
RUILON
A strong, pin-compatible alternative in a similar package with matching key voltages, but requires review.
P0080TA is a 6V Thyristor Surge Suppressor (TSS) in a DO-214AC (SMA) package for overvoltage protection. Finding a replacement requires matching the package, 6V off-state voltage, and 25V switching voltage.
SMB (DO-214AA) is generally footprint-compatible with SMA (DO-214AC), but board layout tolerances should be checked.
Candidates may have different holding current (IH) or peak pulse current (IPP) ratings, which must be verified against the application's needs.
The P0080S* series is produced by multiple manufacturers, offering good availability.
Direct replacement for P0080TA should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
P0080SA is the best alternative, offering a compatible package and matching key voltages, but requires review of its higher holding current.
The main risk is selecting a part with an incorrect voltage rating, which could fail to protect the circuit, or a different holding current, which could affect circuit recovery after a surge.

RUILON
A strong, pin-compatible alternative in a similar package with matching key voltages, but requires review.
| Feature / factor | P0080TA | P0080SA | P0300TA | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | DO-214AC (SMA) | SMB (DO-214AA) | DO-214AC (SMA) | SMB (DO-214AA) / DO-214AC (SMA) — Footprint compatible with target's DO-214AC (SMA).; P0300TA: Package matches target. | |
| Voltage | 25V | 25V | 40V | 25V / 40V — Switching Voltage (VS) matches.; P0300TA: Switching Voltage (VS) is higher. | |
| Current | 50A | 45A | 50mA | 45A / 50mA — Peak Pulse Current (IPP) is slightly lower.; P0300TA: Holding Current (IH) is higher. |
Verified drop-in options for P0080TA 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.