| Part Number | 1N3318RB | 1N3308RB | 
|---|---|---|
| Manufacturer | Solid State Inc. | Microchip Technology | 
| Category | Diodes - Zener - Single | Diodes - Zener - Single | 
|   |   | |
| Product Status | Active | Active | 
| Voltage - Zener (Nom) (Vz) | 19 V | 9.1 V | 
| Tolerance | ±5% | ±5% | 
| Power - Max | 50 W | 50 W | 
| Impedance (Max) (Zzt) | 2.2 Ohms | 0.5 Ohms | 
| Current - Reverse Leakage @ Vr | 5 µA @ 14.4 V | 25 µA @ 6.1 V | 
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 10 A | 1.5 V @ 10 A | 
| Operating Temperature | -65°C ~ 175°C (TJ) | -65°C ~ 175°C | 
| Mounting Type | Stud Mount | Chassis, Stud Mount | 
| Package / Case | DO-203AB, DO-5, Stud | DO-203AB, DO-5, Stud | 
| Supplier Device Package | DO-5 | DO-5 |