Best Alternatives to RT1206BRD0749K9L

Package: 1206 (3216 Metric)YageoChip Resistor - Surface MountSeries: RTPackage: Tape & Reel (TR) Cut Tape (CT) Digi-Reel®Resistance: 49.9 kOhmsTolerance: ±0.1%Composition: Thin Film

The Yageo RT1206BRD0749K9L is a 49.9kΩ, 0.1% tolerance, 1/4W thin film resistor in a 1206 package, used in precision applications. Alternatives exist but require careful review of resistance value, tolerance, and TCR.

AI replacement insight

Electrical riskmedium

Target is a precision part; substitutes with wider tolerance or higher TCR can affect circuit accuracy.

Package risklow

The 1206 package is a standard, and many alternatives are physically compatible.

Can it be replaced directly?

Direct replacement for RT1206BRD0749K9L should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

For precision circuits, evaluate RT1206BRD0750KL (50kΩ). For non-critical circuits, consider RC1206FR-0749K9L (49.9kΩ, 1%).

Main risk

The primary risk is performance degradation in precision circuits due to changes in resistance, tolerance, or TCR.

Recommended alternatives

4
RT1206BRD0750KL package
Needs validationlow risk

Near-identical precision resistor with a slightly different resistance value (50kΩ).

View details

Alternative comparison matrix

Feature / factorRT1206BRD0749K9LRT1206BRD0750KL1206W4F4992T5ERC1206FR-0749K9LCompatibility / risk
Package12061206120612061206 — Same package size.; 1206W4F4992T5E: Same package size.; RC1206FR-0749K9L: Same package size.; RT1206BRD0751KL: Same package size.
Resistance49.9 kΩ50 kΩ49.9 kΩ49.9 kΩ50 kΩ / 49.9 kΩ / 51 kΩ — Slightly different resistance value.; 1206W4F4992T5E: Same resistance value.; RC1206FR-0749K9L: Same resistance value.; RT1206BRD0751KL: Different resistance value.
Tolerance±0.1%±0.1%±1%±1%±0.1% / ±1% — Same high precision tolerance.; 1206W4F4992T5E: Wider tolerance, lower precision.; RC1206FR-0749K9L: Wider tolerance, lower precision.; RT1206BRD0751KL: Same high precision tolerance.
Power0.25 W0.25 W--0.25 W — Same power rating.
Tcr25 ppm/°C25 ppm/°C±100 ppm/°C±100 ppm/°C25 ppm/°C / ±100 ppm/°C — Same low temperature coefficient.; 1206W4F4992T5E: Higher TCR, less stable over temperature.; RC1206FR-0749K9L: Higher TCR, less stable over temperature.; RT1206BRD0751KL: Same low temperature coefficient.
TechnologyThin Film-Thick FilmThick FilmThick Film — General purpose tech vs precision thin film.; RC1206FR-0749K9L: General purpose tech vs precision thin film.

Application & sourcing insights

Questions & answers

Verified drop-in options for RT1206BRD0749K9L 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.