| Part Number | JANTX1N4982US | JANTX1N4992US | 
|---|---|---|
| Manufacturer | Microchip Technology | Semtech Corporation | 
| Category | Diodes - Zener - Single | Diodes - Zener - Single | 
|   |   | |
| Product Status | Active | Discontinued at Digi-Key | 
| Voltage - Zener (Nom) (Vz) | 100 V | 270 V | 
| Tolerance | ±5% | ±4.81% | 
| Power - Max | 5 W | 5 W | 
| Impedance (Max) (Zzt) | 110 Ohms | 800 Ohms | 
| Current - Reverse Leakage @ Vr | 2 µA @ 76 V | 2 µA @ 206 V | 
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 1 A | - | 
| Operating Temperature | -65°C ~ 175°C | -55°C ~ 175°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | E-MELF | SQ-MELF | 
| Supplier Device Package | D-5B | - |