PESD0402V05
DOWO
Needs validationlow risk
A strong alternative in the same 0402 package with matching 5V standoff voltage and 0.05pF capacitance.
Best Alternatives to BPESD0402-05ST
Find and compare replacements for the BPESD0402-05ST, an ultra-low capacitance TVS diode. This analysis covers pin-compatible alternatives and functional matches for high-speed 5V circuit protection.
AI replacement insight
Electrical riskmedium
Must verify capacitance and clamping voltage.
Package risklow
All viable candidates are in the same 0402 package.
Firmware risklow
This is a passive component with no firmware.
Sourcing riskmedium
Availability and lead times of alternatives should be checked.
Can it be replaced directly?
Direct replacement for BPESD0402-05ST should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
The most promising path is evaluating PESD0402V05 for a direct replacement, as it aligns on all key parameters. For a different technology option, LXES15AAA1-153 is a functional alternative.
Main risk
The main risk is selecting a part with higher capacitance (e.g., >0.1pF), which can compromise signal integrity on high-speed data lines like USB or HDMI.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | BPESD0402-05ST | PESD0402V05 | LXES15AAA1-153 | RCLAMP0521P.TCT-MS | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | - | - | 0402 — Identical package. |
| Voltage | 5.0V | 5.0V | - | - | 5.0V — Matches reverse standoff voltage. |
| Capacitance | 0.05pF | 0.05pF | - | - | 0.25pF — Significantly higher capacitance may impact signal integrity. |
| Polarity | Bidirectional | Bidirectional | - | - | Bidirectional — Matches bidirectional configuration. |
| Technology | Silicon Diode | - | Polymeric Suppressor | - | Polymeric Suppressor — Different protection technology may alter clamping behavior. |
| Clamping Voltage | 40V | - | - | 25V | 25V — Lower clamping voltage is generally better. |
Application & sourcing insights
Questions & answers
Verified drop-in options for BPESD0402-05ST 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.