| Part Number | JAN1N978BUR-1/TR | JAN1N975BUR-1/TR | 
|---|---|---|
| Manufacturer | Microchip Technology | Microchip Technology | 
| Category | Diodes - Zener - Single | Diodes - Zener - Single | 
|   |   | |
| Product Status | Active | Active | 
| Voltage - Zener (Nom) (Vz) | 51 V | 39 V | 
| Tolerance | ±5% | ±5% | 
| Power - Max | 500 mW | 500 mW | 
| Impedance (Max) (Zzt) | 125 Ohms | 80 Ohms | 
| Current - Reverse Leakage @ Vr | 500 nA @ 39 V | 500 nA @ 30 V | 
| Voltage - Forward (Vf) (Max) @ If | 1.1 V @ 200 mA | 1.1 V @ 200 mA | 
| Operating Temperature | -65°C ~ 175°C | -65°C ~ 175°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | DO-213AA (Glass) | DO-213AA (Glass) | 
| Supplier Device Package | DO-213AA | DO-213AA |