
Leiditech
A potential form-fit replacement with higher current and ESD ratings; pinout verification is mandatory.
AZ1045-04F is a 4-line, 5V TVS diode array in a DFN2510-10 package for high-speed interface protection. While no drop-in replacement is confirmed, several alternatives exist but require careful review of electrical parameters and pinout.
Multiple candidates share the same DFN2510-10 package.
Candidates have variations in ESD, current, and capacitance that require review.
Some top candidates have ambiguous manufacturer origins (clone vs. original), requiring careful sourcing.
Direct replacement for AZ1045-04F should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
TPD4E05U06DQAR is a promising path, offering higher current and ESD ratings, but its pinout and manufacturer source must be verified before use.
The main risk is pinout incompatibility or using a part with a lower ESD rating, which could compromise system reliability and protection.

Leiditech
A potential form-fit replacement with higher current and ESD ratings; pinout verification is mandatory.
| Feature / factor | AZ1045-04F | TPD4E05U06DQAR | RCLAMP0524P | TPESD5304D-10 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | DFN2510-10 | DFN2510-10 | - | - | DFN2510-10 — Package matches, pinout requires verification. |
| Voltage | 5.0V | 5.0V | - | - | 5.0V — Reverse working voltage matches. |
| Current | 4.0A | 5.0A | - | - | 5.0A — Higher peak pulse current. |
| Capacitance | 0.3pF | 0.3pF | - | - | 0.35pF — Slightly higher capacitance may impact high-speed signals. |
| Esd | ±25kV Air | ±30kV Air | - | - | ±30kV Air — Higher ESD rating offers better protection. |
Verified drop-in options for AZ1045-04F 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.