| Manufacturer | Part Number | Description |
|---|---|---|
LRC
| SM550BF | Schottky Barrier Rectifiers |
LRC
| SM550B | Schottky Barrier Rectifiers |
| GW | SM550B | 5.0 AMP SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS |
Leshan Radio Company
| SM550BF-E | Schottky Barrier Rectifiers |