Best Alternatives to RT0402BRD0720K5L

Package: 0402 (1005 Metric)YageoChip Resistor - Surface MountSeries: RTPackage: Tape & Reel (TR) Cut Tape (CT) Digi-Reel®Resistance: 20.5 kOhmsTolerance: ±0.1%Composition: Thin Film

RT0402BRD0720K5L is a high-precision 20.5kΩ thin film resistor in an 0402 package. While no direct drop-in replacements are available, several parametrically similar alternatives exist that require engineering validation.

AI replacement insight

Electrical riskmedium

Using a part with different resistance, tolerance, or TCR can affect circuit accuracy and stability.

Package risklow

All suggested alternatives use the same standard 0402 package, ensuring physical compatibility.

Can it be replaced directly?

No direct, drop-in replacement was found. While several parts share the same 0402 package, they either differ in resistance value or are significant downgrades in precision (tolerance, TCR, technology).

Best replacement path

The best alternatives are other Yageo RT series resistors like RT0402BRD0720K3L (20.3kΩ) or RT0402BRD0721KL (21kΩ). They match all precision characteristics, but the slight resistance difference must be validated for the specific circuit.

Main risk

The primary risk is a change in circuit performance due to differences in resistance value, tolerance, or temperature stability (TCR).

Recommended alternatives

5
0402WGF2052TCE package
Needs validationhigh risk

A lower-cost thick film resistor with the same resistance but wider tolerance (±1% vs ±0.1%).

View details

Alternative comparison matrix

Feature / factorRT0402BRD0720K5L0402WGF2052TCERT0402BRD0718K7LRT0402BRD0720K3LCompatibility / risk
Package04020402040204020402 — Same EIA package size.; RT0402BRD0718K7L: Same EIA package size.; RT0402BRD0720K3L: Same EIA package size.; RT0402BRD0721KL: Same EIA package size.
Resistance20.5kΩ20.5kΩ18.7kΩ20.3kΩ20.5kΩ / 18.7kΩ / 20.3kΩ / 21kΩ — Resistance value matches.; RT0402BRD0718K7L: Resistance is ~8.8% lower.; RT0402BRD0720K3L: Resistance is ~1% lower.; RT0402BRD0721KL: Resistance is ~2.4% higher.
Tolerance±0.1%±1%±0.1%±0.1%±1% / ±0.1% — Candidate has 10x wider tolerance.; RT0402BRD0718K7L: Precision tolerance matches.; RT0402BRD0720K3L: Precision tolerance matches.; RT0402BRD0721KL: Precision tolerance matches.
TechnologyThin FilmThick Film-Thin FilmThick Film / Thin Film — Lower precision technology.; RT0402BRD0720K3L: Technology matches.; RT0402BRD0721KL: Technology matches.
Tcr25 ppm/°CUnknown (typically >100ppm/°C)-25 ppm/°CUnknown (typically >100ppm/°C) / 25 ppm/°C — TCR is significantly worse.; RT0402BRD0720K3L: TCR matches.; RT0402BRD0721KL: TCR matches.

Application & sourcing insights

Questions & answers

The best alternatives are other high-precision thin film resistors from the same Yageo RT series, such as RT0402BRD0720K3L (20.3kΩ) or RT0402BRD0721KL (21kΩ). They require engineering review due to the slight resistance difference but match on all other critical parameters.