The 1N5257B is a 0.5 watt zener diode in a DO-35 package.
| Specifications: | |
| Package / Case | DO-35 |
| Transistor Polarity | Black Color Band Denotes CATHODE |
| Nominal Zener Voltage Vz | 33V |
| Tested Current Izt | 3.8mA |
| Maximum Zener Impedance Zzt | 58Ω |
| Power Dissipation Pd | 0.5W |
| Maximum Reverse Leakage Current Ir | 0.1µA |
Note: All Specification will vary on manufacture products.