Is there a pin-compatible replacement for RT0805BRD073K4L?

No pin-compatible replacement with the exact 3.4kΩ resistance value was identified. Several alternatives like RT0805BRD073K3L share the same 0805 package and pinout, but the difference in resistance means they are not direct drop-in replacements.

What risks should I check before replacing RT0805BRD073K4L?

Before replacing, you must verify the impact of the resistance change on your circuit's performance. For a precision part, even a small deviation can affect accuracy. Also, confirm that the tolerance (±0.1%) and TCR (25 ppm/°C) of the substitute are not worse than the original.

RT0805BRD073K4L Alternatives, Datasheet & Cross Reference | Yageo

Finding a substitute for the Yageo RT0805BRD073K4L, a 3.4kΩ 0.1% precision resistor, requires careful parametric matching. While no exact drop-in replacements are common, several alternatives offer similar performance with slight resistance variations.

AI replacement insight

Electrical riskmedium

Resistance mismatch requires recalculating circuit behavior. Tolerance or TCR downgrades would increase risk.

Package risklow

All viable candidates share the same 0805 package, ensuring physical compatibility.

Can it be replaced directly?

No direct, drop-in replacement with identical resistance was found. All viable alternatives have slightly different resistance values and require engineering review.

Best replacement path

The best path is to find a substitute with an identical 3.4kΩ resistance, ±0.1% tolerance, and 25ppm/°C TCR. If unavailable, a part from the same series like RT0805BRD073K3L (3.3kΩ) is the closest option but requires circuit validation.

Main risk

The primary risk is the deviation in resistance value, which can alter the behavior of precision circuits like voltage dividers, filters, or feedback networks.

Recommended alternatives

Parametrically similar Yageo resistor in the same family, but with a 3.3kΩ resistance value.

View details

Alternative comparison matrix

Feature / factor	RT0805BRD073K4L	RT0805BRD073K3L	TC0525B3241T5G	Compatibility / risk
Package	0805	0805	0805	0805 — Same package ensures form-fit compatibility.; TC0525B3241T5G: Same package ensures form-fit compatibility.
Resistance	3.4 kΩ	3.3 kΩ	3.24 kΩ	3.3 kΩ / 3.24 kΩ — Resistance differs by ~3%. Requires circuit analysis.; TC0525B3241T5G: Resistance differs by ~4.7%. Requires circuit analysis.
Tolerance	±0.1%	±0.1%	±0.1%	±0.1% — Precision tolerance matches target.; TC0525B3241T5G: Precision tolerance matches target.
Tcr	25 ppm/°C	25 ppm/°C	25 ppm/°C	25 ppm/°C — Temperature coefficient matches target.; TC0525B3241T5G: Temperature coefficient matches target.
Technology	Thin Film	Thin Film	-	Thin Film — Same technology ensures similar stability and noise characteristics.

Application & sourcing insights

Questions & answers

The best available alternative is RT0805BRD073K3L from the same manufacturer, Yageo. It matches all key specs except for resistance (3.3kΩ vs 3.4kΩ), which requires engineering validation for your specific application.