AC0402FRNPO9BN120
Yageo
Needs validationlow risk
An upgrade with tighter ±1% tolerance and automotive qualification in the same 0402 package.
Best Alternatives to 0402N120J500CT
Find pin-compatible and upgrade path replacements for the Walsin 0402N120J500CT, a 12pF 50V 0402 NP0 ceramic capacitor. Alternatives from Yageo and CCTC offer matching parameters, tighter tolerance, or automotive-grade qualification.
AI replacement insight
Electrical risklow
Key parameters match or are improved. COG/NP0 are equivalent.
Package risklow
All candidates use the same 0402 package.
Sourcing riskmedium
Automotive-grade parts may have different cost and lead times than commercial grade.
Can it be replaced directly?
Direct replacement for 0402N120J500CT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Upgrade to Yageo AC0402FRNPO9BN120 for tighter tolerance and automotive rating.
Main risk
The main risk is minor, involving ensuring the functional equivalence of COG and NP0 dielectrics if selecting a part specified as COG.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | 0402N120J500CT | AC0402FRNPO9BN120 | AC0402JRNPO9BN120 | TCC0402COG120J500AT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 Metric) | 0402 (1005 Metric) | 0402 (1005 metric) | 0402 (1005 Metric) | 0402 (1005 Metric) / 0402 (1005 metric) — Package size matches.; AC0402JRNPO9BN120: Package size matches.; TCC0402COG120J500AT: Package size matches. |
| Capacitance | 12 pF | 12 pF | 12 pF | 12 pF | 12 pF — Capacitance matches.; AC0402JRNPO9BN120: Capacitance matches.; TCC0402COG120J500AT: Capacitance matches. |
| Voltage | 50 V | 50 V | 50 V | 50 V | 50 V — Voltage rating matches.; AC0402JRNPO9BN120: Voltage rating matches.; TCC0402COG120J500AT: Voltage rating matches. |
| Tolerance | ±5% | ±1% | - | ±5% | ±1% / ±5% — Tighter tolerance is an upgrade.; TCC0402COG120J500AT: Tolerance matches. |
| Application | General Purpose | AEC-Q200 | AEC-Q200 | - | AEC-Q200 — Candidate is automotive grade.; AC0402JRNPO9BN120: Candidate is automotive grade. |
| Dielectric | NP0 | - | NP0 (C0G) | COG | NP0 (C0G) / COG — Dielectric matches.; TCC0402COG120J500AT: COG is functionally equivalent to NP0. |
Application & sourcing insights
Questions & answers
Verified drop-in options for 0402N120J500CT 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.