
FOJAN
Same-manufacturer upgrade with tighter tolerance (±1%) and superior temperature stability (TCR ±100ppm/°C).
FRC0603J221 TS is a general-purpose 220Ω, 5%, 0.1W resistor in a 0603 package. Several pin-compatible upgrades with tighter 1% tolerance are readily available.
Upgrading from 5% to 1% tolerance is a low-risk improvement for most circuits.
Recommended alternatives are in the identical 0603 package.
This is a common resistor value with many available cross-vendor options.
Yes, there are many direct replacements. FRC0603F2200TS is a direct upgrade from the same brand, offering better performance.
Upgrade to a 1% tolerance resistor like FRC0603F2200TS for better precision, often at a similar cost.
The primary risk is minimal, mainly ensuring the circuit functions as expected with a tighter tolerance resistor, which is typically beneficial.

FOJAN
Same-manufacturer upgrade with tighter tolerance (±1%) and superior temperature stability (TCR ±100ppm/°C).
| Feature / factor | FRC0603J221 TS | FRC0603F2200TS | 0603WAF2200T5E | RS-03K2200FT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | - | - | 0603 — Identical package and land pattern. |
| Resistance | 220.0 Ω | 220.0 Ω | - | - | 220.0 Ω — Identical resistance value. |
| Tolerance | ±5.0% | ±1.0% | - | - | ±1.0% — Tighter tolerance provides higher precision. |
| Power | 0.1 W | 0.1 W | - | - | 0.1 W — Identical power rating. |
| Tcr | ±400 ppm/°C | ±100 ppm/°C | - | - | ±100 ppm/°C — Lower TCR ensures better stability over temperature. |
FRC0603F2200TS from the same manufacturer, FOJAN, is an excellent upgrade, offering a tighter ±1% tolerance and better temperature stability in the same 0603 package.