
ElecSuper
A bidirectional 5V TVS in the same SOD-323 package with higher power and current handling capabilities.
Searching for a replacement for the BSD3C051V TVS diode? This guide provides vetted alternatives, focusing on key electrical parameters like voltage, polarity, and power rating in the same SOD-323 package.
Viable candidates match key specs or offer improvements. Capacitance must be checked.
All viable candidates use the same SOD-323 package.
PSD05C-ES is a strong candidate for replacement, matching key specs and offering improved power and current handling in the same package.
PSD05C-ES is the most promising path, offering upgraded protection characteristics with minimal risk.
The primary risk when substituting is ensuring the candidate's dynamic characteristics, like clamping voltage and capacitance, are within the system's tolerance.

ElecSuper
A bidirectional 5V TVS in the same SOD-323 package with higher power and current handling capabilities.
| Feature / factor | BSD3C051V | PSD05C-ES | H5VHD3BC | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SOD-323 | SOD-323 | SOD-323 | SOD-323 — Same package and pin count.; H5VHD3BC: Same package and pin count. | |
| Polarity Or Type | Bidirectional | Bi-directional | Bi-directional | Bi-directional — Polarity matches target.; H5VHD3BC: Polarity matches target. Catalog data was incorrect. | |
| Voltage V | 5.0V | 5.0V | 5.0V | 5.0V — Reverse standoff voltage matches.; H5VHD3BC: Reverse standoff voltage matches. | |
| Power W | 350W | 550W | 400W | 550W / 400W — Higher peak pulse power rating.; H5VHD3BC: Slightly higher peak pulse power. | |
| Current A | 16A | 30A | - | 30A — Higher peak pulse current rating. | |
| Capacitance | 60pF | - | 100pF | 100pF — Higher capacitance may affect high-speed signals. |
PSD05C-ES is a strong alternative, offering the same 5V rating and bidirectional polarity in a SOD-323 package, with higher power (550W) and current (30A) ratings.