This device is a 1.0 W Zener diode with a nominal Zener voltage of 3.3 V measured at 76 mA. It is supplied in a DO-41 glass through-hole package with a cathode band and a lead-free finish. The diode provides a standard 5% Zener voltage tolerance, 10 Ω maximum Zener impedance at the test current, and 100 µA maximum reverse leakage current at 1.0 V. Maximum forward voltage is 1.2 V at 200 mA, and the operating and storage temperature range is -65°C to +175°C.
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Diodes 1N4728A technical specifications.
| Element Configuration | Single |
| Impedance | 10R |
| Max Operating Temperature | 175°C |
| Min Operating Temperature | -65°C |
| Max Reverse Leakage Current | 100uA |
| Mount | Through Hole |
| RoHS Compliant | Yes |
| Zener Voltage | 3.3V |
| RoHS | Compliant |
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