| Part Number | BZX79-C39,133 | BZX79-C3V9,133 | 
|---|---|---|
| Manufacturer | NXP USA Inc. | Nexperia USA Inc. | 
| Category | Diodes - Zener - Single | Diodes - Zener - Single | 
|   |   | |
| Product Status | Active | Active | 
| Voltage - Zener (Nom) (Vz) | 39 V | 3.9 V | 
| Tolerance | ±5% | ±5% | 
| Power - Max | 400 mW | 400 mW | 
| Impedance (Max) (Zzt) | 130 Ohms | 90 Ohms | 
| Current - Reverse Leakage @ Vr | 50 nA @ 27.3 V | 3 µA @ 1 V | 
| Voltage - Forward (Vf) (Max) @ If | 900 mV @ 10 mA | 900 mV @ 10 mA | 
| Operating Temperature | -65°C ~ 200°C | -65°C ~ 200°C | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | DO-204AH, DO-35, Axial | DO-204AH, DO-35, Axial | 
| Supplier Device Package | ALF2 | ALF2 |