0402B102K500CT
Walsin Technology Corporation
Needs validationmedium risk
Parametrically identical but lacks the target's AEC-Q200 automotive qualification.
Best Alternatives to UMK105B7102KVHF
Finding a substitute for the UMK105B7102KVHF, an AEC-Q200 qualified 1nF 50V 0402 capacitor, requires careful attention to both its automotive-grade rating and X7R dielectric characteristic.
AI replacement insight
Application riskhigh
Substituting a non-AEC-Q200 part in an automotive design can lead to reliability issues and failure to meet standards.
Electrical riskmedium
Switching from X7R to C0G dielectric changes capacitance stability over temperature and voltage, which may affect circuit performance.
Can it be replaced directly?
Direct replacement for UMK105B7102KVHF should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For automotive use, GCM1555C1H102FA16D is a strong upgrade path, matching the AEC-Q200 grade with improved C0G dielectric. For general-purpose use, TCC0402X7R102K500AT is a direct parametric match.
Main risk
The main risks are using a non-automotive grade part in an automotive application, or not validating the circuit impact of changing the dielectric from X7R to C0G.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | UMK105B7102KVHF | 0402B102K500CT | C1005X7R1H102KT000F | TCC0402X7R102K500AT | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 Metric) | 0402 (1005 Metric) | 0402 (1005 Metric) | 0402 (1005 Metric) | 0402 (1005 Metric) — Same package size.; C1005X7R1H102KT000F: Same package size.; TCC0402X7R102K500AT: Same package size.; GCM1555C1H102FA16D: Same package size. |
| Voltage | 50V | 50V | 50V | 50V | 50V — Voltage rating matches.; C1005X7R1H102KT000F: Voltage rating matches.; TCC0402X7R102K500AT: Voltage rating matches. |
| Capacitance | 1nF, ±10% | 1nF, ±10% | 1nF, ±10% | 1nF, ±10% | 1nF, ±10% — Capacitance and tolerance match.; C1005X7R1H102KT000F: Capacitance and tolerance match.; TCC0402X7R102K500AT: Capacitance and tolerance match. |
| Application | AEC-Q200 | General Purpose | General Purpose | General Purpose | General Purpose / AEC-Q200 — Target is AEC-Q200 qualified.; C1005X7R1H102KT000F: Target is AEC-Q200 qualified.; TCC0402X7R102K500AT: Target is AEC-Q200 qualified.; GCM1555C1H102FA16D: Application grade matches. |
| Dielectric | X7R | - | - | X7R | X7R / C0G — Dielectric type matches.; GCM1555C1H102FA16D: C0G is more stable than X7R. |
| Tolerance | ±10% | - | - | - | ±1% — Tighter tolerance is an upgrade. |
Application & sourcing insights
Questions & answers
Verified drop-in options for UMK105B7102KVHF 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.