Is there a pin-compatible replacement for RC0402FR-074K3L?

UNI-ROYAL 0402WGF4301TCE is a potential pin-compatible candidate in the same 0402 package. However, careful review of its power rating and temperature coefficient (TCR) is required before considering it a drop-in replacement.

What risks should I check before replacing RC0402FR-074K3L?

Key risks include: 1) ensuring the substitute's power rating provides sufficient margin, 2) verifying the resistance value is within your circuit's tolerance, and 3) confirming the package size (0402) matches your PCB layout.

RC0402FR-074K3L Alternatives, Datasheet & Cross Reference | Yageo

Find and compare alternatives for the Yageo RC0402FR-074K3L, a 4.3kΩ 1% 0402 chip resistor. Review parametric and functional substitutes, noting differences in power rating, package size, and resistance.

AI replacement insight

Electrical riskmedium

Substitutes may have different resistance, power rating, or TCR.

Package riskhigh

Some alternatives are in larger packages (0603/0805) and are not physically compatible.

Sourcing risklow

Alternatives are available from multiple vendors.

Can it be replaced directly?

No verified direct drop-in replacement has been identified. The closest candidate, 0402WGF4301TCE, requires engineering review due to potential power rating and TCR differences.

Best replacement path

The most direct path is UNI-ROYAL 0402WGF4301TCE, which matches key parameters but requires verification of power rating and TCR. For new designs, consider up-rated parts in 0603/0805 packages.

Main risk

The main risk is substituting with a part that has a different resistance value or an insufficient power rating, potentially affecting circuit performance and reliability.

Recommended alternatives

Same resistance and 0402 package, but power rating and TCR require engineering review before use.

View details

Alternative comparison matrix

Feature / factor	RC0402FR-074K3L	0402WGF4301TCE	0603WAF4301T5E	0805W8F4301T5E	Compatibility / risk
Resistance	4.3 kΩ	4.3 kΩ	-	-	4.3 kΩ — Resistance value matches.
Package	0402 (1005 metric)	0402	-	-	0805 — Larger package, not a drop-in replacement.
Power	0.0625 W	0.0625 W	-	-	0.125 W — Higher power rating is a safe upgrade.
Tcr	±100 ppm/°C	Unknown	-	-	Unknown — TCR not specified, must be verified for precision circuits.
Voltage	50 V	50 V	-	-	75 V — Higher voltage rating is a safe upgrade.

Application & sourcing insights

Questions & answers

UNI-ROYAL 0402WGF4301TCE offers the same resistance, tolerance, and 0402 package, but its power rating and TCR should be verified for your application. Other options may have different resistance values or package sizes.