
FOJAN
A pin-compatible upgrade with tighter tolerance (±1%) and better temperature stability (±100 ppm/°C).
Find verified substitutes for the FRC0805J821 TS, an 820Ω 5% 0.125W 0805 thick film resistor. Explore pin-compatible upgrades and alternatives from multiple vendors.
Many compatible options with same or better specs are available.
0805 is a highly standardized SMT package.
This is a very common resistor value with multiple manufacturers.
Direct replacement for FRC0805J821 TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Upgrade to a 1% tolerance part like FRC0805F8200TS for better precision at minimal cost.
The main risk is selecting a part with the wrong resistance value or a wider tolerance than the original design assumes.

FOJAN
A pin-compatible upgrade with tighter tolerance (±1%) and better temperature stability (±100 ppm/°C).
| Feature / factor | FRC0805J821 TS | FRC0805F8200TS | RS-05K8200FT | FRC0805F8060TS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0805 | 0805 | 0805 | 0805 | 0805 — Same EIA package.; RS-05K8200FT: Same EIA package.; FRC0805F8060TS: Same EIA package.; RT0805BRD07820RL: Same EIA package. |
| Resistance | 820 Ω | 820 Ω | 820 Ω | 806 Ω | 820 Ω / 806 Ω — Identical nominal resistance.; RS-05K8200FT: Identical nominal resistance.; FRC0805F8060TS: Different nominal value, but functionally compatible. |
| Power | 0.125 W | 0.125 W | - | - | 0.125 W — Same power rating. |
| Tolerance | ±5% | ±1% | ±1% | ±1% | ±1% / ±0.1% — Tighter tolerance provides higher precision.; RS-05K8200FT: Tighter tolerance provides higher precision.; FRC0805F8060TS: Tighter tolerance ensures value is within target's range.; RT0805BRD07820RL: Significantly higher precision. |
| Tcr | ±400 ppm/°C | ±100 ppm/°C | ±100 ppm/°C | ±100 ppm/°C | ±100 ppm/°C / 25 ppm/°C — Improved temperature stability.; RS-05K8200FT: Improved temperature stability.; FRC0805F8060TS: Improved temperature stability.; RT0805BRD07820RL: Significantly improved temperature stability. |
| Technology | Thick Film | - | - | - | Thin Film — Different technology may affect noise/pulse performance. |
Verified drop-in options for FRC0805J821 TS 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.