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| Part Number | SZL1.9A | SZL1.8A | 
|---|---|---|
| Manufacturer | Microsemi Corporation | Microsemi Corporation | 
| Product Status | Obsolete | Obsolete | 
| Voltage - Zener (Nom) (Vz) | 1.9 V | 1.8 V | 
| Tolerance | ±10% | ±10% | 
| Power - Max | 500 mW | 500 mW | 
| Impedance (Max) (Zzt) | 325 Ohms | 325 Ohms | 
| Current - Reverse Leakage @ Vr | 50 nA @ 900 mV | 50 nA @ 800 mV | 
| Voltage - Forward (Vf) (Max) @ If | 1 V @ 100 mA | 1 V @ 100 mA | 
| Operating Temperature | -55°C ~ 150°C | -55°C ~ 150°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 3-SMD, No Lead | 3-SMD, No Lead | 
| Supplier Device Package | UB | UB |