Is there a pin-compatible replacement for RC0201FR-0749K9L?

No pin-compatible replacements have been identified in this analysis. All candidates with similar electrical characteristics have different package sizes (e.g., 0603, 0805), which are not physically interchangeable on a PCB designed for a 0201 component.

What risks should I check before replacing RC0201FR-0749K9L?

When considering alternatives, the primary risk is physical incompatibility. Verify the package size (0201) and land pattern. Also check for any parametric differences in resistance, tolerance, power rating, and temperature coefficient (TCR) to ensure circuit performance is not affected.

RC0201FR-0749K9L Alternatives, Datasheet & Cross Reference | Yageo

Yageo's RC0201FR-0749K9L is a general-purpose 49.9 kΩ, 1% tolerance, 1/20W thick film resistor in a compact 0201 package. It is widely used in various electronic circuits for current limiting and voltage division.

AI replacement insight

Package riskhigh

No same-package alternatives were found with correct resistance.

Electrical riskmedium

Some alternatives have slightly different resistance values that require circuit analysis.

Sourcing risklow

0201 49.9kΩ 1% resistors are common components from multiple vendors.

Can it be replaced directly?

No direct, drop-in replacement was found. Alternatives require PCB redesign due to different package sizes or have different resistance values.

Best replacement path

Find a 49.9kΩ, 1%, 1/20W (or higher) resistor in a 0201 package from another manufacturer.

Main risk

The main risk is package mismatch. Using a substitute with a different package (e.g., 0603) requires a new PCB layout.

Recommended alternatives

Functional alternative with same resistance but in a larger 0603 package.

View details

Alternative comparison matrix

Feature / factor	RC0201FR-0749K9L	RC0603FR-0749K9L	AC0603FR-0752K3L	RC0805FR-0751KL	Compatibility / risk
Package	0201	0603	-	-	0805 — Not a drop-in replacement.
Resistance	49.9kΩ	49.9kΩ	-	-	51kΩ — 2.2% higher resistance, may affect circuit behavior.
Tolerance	1%	1%	-	-	1% — matched
Power	0.05W	0.1W	-	-	0.1W — Higher power rating.
Tcr	±200 ppm/°C	±100 ppm/°C	-	-	±100 ppm/°C — Improved temperature stability.
Application	General Purpose	-	AEC-Q200	-	AEC-Q200 — Automotive grade is an upgrade.

Application & sourcing insights

Questions & answers

There are no direct pin-compatible replacements with identical parameters. Functional alternatives like Yageo's RC0603FR-0749K9L offer the same electrical specs but in a larger 0603 package, requiring PCB layout changes.