
FH (Guangdong Fenghua Advanced Tech)
A 1nF 0603 capacitor with a tighter tolerance (±5%) but a significantly lower voltage rating (50V).
The FH 0603B102K101NT is a 1nF, 100V, X7R multilayer ceramic capacitor in a standard 0603 package. Finding a substitute requires matching capacitance, package, and ensuring the voltage rating is at least 100V.
Substitutes with lower voltage ratings (e.g., 50V) are not safe for a 100V application.
All candidates share the common 0603 package.
No direct, drop-in replacements were found in this review. All candidates with matching capacitance had a lower voltage rating, posing a significant risk.
Search for capacitors with 1nF capacitance, 100V or higher voltage, X7R dielectric, and 0603 package.
The primary risk is using a substitute with a lower voltage rating, which can lead to component failure.

FH (Guangdong Fenghua Advanced Tech)
A 1nF 0603 capacitor with a tighter tolerance (±5%) but a significantly lower voltage rating (50V).
| Feature / factor | 0603B102K101NT | 0603B102J500NT | 0603B102K500NT | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Capacitance | 1nF | 1nF | 1nF | 1nF — Capacitance value matches.; 0603B102K500NT: Capacitance value matches. | |
| Voltage | 100V | 50V | 50V | 50V — Candidate voltage is too low.; 0603B102K500NT: Candidate voltage is too low. | |
| Tolerance | ±10% | ±5% | ±10% | ±5% / ±10% — Tighter tolerance is an upgrade.; 0603B102K500NT: Tolerance matches. | |
| Package | 0603 | 0603 | 0603 | 0603 — Package size matches.; 0603B102K500NT: Package size matches. | |
| Tcr | X7R | X7R | X7R | X7R — Dielectric type matches.; 0603B102K500NT: Dielectric type matches. |
No ideal alternative was found. The closest options have a lower 50V rating, which is a high risk. Search for a 1nF, 100V (or higher), X7R, 0603 capacitor from other manufacturers.