
Yageo
AEC-Q200 qualified upgrade with tighter ±1% tolerance. A good choice for high-reliability applications.
RC-02K302JT is a general-purpose 3kΩ, 5% tolerance, 1/16W chip resistor in an 0402 package. This page provides analysis of potential alternatives, focusing on matching key electrical and physical parameters.
Power rating, TCR, and resistance variance across candidates require validation.
All candidates match the 0402 package.
This is a common resistor value with many available alternatives.
Direct replacement for RC-02K302JT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Upgrade to a higher precision part like AC0402FR-073KL for better performance, or use a direct match like FRC0402J302 TS for general use.
The main risk is ensuring the replacement's power rating and temperature coefficient (TCR) are suitable for the specific application, as some candidates have missing data or do not meet conservative safety margins.

Yageo
AEC-Q200 qualified upgrade with tighter ±1% tolerance. A good choice for high-reliability applications.
| Feature / factor | RC-02K302JT | AC0402FR-073KL | FRC0402J302 TS | 0402WGJ0302TCE | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Matches target package.; FRC0402J302 TS: Matches target package.; 0402WGJ0302TCE: Matches target package. |
| Tolerance | ±5% | ±1% | ±5% | - | ±1% / ±5% / ±0.1% — Tighter tolerance provides higher precision.; FRC0402J302 TS: Matches target tolerance.; RT0402BRE073K3L: Significantly higher precision. |
| Power | 1/16W | 1/16W | 1/16W | 1/16W | 1/16W — Matches target, but offers no safety margin per ER-RES-003.; FRC0402J302 TS: Matches target, but offers no safety margin per ER-RES-003.; 0402WGJ0302TCE: Matches target, but offers no safety margin. |
| Application | Commercial | AEC-Q200 | - | - | AEC-Q200 — Automotive grade offers higher reliability. |
| Resistance | 3kΩ | - | 3kΩ | 3kΩ, ±5% | 3kΩ / 3kΩ, ±5% / 3.3kΩ — Matches target resistance.; 0402WGJ0302TCE: Matches target resistance and tolerance.; RT0402BRE073K3L: 10% higher resistance, requires circuit analysis. |
| Tcr | ±200ppm/℃ | - | ±100 ppm/°C | Missing | ±100 ppm/°C / Missing / 50 ppm/°C — Improved temperature stability.; 0402WGJ0302TCE: TCR data not found, must be verified from datasheet.; RT0402BRE073K3L: Significantly better temperature stability. |
| Technology | Thick Film | - | - | - | Thin Film — Different technology may have different characteristics (e.g., noise, pulse handling). |
Verified drop-in options for RC-02K302JT 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.