CC0402JRX7R9BB101
Yageo
Needs validationlow risk
A strong pin-to-pin match with identical key parameters and an improved, tighter tolerance.
Best Alternatives to 0402B101K500CT
Find the best replacements for the Walsin 0402B101K500CT, a 100pF 50V 10% X7R capacitor. This guide provides a verified pin-compatible option and several functional alternatives requiring review.
AI replacement insight
Electrical riskmedium
Using a C0G/NP0 capacitor instead of X7R changes temperature and voltage stability characteristics.
Package risklow
All top candidates are in the same 0402 package, ensuring physical compatibility.
Can it be replaced directly?
Yes, the Yageo CC0402JRX7R9BB101 is a pin-to-pin replacement with identical key parameters and a tighter tolerance, making it a safe upgrade.
Best replacement path
The Yageo CC0402JRX7R9BB101 is the best direct replacement, offering identical ratings with a superior ±5% tolerance.
Main risk
The main risk is substituting with a different dielectric type (e.g., C0G/NP0 instead of X7R), which can alter circuit performance and requires engineering validation.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | 0402B101K500CT | CC0402JRX7R9BB101 | 0402N101J500CT | C1005C0G2A101JT000F | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 Metric) | 0402 (1005 metric) | - | - | 0402 (1005 metric) / 0402 (1005 Metric) — Package size matches.; TCC0402COG101J500AT: Package size matches. |
| Voltage | 50.0V | 50.0V | - | 100.0V | 50.0V / 100.0V — Voltage rating matches.; C1005C0G2A101JT000F: Higher voltage rating is a safe upgrade. |
| Dielectric | X7R | X7R | NP0 (C0G) | C0G | X7R / NP0 (C0G) / COG — Dielectric type matches.; 0402N101J500CT: NP0 is more stable but not a direct X7R replacement.; C1005C0G2A101JT000F: C0G is more stable but not a direct X7R replacement.; TCC0402COG101J500AT: COG is more stable but not a direct X7R replacement. |
| Tolerance | 10.0% | 5.0% | 5.0% | 5.0% | 5.0% — Tighter tolerance is a safe upgrade.; 0402N101J500CT: Tighter tolerance is an upgrade.; C1005C0G2A101JT000F: Tighter tolerance is an upgrade.; TCC0402COG101J500AT: Tighter tolerance is an upgrade. |
| Manufacturer | Walsin Technology Corporation | - | Walsin Technology Corporation | - | Walsin Technology Corporation — Same manufacturer as target. |
Application & sourcing insights
Questions & answers
The best alternative is the Yageo CC0402JRX7R9BB101. It matches the package, capacitance, voltage, and dielectric, and offers a better tolerance of ±5%.