
onsemi
Same-family upgrade from onsemi with identical voltage and package, but higher 3A current rating.
MURS160T3G is a 600V, 1A AEC-Q101 qualified ultrafast rectifier in an SMB package, designed for high-frequency automotive and industrial applications. Finding a suitable replacement requires matching its ultrafast recovery time (trr) and package.
Substituting a slow (standard) diode for an ultrafast one will cause malfunction.
The SMB (DO-214AA) package is common and standardized.
AEC-Q101 qualification may be required for automotive uses, limiting options.
Direct replacement for MURS160T3G should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Upgrade within the same onsemi MURS family to MURS360BT3G for a higher 3A current rating.
Using a standard recovery diode instead of an ultrafast one, which can lead to excessive heat and circuit failure in high-frequency designs.

onsemi
Same-family upgrade from onsemi with identical voltage and package, but higher 3A current rating.
| Feature / factor | MURS160T3G | MURS360BT3G | STTH112U | STTH212U | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SMB (DO-214AA) | SMB (DO-214AA) | SMB | SMB | SMB (DO-214AA) — Identical package.; STTH112U: Package is form-factor compatible.; STTH212U: Package is form-factor compatible. |
| Voltage | 600V | 600V | 1200V | 1200V | 600V / 1200V — Voltage rating matches target.; STTH112U: Higher voltage rating provides more margin.; STTH212U: Higher voltage rating provides more margin. |
| Current | 1A | 3A | 1A | 2A | 3A / 1A / 2A — Higher current rating provides more margin.; STTH112U: Current rating matches target.; STTH212U: Higher current rating. |
| Manufacturer | onsemi | onsemi | - | - | onsemi — Same manufacturer and product family. |
| Application | Ultrafast, AEC-Q101 | - | Ultrafast | Ultrafast | Ultrafast — Functionally similar, but trr and AEC-Q must be verified.; STTH212U: Functionally similar, but trr must be verified. |
Verified drop-in options for MURS160T3G 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.