| Part Numbers | Manufacturer Name | Datasheet | Voltage - Zener (Vz) | Tolerance | Power - Max | Impedance (Max) (Zzt) | Reverse Leakage Current@ Vr | Forward Voltage (Vf) (Max) @ If | Operating Temperature | Mounting Type | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1N4989 | MICROSEMI COMMERCIAL BUSINESS UNIT | 200V | ±5% | 5W | 500 Ohm | 2µA @ 152V | 1.5V @ 1A | -65°C ~ 175°C | Through Hole | E, Axial | |
| 1N4989US | MICROSEMI COMMERCIAL BUSINESS UNIT | 200V | ±5% | 5W | 500 Ohm | 2µA @ 152V | 1.5V @ 1A | -65°C ~ 175°C | Surface Mount | E-MELF | |
| 1N6632 | MICROSEMI COMMERCIAL BUSINESS UNIT | 3.3V | ±5% | 5W | 500 Ohm | 300µA @ 1V | 1.5V @ 1A | -65°C ~ 175°C | - | - | |
| 1N6632US | MICROSEMI COMMERCIAL BUSINESS UNIT | 3.3V | ±5% | 5W | 500 Ohm | 300µA @ 1V | 1.5V @ 1A | -65°C ~ 175°C | - | - | |
| 1N6633US | MICROSEMI COMMERCIAL BUSINESS UNIT | 3.6V | ±5% | 5W | 500 Ohm | 250µA @ 1V | 1.5V @ 1A | -65°C ~ 175°C | - | - | |
| 1N6634US | MICROSEMI COMMERCIAL BUSINESS UNIT | 3.9V | ±5% | 5W | 500 Ohm | 175µA @ 1V | 1.5V @ 1A | -65°C ~ 175°C | - | - | |
| 1N6635US | MICROSEMI COMMERCIAL BUSINESS UNIT | 4.3V | ±5% | 5W | 500 Ohm | 25µA @ 1V | 1.5V @ 1A | -65°C ~ 175°C | - | - | |
| 1N6634 | MICROSEMI COMMERCIAL BUSINESS UNIT | 3.9V | ±5% | 5W | 500 Ohm | 175µA @ 1V | 1.5V @ 1A | -65°C ~ 175°C | - | - | |
| 1N6635 | MICROSEMI COMMERCIAL BUSINESS UNIT | 4.3V | ±5% | 5W | 500 Ohm | 25µA @ 1V | 1.5V @ 1A | -65°C ~ 175°C | - | - | |
| JAN1N4989 | MICROSEMI CORP | 200V | ±5% | 5W | 500 Ohm | 2µA @ 152V | 1.5V @ 1A | -65°C ~ 175°C | Through Hole | E, Axial |
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