The 1N4742A is a 1 watt zener diode in a DO-41 package.
| Specifications: | |
| Package / Case | DO-41 |
| Transistor Polarity | Black Color Band Denotes CATHODE |
| Nominal Zener Voltage Vz | 12V |
| Tested Current Izt | 21mA |
| Maximum Zener Impedance Zzt | 9Ω |
| Power Dissipation Pd | 1W |
| Maximum Reverse Leakage Current Ir | 5µA |
Note: All Specification will vary on manufacture products.
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