CC0603KRX7R9BB361
Yageo
Needs validationlow risk
A very close alternative with identical package, voltage, dielectric, and a capacitance value within the target's tolerance.
Best Alternatives to CC0603KRX7R9BB391
Finding a substitute for the Yageo CC0603KRX7R9BB391, a 390pF 50V 10% X7R capacitor in an 0603 package, involves matching key electrical parameters. Several alternatives exist with varying degrees of compatibility.
AI replacement insight
Electrical riskmedium
Capacitance and dielectric differences require engineering review to ensure circuit compatibility.
Package risklow
All suggested alternatives use the same 0603 package, ensuring physical compatibility.
Can it be replaced directly?
Direct replacement for CC0603KRX7R9BB391 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For a near-direct replacement, CC0603KRX7R9BB361 is the best option as its capacitance is within the original's tolerance. For a stability upgrade, consider CC0603FRNPO9BN391 with its NP0 dielectric.
Main risk
The primary risk when substituting is a mismatch in capacitance, which can alter the performance of filters, timing circuits, or decoupling networks.
Recommended alternatives
5Alternative comparison matrix
| Feature / factor | CC0603KRX7R9BB391 | CC0603KRX7R9BB361 | CC0603FRNPO9BN391 | CC0603KRX7R0BB471 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0603 (1608 metric) | 0603 (1608 metric) | 0603 (1608 metric) | 0603 (1608 metric) | 0603 (1608 metric) — Form and fit are identical.; CC0603FRNPO9BN391: Form and fit are identical.; CC0603KRX7R0BB471: Form and fit are identical.; CC0603KRX7R9BB271: Form and fit are identical. |
| Capacitance | 390 pF | 360 pF | 390 pF | 470 pF | 360 pF / 390 pF / 470 pF / 270 pF — Capacitance is ~8% lower, within target's tolerance.; CC0603FRNPO9BN391: Nominal capacitance is identical.; CC0603KRX7R0BB471: Capacitance is ~20% higher.; CC0603KRX7R9BB271: Capacitance is ~31% lower. |
| Voltage | 50 V | 50 V | 50 V | 100 V | 50 V / 100 V — Voltage rating is identical.; CC0603FRNPO9BN391: Voltage rating is identical.; CC0603KRX7R0BB471: Voltage rating is higher.; CC0603KRX7R9BB271: Voltage rating is identical. |
| Dielectric | X7R | X7R | NP0 (C0G) | X7R | X7R / NP0 (C0G) — Dielectric type is identical.; CC0603FRNPO9BN391: Candidate has a more stable Class 1 dielectric.; CC0603KRX7R0BB471: Dielectric type is identical.; CC0603KRX7R9BB271: Dielectric type is identical. |
| Tolerance | ±10% | - | ±1% | - | ±1% — Candidate has tighter tolerance. |
Application & sourcing insights
Questions & answers
Verified drop-in options for CC0603KRX7R9BB391 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.