
Yageo
High-precision upgrade with superior tolerance (±0.1%) and TCR (10ppm), but different technology (Thin Film).
RTT051001FTP is a general-purpose 1kΩ 1% 1/8W 0805 thick film resistor. Alternatives exist with upgraded precision (thin film) or relaxed tolerance, requiring careful review of application needs.
Technology or tolerance mismatch requires circuit review.
All candidates share the standard 0805 package.
Many alternatives are available from multiple vendors.
No direct 1:1 replacement with identical key parameters was found. The closest options involve either upgrading to a higher-precision Thin Film part or downgrading to a wider tolerance (±5%) Thick Film part.
For higher precision, consider Yageo's RT series like RT0805DRD071KL, which offers tighter tolerance and TCR. Note the technology changes from Thick to Thin Film.
The primary risk is mismatch in resistor technology (Thick vs. Thin Film) or resistance tolerance.

Yageo
High-precision upgrade with superior tolerance (±0.1%) and TCR (10ppm), but different technology (Thin Film).
| Feature / factor | RTT051001FTP | RT0805BRB071KL | RT0805BRE071KL | RT0805DRD071KL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0805 | 0805 | 0805 | 0805 | 0805 — Package size matches.; RT0805BRE071KL: Package size matches.; RT0805DRD071KL: Package size matches.; RT0805FRD071KL: Package size matches. |
| Tolerance | ±1% | ±0.1% | ±0.1% | ±0.5% | ±0.1% / ±0.5% / ±1% — Candidate has much tighter tolerance.; RT0805BRE071KL: Candidate has much tighter tolerance.; RT0805DRD071KL: Candidate has tighter tolerance.; RT0805FRD071KL: Resistance tolerance matches. |
| Technology | Thick Film | Thin Film | Thin Film | Thin Film | Thin Film — Candidate is Thin Film, target is Thick Film.; RT0805BRE071KL: Candidate is Thin Film, target is Thick Film.; RT0805DRD071KL: Candidate is Thin Film, target is Thick Film.; RT0805FRD071KL: Candidate is Thin Film, target is Thick Film. |
| Tcr | ±100 ppm/°C | 10 ppm/°C | 50 ppm/°C | 25 ppm/°C | 10 ppm/°C / 50 ppm/°C / 25 ppm/°C — Candidate has a much better (lower) TCR.; RT0805BRE071KL: Candidate has a better (lower) TCR.; RT0805DRD071KL: Candidate has a better (lower) TCR.; RT0805FRD071KL: Candidate has a better (lower) TCR. |
| Resistance | 1 kΩ | - | - | - | 1 kΩ — Resistance value matches. |
The best alternative depends on your application. For higher precision, RT0805DRD071KL is an upgrade with ±0.5% tolerance. If cost is a concern and ±5% tolerance is acceptable, AC0805JR-071KL is a possible downgrade.