| Part Number | JANS1N4962US/TR | JANS1N4972US.TR | 
|---|---|---|
| Manufacturer | Microchip Technology | Semtech Corporation | 
| Category | Diodes - Zener - Single | Diodes - Zener - Single | 
|   |   | |
| Product Status | Active | Discontinued at Digi-Key | 
| Voltage - Zener (Nom) (Vz) | 15 V | 39 V | 
| Tolerance | ±5% | ±4.87% | 
| Power - Max | 5 W | 5 W | 
| Impedance (Max) (Zzt) | 3.5 Ohms | 14 Ohms | 
| Current - Reverse Leakage @ Vr | 5 µA @ 11.4 V | 2 µA @ 29.7 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 | SQ-MELF, B | SQ-MELF | 
| Supplier Device Package | D-5B | - |