| Part Number | 1SMA15CAT3G | 1SMA12CAT3G | 
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | 
| Category | TVS - Diodes | TVS - Diodes | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Type | Zener | Zener | 
| Unidirectional Channels | - | - | 
| Bidirectional Channels | 1 | 1 | 
| Voltage - Reverse Standoff (Typ) | 15V | 12V | 
| Voltage - Breakdown (Min) | 16.7V | 13.3V | 
| Voltage - Clamping (Max) @ Ipp | 24.4V | 19.9V | 
| Current - Peak Pulse (10/1000µs) | 16.4A | 20.1A | 
| Power - Peak Pulse | 400W | 400W | 
| Power Line Protection | No | No | 
| Applications | General Purpose | General Purpose | 
| Capacitance @ Frequency | 400pF @ 1MHz | 490pF @ 1MHz | 
| Operating Temperature | -65°C ~ 150°C (TJ) | -65°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | DO-214AC, SMA | DO-214AC, SMA | 
| Supplier Device Package | SMA | SMA |