| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MM5Z12V | FAIRCHILD SEMICONDUCTOR CORP | 12V | ±5% | 200mW | 25 Ohm | 100nA @ 8V | - | -55°C ~ 150°C | Surface Mount | SC-79, SOD-523F | |
| MM3Z12VC | FAIRCHILD SEMICONDUCTOR CORP | 12V | ±5% | 200mW | 23 Ohm | 900nA @ 8V | 1V @ 10mA | -65°C ~ 150°C | Surface Mount | SC-90, SOD-323F | |
| MMBZ5242B | FAIRCHILD SEMICONDUCTOR CORP | 12V | ±5% | 350mW | 30 Ohm | 1µA @ 8.1V | 900mV @ 10mA | -55°C ~ 150°C | Surface Mount | TO-236-3, SC-59, SOT-23-3 | |
| BZX84C12 | FAIRCHILD SEMICONDUCTOR CORP | 12V | ±5% | 350mW | 25 Ohm | 100nA @ 8V | 900mV @ 10mA | -55°C ~ 150°C | Surface Mount | TO-236-3, SC-59, SOT-23-3 | |
| 1N4742ATR | FAIRCHILD SEMICONDUCTOR CORP | 12V | ±5% | 1W | 9 Ohm | 5µA @ 9.1V | - | -65°C ~ 200°C | Through Hole | DO-204AL, DO-41, Axial | |
| MMSZ5242B | FAIRCHILD SEMICONDUCTOR CORP | 12V | ±5% | 500mW | 30 Ohm | 1µA @ 9.1V | 900mV @ 10mA | -55°C ~ 150°C | Surface Mount | SOD-123 | |
| 1N4742A_T50A | FAIRCHILD SEMICONDUCTOR CORP | 12V | ±5% | 1W | 9 Ohm | 5µA @ 9.1V | - | -65°C ~ 200°C | Through Hole | DO-204AL, DO-41, Axial | |
| BZX79C12_T50A | FAIRCHILD SEMICONDUCTOR CORP | 12V | ±5% | 500mW | 25 Ohm | 100nA @ 8V | 1.5V @ 100mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial | |
| BZX79C12 | FAIRCHILD SEMICONDUCTOR CORP | 12V | ±5% | 500mW | 25 Ohm | 100nA @ 8V | 1.5V @ 100mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial | |
| 1N5242BTR | FAIRCHILD SEMICONDUCTOR CORP | 12V | ±5% | 500mW | 30 Ohm | 1µA @ 9.1V | 1.2V @ 200mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial |
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