
Walsin Technology Corporation
A strong pin-compatible alternative with matching key electrical and physical specs.
RTT0222R0FTH is a standard 22Ω, 1%, 1/16W thick film resistor in a 0402 package. As a common component, numerous direct and alternative replacements are available from various manufacturers, ensuring supply chain flexibility.
Key parameters are standard; secondary specs are the main variable.
The 0402 package is a well-defined industry standard.
Direct replacement for RTT0222R0FTH should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Use a direct cross from another vendor, such as Walsin's WR04X22R0FTL, for a seamless replacement.
The main risk is overlooking secondary electrical characteristics like pulse handling or minor variations in temperature coefficient (TCR).

Walsin Technology Corporation
A strong pin-compatible alternative with matching key electrical and physical specs.
| Feature / factor | RTT0222R0FTH | WR04X22R0FTL | 0402WGF221JTCE | RT0402BRD0722RL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Identical package size.; 0402WGF221JTCE: Identical package size.; RT0402BRD0722RL: Identical package size. |
| Resistance | 22.0 Ω | 22.0 Ω | 22.1 Ω | - | 22.0 Ω / 22.1 Ω — Identical resistance value.; 0402WGF221JTCE: Negligible 0.45% difference, within tolerance band. |
| Tolerance | ±1% | ±1% | ±1% | ±0.1% | ±1% / ±0.1% — Identical tolerance.; 0402WGF221JTCE: Identical tolerance.; RT0402BRD0722RL: Tighter tolerance. |
| Power | 1/16 W | 1/16 W | 1/16 W | - | 1/16 W — Identical power rating.; 0402WGF221JTCE: Identical power rating. |
| Technology | Thick Film | Thick Film | - | Thin Film | Thick Film / Thin Film — Same resistor technology.; RT0402BRD0722RL: Upgrade to more stable technology. |
| Tcr | Not specified (typically >100) | - | - | 25 ppm/°C | 25 ppm/°C — Significantly better temperature stability. |
Verified drop-in options for RTT0222R0FTH 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.