| Part Number | FLZ13VB | FLZ18VB | 
|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | 
| Category | Diodes - Zener - Single | Diodes - Zener - Single | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Voltage - Zener (Nom) (Vz) | 12.9 V | 17.3 V | 
| Tolerance | ±3% | ±3% | 
| Power - Max | 500 mW | 500 mW | 
| Impedance (Max) (Zzt) | 11.4 Ohms | 19.4 Ohms | 
| Current - Reverse Leakage @ Vr | 133 nA @ 10 V | 133 nA @ 13 V | 
| Voltage - Forward (Vf) (Max) @ If | 1.2 V @ 200 mA | 1.2 V @ 200 mA | 
| Operating Temperature | -65°C ~ 175°C | -65°C ~ 175°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | DO-213AC, MINI-MELF, SOD-80 | DO-213AC, MINI-MELF, SOD-80 | 
| Supplier Device Package | SOD-80 | SOD-80 |