| Base Product Number | MMSZ46 |
| Category | Discrete Semiconductor Products |
| Configuration | Single |
| Current - Reverse Leakage @ Vr | 2 ?A @ 3 V |
| Factory Pack Quantity | 3000 |
| In-stock | 31860 |
| Life Cycle | Obsoleted |
| Marking Code | BX |
| Mfr | Fairchild Semiconductor |
| Minimum Operating Temperature | - 55 C |
| Mounting Style | SMD/SMT |
| Mounting Type | Surface Mount |
| Operating Temperature, Series | - |
| Package | Bulk |
| Package / Case, Package/Case, Supplier Device Package | SOD-123 |
| Packaging | Reel |
| Part # Aliases | MMSZ4689_NL |
| Part Status | Active |
| Power - Max | 500 mW |
| Product Categories | Zener Diodes |
| RoHs Status | Lead free/RoHS Compliant |
| Tolerance | ?5% |
| Voltage - Forward (Vf) (Max) @ If | 900 mV @ 10 mA |
| Voltage - Zener (Nom) (Vz) | 5.1 V |
| Voltage Regulation Accuracy | 970 mV |