| Part Number | MMSZ5259B | MMSZ5257B |
|---|---|---|
| Manufacturer | Diotec Semiconductor | Fairchild Semiconductor |
| Category | Diodes - Zener - Single | Diodes - Zener - Single |
|
|
|
| Product Status | Active | Active |
| Voltage - Zener (Nom) (Vz) | 39 V | 5.1 V |
| Tolerance | ±5% | ±5% |
| Power - Max | 500 mW | 500 mW |
| Impedance (Max) (Zzt) | 80 Ohms | 41 Ohms |
| Current - Reverse Leakage @ Vr | 100 nA @ 30 V | 100 nA @ 25 V |
| Voltage - Forward (Vf) (Max) @ If | 900 mV @ 10 mA | 900 mV @ 10 mA |
| Operating Temperature | -50°C ~ 150°C (TJ) | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | SOD-123F | SOD-123F |
| Supplier Device Package | SOD-123F | SOD-123F |