noise.

UNI-ROYAL
A close match with slightly different resistance (5.11kΩ) and better tolerance (±1%).
| Feature / factor | RTT02512JTH | 0402WGF5111TCE | RMC04025.1K1%N | RC-02K512JT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 (1005 metric) | 0402 | 0402 / 0402 (1005 metric) — Package size matches.; RMC04025.1K1%N: Package size matches.; RC-02K512JT: Package size matches.; RT0402BRD075K1L: Package size matches. |
| Resistance | 5.1kΩ | 5.11kΩ | 5.1kΩ | 5.1kΩ | 5.11kΩ / 5.1kΩ — Difference is only 0.2%, well within target's ±5% tolerance.; RMC04025.1K1%N: Resistance value matches.; RC-02K512JT: Resistance value matches.; RT0402BRD075K1L: Resistance value matches. |
| Tolerance | ±5% | ±1% | ±1% | ±5% | ±1% / ±5% / ±0.1% — Tighter tolerance is a performance upgrade.; RMC04025.1K1%N: Tighter tolerance is a performance upgrade.; RC-02K512JT: Tolerance matches.; RT0402BRD075K1L: Ultra-high precision upgrade. |
| Power | 1/16W | 1/16W | 1/16W | 1/16W | 1/16W — Power rating matches.; RMC04025.1K1%N: Power rating matches.; RC-02K512JT: Power rating matches. |
| Technology | Thick Film | - | Thick Film | Thick Film | Thick Film / Thin Film — Resistor technology matches.; RC-02K512JT: Technology matches (inferred from summary).; RT0402BRD075K1L: Thin film offers better stability but may have different pulse handling. |
Verified drop-in options for RTT02512JTH 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.