This device is an axial lead zener diode in Weitron's 1N4728A through 1N4762A 1.0 W series. It is housed in a DO-41 package and is intended for voltage stabilization. The datasheet describes it as a small-signal zener diode with high reliability, a sharp reverse characteristic, and low reverse current. The series is identified as Pb-free.
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| Diode Type | ZENER DIODE |
| Eccn Code | EAR99 |
| HTS Code | 8541.10.00.50 |
| REACH | unknown |
| Military Spec | False |