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| PartNumber | MMSZ4678T1 | MMSZ4678 | MMSZ4678-TP |
| Description | Zener Diodes 1.8V 500mW | Zener Diodes 500mW ZENER | |
| Manufacturer | ON Semiconductor | ON Semiconductor | Micro Commercial Co |
| Product Category | Zener Diodes | Diodes - Zener - Single | Diodes - Zener - Single |
| RoHS | N | - | - |
| Vz Zener Voltage | 1.8 V | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | SOD-123 | - | - |
| Pd Power Dissipation | 500 mW | - | - |
| Voltage Tolerance | 3 % | - | - |
| Zener Current | 50 uA | - | - |
| Minimum Operating Temperature | - 55 C | - | - |
| Maximum Operating Temperature | + 150 C | - | - |
| Configuration | Single | - | - |
| Test Current | 0.05 mA | - | - |
| Packaging | Reel | Cut Tape (CT) | Digi-ReelR Alternate Packaging |
| Height | 1.12 mm | - | - |
| Length | 2.69 mm | - | - |
| Termination Style | SMD/SMT | - | - |
| Width | 1.6 mm | - | - |
| Brand | ON Semiconductor | - | - |
| Ir Reverse Current | 7.5 uA | - | - |
| Product Type | Zener Diodes | - | - |
| Factory Pack Quantity | 3000 | - | - |
| Subcategory | Diodes & Rectifiers | - | - |
| Unit Weight | 0.001058 oz | - | - |
| Series | - | - | - |
| Package Case | - | SOD-123 | SOD-123 |
| Operating Temperature | - | -55°C ~ 150°C | -55°C ~ 150°C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Supplier Device Package | - | SOD-123 | SOD-123 |
| Tolerance | - | ±5% | ±5% |
| Power Max | - | 500mW | 500mW |
| Voltage Zener Nom Vz | - | 1.8V | 1.8V |
| Impedance Max Zzt | - | - | - |
| Current Reverse Leakage Vr | - | 7.5μA @ 1V | 7.5μA @ 1V |
| Voltage Forward Vf Max If | - | 900mV @ 10mA | 950mV @ 10mA |