RT0402BRD0720K3L
Yageo
Needs validationlow risk
An excellent upgrade with better tolerance and TCR, but a slightly higher resistance of 20.3kΩ.
Best Alternatives to RT0402FRE0720KL
Find and compare replacements for the Yageo RT0402FRE0720KL, a 20kΩ ±1% 0402 thin film resistor. This guide analyzes alternatives, highlighting key differences in performance and specifications to ensure a reliable substitution.
AI replacement insight
Electrical riskmedium
High risk if using thick film parts; low risk if using other thin film parts after verifying resistance.
Package risklow
All candidates share the same 0402 package, ensuring physical compatibility.
Sourcing risklow
Multiple vendors produce 0402 20kΩ resistors, but precision thin film options are more specific.
Can it be replaced directly?
No exact drop-in replacement is listed. The closest options are from the same Yageo RT series, such as RT0402BRD0720K3L, which offer better performance but have slightly different resistance values that require engineering validation.
Best replacement path
The Yageo RT0402BRD0720K3L is the best upgrade path, offering superior tolerance and TCR with a minimal 1.5% resistance deviation. This is ideal for improving circuit precision.
Main risk
The primary risk is substituting a general-purpose thick film resistor for the original precision thin film part. This can degrade circuit accuracy, stability over temperature, and noise performance.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | RT0402FRE0720KL | RT0402BRD0720K3L | RT0402BRD0720K5L | RT0402BRD0721KL | Compatibility / risk |
|---|---|---|---|---|---|
| Tolerance | ±1% | ±0.1% | ±0.1% | ±0.1% | ±0.1% / ±1% — Candidate has tighter (better) tolerance.; RT0402BRD0720K5L: Candidate has tighter (better) tolerance.; RT0402BRD0721KL: Candidate has tighter (better) tolerance.; RTT022002FTH: matched |
| Tcr | 50 ppm/°C | 25 ppm/°C | 25 ppm/°C | 25 ppm/°C | 25 ppm/°C / ±100 ppm/°C — Candidate has a lower (better) temperature coefficient.; RT0402BRD0720K5L: Candidate has a lower (better) temperature coefficient.; RT0402BRD0721KL: Candidate has a lower (better) temperature coefficient.; RTT022002FTH: Candidate has a higher (worse) temperature coefficient. |
| Resistance | 20 kΩ | 20.3 kΩ | 20.5 kΩ | 21 kΩ | 20.3 kΩ / 20.5 kΩ / 21 kΩ / 20 kΩ — Resistance is 1.5% higher than target. Verify circuit impact.; RT0402BRD0720K5L: Resistance is 2.5% higher than target. Verify circuit impact.; RT0402BRD0721KL: Resistance is 5% higher than target. Verify circuit impact.; RTT022002FTH: matched |
| Technology | Thin Film | Thin Film | Thin Film | Thin Film | Thin Film / Thick Film — matched; RT0402BRD0720K5L: matched; RT0402BRD0721KL: matched; RTT022002FTH: Candidate is thick film, target is precision thin film. May affect stability and noise. |
| Package | 0402 | - | - | - | 0402 — matched |
Application & sourcing insights
Questions & answers
The best alternative is RT0402BRD0720K3L from Yageo. It offers a significant upgrade with tighter tolerance (±0.1%) and a better TCR (25 ppm/°C), though its resistance is 20.3kΩ. This requires verifying if the 1.5% resistance difference is acceptable for your application.