| Part Number | SMCG18A-HRA | SMCG15A-HRA | 
|---|---|---|
| Manufacturer | Littelfuse Inc. | Littelfuse Inc. | 
| Category | TVS - Diodes | TVS - Diodes | 
|   |   | |
| Product Status | Active | Active | 
| Type | Zener | Zener | 
| Unidirectional Channels | 1 | 1 | 
| Bidirectional Channels | - | - | 
| Voltage - Reverse Standoff (Typ) | 18V | 15V | 
| Voltage - Breakdown (Min) | 20V | 16.7V | 
| Voltage - Clamping (Max) @ Ipp | 29.2V | 24.4V | 
| Current - Peak Pulse (10/1000µs) | 51.4A | 61.5A | 
| Power - Peak Pulse | 1500W (1.5kW) | 1500W (1.5kW) | 
| Power Line Protection | No | No | 
| Applications | General Purpose | General Purpose | 
| Capacitance @ Frequency | - | - | 
| Operating Temperature | -65°C ~ 150°C (TA) | -65°C ~ 150°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | DO-215AB, SMC Gull Wing | DO-215AB, SMC Gull Wing | 
| Supplier Device Package | DO-215AB (SMCG) | DO-215AB (SMCG) |