AC1206FR-073KL
Yageo
Needs validationlow risk
An automotive-grade (AEC-Q200) upgrade with tighter ±1% tolerance, matching all key electricals.
Best Alternatives to 1206W4J0302T5E
Find verified substitutes and functional alternatives for the UNI-ROYAL 1206W4J0302T5E, a 3kΩ, 5%, 0.25W, 1206 thick film resistor. This guide provides pin-compatible upgrades and alternatives with detailed comparisons.
AI replacement insight
Electrical riskmedium
Many alternatives have lower max overload voltage. This must be verified for the application.
Package risklow
The 1206 package is a standard size, ensuring physical compatibility.
Sourcing risklow
3kΩ 1206 resistors are a common value available from many sources.
Can it be replaced directly?
Yes, direct replacements are available. The most common path is to use a 1206, 3kΩ, 0.25W resistor with a tighter tolerance of 1%, which is widely available from multiple manufacturers.
Best replacement path
Upgrade to an AEC-Q200 qualified part with 1% tolerance, like Yageo's AC1206FR-073KL, for improved performance and reliability.
Main risk
The primary risk is selecting a substitute with a lower maximum overload voltage, which could lead to failure in circuits with voltage spikes.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | 1206W4J0302T5E | AC1206FR-073KL | AECR1206F3K00K9 | FRC1206F3001TS | Compatibility / risk |
|---|---|---|---|---|---|
| Tolerance | ±5% | ±1% | ±1% | ±1% | ±1% — Tighter tolerance is an upgrade.; AECR1206F3K00K9: Tighter tolerance is an upgrade.; FRC1206F3001TS: Tighter tolerance is an upgrade.; RS-06K3001FT: Tighter tolerance is an upgrade. |
| Application | Commercial | AEC-Q200 | AEC-Q200, Anti-Sulfur | - | AEC-Q200 / AEC-Q200, Anti-Sulfur — Automotive grade offers higher reliability.; AECR1206F3K00K9: Automotive grade with enhanced reliability. |
| Package | 1206 (3216 Metric) | 1206 | 1206 | 1206 | 1206 — matched; AECR1206F3K00K9: matched; FRC1206F3001TS: Same EIA package size.; RS-06K3001FT: matched |
| Power | 0.25 W | 0.25 W | - | 0.25 W | 0.25 W — matched; FRC1206F3001TS: matched |
| Tcr | Not specified | - | - | ±100 ppm/°C | ±100 ppm/°C — Likely an improvement over the general-purpose target. |
| Voltage | 400V | - | - | - | 200V — Significantly lower max overload voltage. |
Application & sourcing insights
Questions & answers
For a direct upgrade, consider Yageo AC1206FR-073KL, which offers tighter 1% tolerance and AEC-Q200 qualification in the same 1206 package. It provides better performance and reliability.