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| Part Number | JANTX1N4973US/TR | JANTX1N4979US/TR | JANTX1N4975US/TR | JANTX1N4993US/TR | JANTX1N4963US/TR | JANTX1N4971US/TR | JANTX1N4972US/TR | 
|---|---|---|---|---|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | 
| Product Status | Active | Active | Active | Active | Active | Active | Active | 
| Voltage - Zener (Nom) (Vz) | 43 V | 75 V | 51 V | 300 V | 16 V | 36 V | 39 V | 
| Tolerance | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | 
| Power - Max | 5 W | 5 W | 5 W | 5 W | 5 W | 5 W | 5 W | 
| Impedance (Max) (Zzt) | 20 Ohms | 55 Ohms | 27 Ohms | 950 Ohms | 3.5 Ohms | 11 Ohms | 14 Ohms | 
| Current - Reverse Leakage @ Vr | 2 µA @ 32.7 V | 2 µA @ 56 V | 2 µA @ 38.8 V | 2 µA @ 228 V | 5 µA @ 12.2 V | 2 µA @ 27.4 V | 2 µA @ 29.7 V | 
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 1 A | 1.5 V @ 1 A | 1.5 V @ 1 A | 1.5 V @ 1 A | 1.5 V @ 1 A | 1.5 V @ 1 A | 1.5 V @ 1 A | 
| Operating Temperature | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Through Hole | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | E-MELF | E-MELF | E-MELF | E, Axial | E-MELF | E-MELF | E-MELF | 
| Supplier Device Package | D-5B | D-5B | D-5B | E, Axial | D-5B | D-5B | D-5B |