RC1206FR-0749K9L
Yageo
Needs validationlow risk
Strong pin-to-pin candidate with matching package, resistance, tolerance, and power rating.
Best Alternatives to 1206W4F4992T5E
Find verified substitutes for the 1206W4F4992T5E, a 49.9kΩ 1% 0.25W 1206 thick film resistor. Review pin-compatible, upgrade, and parametric alternatives from leading manufacturers.
AI replacement insight
Electrical riskmedium
Some alternatives have different technology or operating temperatures that must be verified.
Package risklow
Most suitable candidates share the same 1206 package, ensuring physical compatibility.
Sourcing risklow
This is a common resistor value with multiple manufacturers, ensuring good availability.
Can it be replaced directly?
Direct replacement for 1206W4F4992T5E should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
RC1206FR-0749K9L from Yageo is a strong pin-to-pin match with identical key specifications and package.
Main risk
The main risks involve using alternatives with different technology (e.g., Thin Film) or a significant resistance deviation, which requires circuit validation.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | 1206W4F4992T5E | RC1206FR-0749K9L | RT1206BRD0749K9L | FRC1206F4702TS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 1206 | 1206 | 1206 | 1206 | 1206 — Identical package and pin count.; RT1206BRD0749K9L: Identical package and pin count.; FRC1206F4702TS: Identical package and pin count. |
| Resistance | 49.9 kΩ | 49.9 kΩ | 49.9 kΩ | 47.0 kΩ | 49.9 kΩ / 47.0 kΩ — Resistance values are identical.; RT1206BRD0749K9L: Resistance values are identical.; FRC1206F4702TS: Resistance deviates by -5.8%. |
| Tolerance | 1.0% | 1.0% | 0.1% | 1.0% | 1.0% / 0.1% — Tolerance values are identical.; RT1206BRD0749K9L: Tighter tolerance offers higher precision.; FRC1206F4702TS: Tolerance values are identical. |
| Power | 0.25 W | 0.25 W | - | 0.25 W | 0.25 W — Power ratings are identical.; FRC1206F4702TS: Power ratings are identical. |
| Technology | Thick Film | Thick Film | Thin Film | Thick Film | Thick Film / Thin Film — Both are standard thick film resistors.; RT1206BRD0749K9L: Different technology may affect noise or pulse handling.; FRC1206F4702TS: Technology is identical. |
| Tcr | ±100 ppm/°C | - | 25 ppm/°C | - | 25 ppm/°C — Lower TCR provides better stability over temperature. |
| Temperature | -55°C to +155°C | - | -55°C to +125°C | - | -55°C to +125°C — Narrower maximum operating temperature. |
Application & sourcing insights
Questions & answers
Verified drop-in options for 1206W4F4992T5E 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.