ES3DB
MDD
Needs validationlow risk
A potential direct replacement with identical key specs (200V, 3A, ~35ns trr) and package.
Best Alternatives to ES3D
ES3D is a 200V, 3A super-fast recovery diode in a compact SMB package, ideal for high-frequency switching power supplies. Finding a replacement requires matching the recovery time (trr) and forward voltage (Vf) closely.
AI replacement insight
Electrical riskhigh
Using a standard or Schottky diode will likely cause failure. Slower trr impacts performance.
Package risklow
Many alternatives exist in the same DO-214AA (SMB) package.
Can it be replaced directly?
Direct replacement for ES3D should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
ES3DB for a direct match or ES3JB for a voltage upgrade.
Main risk
Substituting with a diode of the wrong type (Standard or Schottky) or a significantly slower recovery time.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | ES3D | ES3DB | ES3JB | MURS360B | Compatibility / risk |
|---|---|---|---|---|---|
| Package | DO-214AA (SMB) | DO-214AA (SMB) | DO-214AA (SMB) | DO-214AA (SMB) | DO-214AA (SMB) — Same package and footprint.; ES3JB: Same package and footprint.; MURS360B: Same package and footprint. |
| Voltage | 200V | 200V | 600V | 600V | 200V / 600V — Same reverse voltage rating.; ES3JB: Higher voltage rating provides more design margin.; MURS360B: Higher voltage rating provides more margin. |
| Current | 3A | 3A | 3A | - | 3A — Same average forward current.; ES3JB: Same average forward current. |
| Application | Super Fast (~35ns) | Super Fast (~35ns) | Fast Recovery | 50ns | Super Fast (~35ns) / Fast Recovery / 50ns — Matches target's super-fast recovery time.; ES3JB: Same diode family, likely similar trr.; MURS360B: Slower recovery time may affect high-frequency performance. |
| Power | 0.95V @ 3A | - | - | 1.25V @ 3A | 1.25V @ 3A — Higher forward voltage increases conduction losses. |
Application & sourcing insights
Questions & answers
Verified drop-in options for ES3D 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.