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| Part Number | JANTX1N4978DUS | JANTX1N4978US | JANTX1N4979DUS | JANTX1N4988DUS | JANTX1N4968DUS | JANTX1N4970DUS | JANTX1N4971DUS | JANTX1N4972DUS | JANTX1N4973DUS | JANTX1N4974DUS | JANTX1N4975DUS | JANTX1N4976DUS | JANTX1N4977DUS | JANTX1N4978CUS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Microsemi Corporation | Microchip Technology | Microsemi Corporation | Microsemi Corporation | Microchip Technology | Microsemi Corporation | Microsemi Corporation | Microsemi Corporation | Microsemi Corporation | Microsemi Corporation | Microsemi Corporation | Microsemi Corporation | Microsemi Corporation | Microsemi Corporation |
| Product Status | Active | Active | Active | Active | Discontinued at Digi-Key | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Voltage - Zener (Nom) (Vz) | 68 V | 68 V | 75 V | 180 V | 27 V | 33 V | 36 V | 39 V | 43 V | 47 V | 51 V | 56 V | 62 V | 68 V |
| Tolerance | ±1% | ±5% | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% | ±1% | ±2% |
| Power - Max | 5 W | 5 W | 5 W | 5 W | 5 W | 5 W | 5 W | 5 W | 5 W | 5 W | 5 W | 5 W | 5 W | 5 W |
| Impedance (Max) (Zzt) | 50 Ohms | 50 Ohms | 55 Ohms | 450 Ohms | 6 Ohms | 10 Ohms | 11 Ohms | 14 Ohms | 20 Ohms | 25 Ohms | 27 Ohms | 35 Ohms | 42 Ohms | 50 Ohms |
| Current - Reverse Leakage @ Vr | 2 µA @ 51.7 V | 2 µA @ 51.7 V | 2 µA @ 56 V | 2 µA @ 136.8 V | 2 µA @ 20.6 V | 2 µA @ 25.1 V | 2 µA @ 27.4 V | 2 µA @ 29.7 V | 2 µA @ 32.7 V | 2 µA @ 35.8 V | 2 µA @ 38.8 V | 2 µA @ 42.6 V | 2 µA @ 47.1 V | 2 µA @ 51.7 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 | 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 | -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 | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | E-MELF | E-MELF | E-MELF | E-MELF | E-MELF | E-MELF | E-MELF | E-MELF | E-MELF | E-MELF | E-MELF | E-MELF | E-MELF | E-MELF |
| Supplier Device Package | D-5B | D-5B | D-5B | D-5B | D-5B | D-5B | D-5B | D-5B | D-5B | D-5B | D-5B | D-5B | D-5B | D-5B |
