
UNI-ROYAL
A pin-compatible 0603 resistor with identical resistance, tolerance, power, and TCR ratings.
Find and compare replacements for the Fenghua RS-03K7871FT, a 7.87kΩ 1% 0.1W 0603 thick film resistor. This page analyzes pin-compatible and parametric alternatives to help you make an informed sourcing decision.
Using alternatives with different resistance values requires circuit analysis to ensure performance is not compromised.
All suggested alternatives use the same standard 0603 package, minimizing layout and assembly issues.
Yes, 0603WAF7871T5E from UNI-ROYAL is a direct, pin-compatible replacement for the RS-03K7871FT, matching its 7.87kΩ resistance, 1% tolerance, and 0603 package.
The UNI-ROYAL 0603WAF7871T5E is the best replacement, offering identical electrical and physical specifications as a pin-to-pin substitute.
The primary risk when substituting this part is a mismatch in resistance. Using a part with a different nominal resistance can alter circuit timing, gain, or bias points.

UNI-ROYAL
A pin-compatible 0603 resistor with identical resistance, tolerance, power, and TCR ratings.
| Feature / factor | RS-03K7871FT | 0603WAF7871T5E | ARG03BTC8201 | RS-03K7681FT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 | 0603 | 0603 | 0603 | 0603 — Identical package and pinout.; ARG03BTC8201: Identical package.; RS-03K7681FT: Identical package.; RS-03K8201FT: Identical package. |
| Resistance | 7.87 kΩ | 7.87 kΩ | 8.2 kΩ | 7.68 kΩ | 7.87 kΩ / 8.2 kΩ / 7.68 kΩ — Identical nominal resistance.; ARG03BTC8201: Resistance is 4.2% higher.; RS-03K7681FT: Resistance is 2.4% lower.; RS-03K8201FT: Resistance is 4.2% higher. |
| Tolerance | ±1% | ±1% | ±0.1% | ±1% | ±1% / ±0.1% — Identical resistance tolerance.; ARG03BTC8201: Tighter tolerance.; RS-03K7681FT: Identical tolerance.; RS-03K8201FT: Identical tolerance. |
| Power | 0.1 W | 0.1 W | - | - | 0.1 W — Identical power rating.; RS-03K8201FT: Identical power rating. |
| Tcr | ±100ppm/℃ | ±100 ppm/°C | ±25ppm/°C | - | ±100 ppm/°C / ±25ppm/°C — Identical temperature coefficient.; ARG03BTC8201: Better temperature stability. |
| Technology | Thick Film | - | Thin Film | - | Thin Film — Different resistor technology. |
The best alternative is 0603WAF7871T5E by UNI-ROYAL. It is a pin-to-pin replacement with identical key specifications: 7.87kΩ resistance, ±1% tolerance, 0.1W power, and a 0603 package.