BPESD0402-05ST
BORN
Needs validationlow risk
Excellent candidate with matching 0402 package, 5V rating, and 0.05pF capacitance.
Best Alternatives to PESD0402V05
Finding a replacement for the DOWO PESD0402V05, a 5V bi-directional ESD diode in an 0402 package, requires matching its ultra-low capacitance (0.05pF) for high-speed applications.
AI replacement insight
Electrical riskhigh
Capacitance must be matched to avoid signal integrity issues.
Package risklow
0402 is a standard package, but land pattern should be checked.
Sourcing risklow
Multiple vendors produce similar parts, offering sourcing flexibility.
Can it be replaced directly?
Direct replacement for PESD0402V05 should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Leiditech's LXES15AAA1-153 is the most promising replacement, matching all key parameters including the critical ultra-low capacitance.
Main risk
The primary risk is substituting with a part that has higher capacitance, which would degrade the performance of high-speed data lines.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | PESD0402V05 | BPESD0402-05ST | LXES15AAA1-153 | RCLAMP0521P.TCT-MS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | - | - | 0402 — Matches target package. |
| Polarity | Bi-directional | Bi-directional | - | - | Bi-directional — Matches target function based on datasheet evidence. |
| Voltage | 5.0V | 5.0V | - | - | 5.0V — Matches operating voltage. |
| Capacitance | 0.05pF | 0.05pF | - | - | 0.25pF — Capacitance is 5x higher, may affect signal integrity. |
| Leakage | 10nA | - | <10nA | - | <10nA — Matches leakage current specification. |
Application & sourcing insights
Questions & answers
Verified drop-in options for PESD0402V05 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.