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| Part Number | 1N5251BUR-1/TR | 1N5252BUR-1/TR | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Product Status | Active | Active | 
| Voltage - Zener (Nom) (Vz) | 22 V | 24 V | 
| Tolerance | ±5% | ±5% | 
| Power - Max | 500 mW | 500 mW | 
| Impedance (Max) (Zzt) | 29 Ohms | 33 Ohms | 
| Current - Reverse Leakage @ Vr | 100 nA @ 17 V | 100 nA @ 18 V | 
| Voltage - Forward (Vf) (Max) @ If | 1.1 V @ 200 mA | 1.5 V @ 200 mA | 
| Operating Temperature | -65°C ~ 175°C (TJ) | -65°C ~ 175°C (TJ) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | DO-213AA | DO-213AA (Glass) | 
| Supplier Device Package | DO-213AA | DO-213AA |