| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| PTZTE257.5B | ROHM CO LTD | 7.9V | ±6% | 1W | 4 Ohm | 20µA @ 4V | - | - | Surface Mount | DO-214AC, SMA | |
| PTZTE258.2B | ROHM CO LTD | 8.7V | ±6% | 1W | 4 Ohm | 20µA @ 5V | - | - | Surface Mount | DO-214AC, SMA | |
| PTZTE257.5A | ROHM CO LTD | 7.5V | ±6% | 1W | 4 Ohm | 20µA @ 4V | - | - | Surface Mount | DO-214AC, SMA | |
| PTZTE258.2A | ROHM CO LTD | 8.2V | ±6% | 1W | 4 Ohm | 20µA @ 5V | - | - | Surface Mount | DO-214AC, SMA |
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