RTT022491FTH
RALEC
Needs validationmedium risk
RALEC RTT022491FTH matches the key 2.49kΩ ±1% 0402 resistor fields.
Best Alternatives to 0402WGF2491TCE
0402WGF2491TCE is a 2.49kΩ ±1% 0402 thick-film resistor. The closest listed match is RALEC RTT022491FTH, pending FAE review.
AI replacement insight
Electrical riskmedium
Check voltage, temp, and power margin.
Package risklow
Low for 0402 matches; high for 0603.
Firmware risklow
Passive resistor; no firmware.
Sourcing riskmedium
Availability not provided.
Can it be replaced directly?
Direct replacement for 0402WGF2491TCE should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Start with RTT022491FTH; use 0603WAF2491T5E only if 0603 footprint is acceptable.
Main risk
Voltage, temperature, footprint, and power margin need confirmation.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | 0402WGF2491TCE | RTT022491FTH | 0603WAF2491T5E | RC0402FR-072K4L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | - | - | 0402 — same size |
| Pinout | 2-pin | 2-pin | - | - | 2-pin — same terminal count |
| Resistance | 2.49kΩ | 2.49kΩ | - | - | 2.4kΩ — -3.6% |
| Tolerance | ±1% | ±1% | - | - | ±1% — same class |
| Power | 0.0625W | 0.0625W | - | - | 0.1W — meets 1.5x rule |
| Voltage | 50V | - | 75V | - | 75V — web evidence |
| Temperature | -55 to 155C | - | - | - | — |
Application & sourcing insights
Questions & answers
Verified drop-in options for 0402WGF2491TCE 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.