| Part Number | SMAJ4470CE3/TR13 | SMAJ4478CE3/TR13 | 
|---|---|---|
| Manufacturer | Microsemi Corporation | Microsemi Corporation | 
| Category | Diodes - Zener - Single | Diodes - Zener - Single | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Voltage - Zener (Nom) (Vz) | 16 V | 36 V | 
| Tolerance | ±2% | ±2% | 
| Power - Max | 1.5 W | 1.5 W | 
| Impedance (Max) (Zzt) | 10 Ohms | 27 Ohms | 
| Current - Reverse Leakage @ Vr | 50 nA @ 12.8 V | 50 nA @ 28.8 V | 
| Voltage - Forward (Vf) (Max) @ If | 1.2 V @ 200 mA | 1.2 V @ 200 mA | 
| Operating Temperature | -55°C ~ 150°C | -55°C ~ 150°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | DO-214AC, SMA | DO-214AC, SMA | 
| Supplier Device Package | DO-214AC (SMAJ) | DO-214AC (SMAJ) |