Is there a pin-compatible replacement for RT0402BRD07100KL?

There are pin-compatible 0402 resistors like FRC0402J104 TS, but they are general-purpose parts with much worse tolerance (±5% vs ±0.1%) and stability. These are not drop-in replacements for precision circuits and require careful engineering review.

What risks should I check before replacing RT0402BRD07100KL?

The main risks are loss of circuit accuracy and stability. The target is a precision (0.1%, 25ppm/°C) thin film resistor. Using a general-purpose thick film substitute (e.g., 5%, 100ppm/°C) can affect performance in sensitive applications like voltage dividers or feedback loops.

RT0402BRD07100KL Alternatives, Datasheet & Cross Reference | Yageo

Yageo RT0402BRD07100KL is a high-precision 100kΩ 0.1% thin film resistor in an 0402 package. Finding a direct drop-in replacement requires matching its tight tolerance and low TCR, which is challenging.

AI replacement insight

Electrical riskhigh

Substituting with a general-purpose resistor introduces significant error from tolerance and temperature drift.

Package riskmedium

The best electrical match is in a different package, requiring a PCB redesign.

Sourcing risklow

Precision 100kΩ 0402 resistors are a common component type, though specific MPNs may have variable stock.

Can it be replaced directly?

No direct, drop-in replacement with identical precision was found. All same-package alternatives are significant performance downgrades.

Best replacement path

Use the same series part in a different package (RT0603BRD07100KL) if layout can be modified, or source another precision 0402 100kΩ 0.1% resistor.

Main risk

Loss of precision. Substituting a general-purpose resistor for a precision one will likely cause the circuit to fail specifications.

Recommended alternatives

A functional alternative with identical electrical precision but in a larger 0603 package.

View details

Alternative comparison matrix

Feature / factor	RT0402BRD07100KL	RT0603BRD07100KL	0402WGJ0104TCE	FRC0402J104 TS	Compatibility / risk
Package	0402	0603	0402	0402	0603 / 0402 — Larger package, not a drop-in fit.; 0402WGJ0104TCE: matched; FRC0402J104 TS: matched
Resistance	100 kΩ	100 kΩ	-	-	100 kΩ — matched
Tolerance	±0.1%	±0.1%	±5%	±5%	±0.1% / ±5% — matched; 0402WGJ0104TCE: Significant precision downgrade.; FRC0402J104 TS: Significant precision downgrade.
Tcr	25 ppm/°C	25 ppm/°C	missing	±100 ppm/°C	25 ppm/°C / missing / ±100 ppm/°C — matched; 0402WGJ0104TCE: TCR not specified, assume general purpose.; FRC0402J104 TS: Significant stability downgrade.
Power	1/16 W	1/10 W	-	-	1/10 W — Higher power rating is acceptable.
Technology	Thin Film	-	Thick Film	Thick Film	Thick Film — General purpose vs. precision.; FRC0402J104 TS: General purpose vs. precision.

Application & sourcing insights

Questions & answers

The best functional alternative is Yageo's RT0603BRD07100KL, which has identical precision specs but is in a larger 0603 package. For a drop-in 0402 replacement, no exact match was found; options involve significant downgrades in precision.