| Part Numbers | Manufacturer Name | Datasheet | Voltage - Zener (Vz) | Tolerance | Power - Max | Impedance (Max) (Zzt) | Reverse Leakage Current@ Vr | Forward Voltage (Vf) (Max) @ If | Operating Temperature | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MMBZ5251B | FAIRCHILD SEMICONDUCTOR CORP | 22V | ±5% | 350mW | 29 Ohm | 100nA @ 17V | 900mV @ 10mA | -55°C ~ 150°C | Surface Mount | TO-236-3, SC-59, SOT-23-3 | |
| MMSZ5251B | FAIRCHILD SEMICONDUCTOR CORP | 22V | ±5% | 500mW | 29 Ohm | 100nA @ 17V | 900mV @ 10mA | -55°C ~ 150°C | Surface Mount | SOD-123 | |
| MMSZ5251B-TP | MICRO COMMERCIAL COMPONENTS | 22V | ±5% | 500mW | 29 Ohm | 100nA @ 17V | 900mV @ 10mA | -55°C ~ 150°C | Surface Mount | SOD-123 | |
| SZMMSZ5251BT1G | ON SEMICONDUCTOR | 22V | ±5% | 500mW | 29 Ohm | 100nA @ 17V | 900mV @ 10mA | -55°C ~ 150°C | Surface Mount | SOD-123 | |
| CZRER52C22-HF | COMCHIP TECHNOLOGY CORP | 22V | ±5% | 150mW | 55 Ohm | 100nA @ 17V | 900mV @ 10mA | -55°C ~ 150°C | Surface Mount | 0503 (1308 Metric) | |
| MMBZ5251B_D87Z | FAIRCHILD SEMICONDUCTOR CORP | 22V | ±5% | 350mW | 29 Ohm | 100nA @ 17V | 900mV @ 10mA | -55°C ~ 150°C | Surface Mount | TO-236-3, SC-59, SOT-23-3 | |
| 1N5251B-TP | MICRO COMMERCIAL COMPONENTS | 22V | ±5% | 500mW | 29 Ohm | 100nA @ 17V | 1.1V @ 200mA | -55°C ~ 150°C | Through Hole | DO-204AH, DO-35, Axial | |
| MMXZ5251B-TP | MICRO COMMERCIAL COMPONENTS | 22V | ±5% | 200mW | 29 Ohm | 100nA @ 17V | 1.2V @ 100mA | -55°C ~ 150°C | Surface Mount | SC-76, SOD-323 | |
| SZMMSZ5251ET1G | ON SEMICONDUCTOR | 22V | ±5% | 500mW | 29 Ohm | 100nA @ 17V | 900mV @ 10mA | -55°C ~ 150°C | Surface Mount | SOD-123 | |
| MMSZ5251BT1 | ON SEMICONDUCTOR | 22V | ±5% | 500mW | 29 Ohm | 100nA @ 17V | 900mV @ 10mA | -55°C ~ 150°C | Surface Mount | SOD-123 |
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