
TAIYO YUDEN
Pin-compatible match with identical key specs and added AEC-Q200 qualification.
0402B102K500CT is a general-purpose 1nF 50V X7R ceramic capacitor in a 0402 package, widely used for decoupling and filtering in commercial electronics. Numerous direct and upgraded alternatives are available.
Key ratings match. Upgrades to C0G/NP0 are generally safe but should be verified.
All suggested alternatives use the same 0402 package, ensuring form-fit compatibility.
This is a very common capacitor value and package, with many available suppliers.
Direct replacement for 0402B102K500CT should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Upgrade to a C0G/NP0 dielectric part like Murata's GCM1555C1H102FA16D for superior stability, tighter tolerance, and automotive qualification.
The main consideration is the dielectric type. While C0G/NP0 is an upgrade over X7R, its different electrical behavior (e.g., ESR) should be reviewed for sensitive circuits.

TAIYO YUDEN
Pin-compatible match with identical key specs and added AEC-Q200 qualification.
| Feature / factor | 0402B102K500CT | UMK105B7102KVHF | C1005X7R1H102KT000F | TCC0402X7R102K500AT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 Metric) | 0402 (1005 Metric) | 0402 (1005 Metric) | 0402 (1005 Metric) | 0402 (1005 Metric) — Form factor matches.; C1005X7R1H102KT000F: Form factor matches.; TCC0402X7R102K500AT: Form factor matches.; GCM1555C1H102FA16D: Form factor matches. |
| Voltage | 50.0V | 50.0V | 50.0V | 50.0V | 50.0V — Voltage rating matches.; C1005X7R1H102KT000F: Voltage rating matches.; TCC0402X7R102K500AT: Voltage rating matches. |
| Capacitance | 1.0nF | 1.0nF | 1.0nF | 1.0nF | 1.0nF — Capacitance value matches.; C1005X7R1H102KT000F: Capacitance value matches.; TCC0402X7R102K500AT: Capacitance value matches. |
| Dielectric | X7R | X7R | X7R | X7R | X7R / C0G — Dielectric type matches.; C1005X7R1H102KT000F: Dielectric type matches.; TCC0402X7R102K500AT: Dielectric type matches.; GCM1555C1H102FA16D: C0G offers superior stability over temperature and voltage vs. X7R. |
| Application | General Purpose | Yes | - | - | Yes / AEC-Q200 — Candidate is AEC-Q200 qualified, an upgrade over general purpose.; GCM1555C1H102FA16D: Candidate is automotive grade, an upgrade over general purpose. |
| Tolerance | ±10.0% | - | - | - | ±1.0% — Tighter tolerance provides higher precision. |
Verified drop-in options for 0402B102K500CT 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.