| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1N5228BTR | FAIRCHILD SEMICONDUCTOR CORP | 3.9V | ±5% | 500mW | 23 Ohm | 10µA @ 1V | 1.2V @ 200mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial | |
| 1N4748ATR | FAIRCHILD SEMICONDUCTOR CORP | 22V | ±5% | 1W | 23 Ohm | 5µA @ 16.7V | - | -65°C ~ 200°C | Through Hole | DO-204AL, DO-41, Axial | |
| 1N5228B | FAIRCHILD SEMICONDUCTOR CORP | 3.9V | ±5% | 500mW | 23 Ohm | 10µA @ 1V | 1.2V @ 200mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial | |
| 1N4748A | FAIRCHILD SEMICONDUCTOR CORP | 22V | ±5% | 1W | 23 Ohm | 5µA @ 16.7V | - | -65°C ~ 200°C | Through Hole | DO-204AL, DO-41, Axial | |
| 1N5249BTR | FAIRCHILD SEMICONDUCTOR CORP | 19V | ±5% | 500mW | 23 Ohm | 100nA @ 14V | 1.2V @ 200mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial | |
| 1N4748A_T50A | FAIRCHILD SEMICONDUCTOR CORP | 22V | ±5% | 1W | 23 Ohm | 5µA @ 16.7V | - | -65°C ~ 200°C | Through Hole | DO-204AL, DO-41, Axial | |
| 1N4748A_T50R | FAIRCHILD SEMICONDUCTOR CORP | 22V | ±5% | 1W | 23 Ohm | 5µA @ 16.7V | - | -65°C ~ 200°C | Through Hole | DO-204AL, DO-41, Axial | |
| 1N5249B | FAIRCHILD SEMICONDUCTOR CORP | 19V | ±5% | 500mW | 23 Ohm | 100nA @ 14V | 1.2V @ 200mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial | |
| 1N748A | FAIRCHILD SEMICONDUCTOR CORP | 3.9V | ±5% | 500mW | 23 Ohm | 10µA @ 1V | 1.5V @ 200mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial | |
| 1N748ATR | FAIRCHILD SEMICONDUCTOR CORP | 3.9V | ±5% | 500mW | 23 Ohm | 10µA @ 1V | 1.5V @ 200mA | -65°C ~ 200°C | Through Hole | DO-204AH, DO-35, Axial |
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