The MMSZ4688 is a 5% tolerance voltage stabilizer with a rated power of 500 milliwatts and a working temperature of -55 to 150 degrees Celsius.
The document describes the Fairchild MMSZ4688, a half-watt, general-purpose medium current surface-mount Zener diode available in the SOD-123 package. It features a compact footprint compatible with mini-melf (LL-34) packages and offers a Class 3 ESD rating greater than 16 kV per the Human Body Model.
Key electrical characteristics include a nominal Zener voltage of 4.7 V at 50 µA, with a maximum reverse leakage current of 10 µA at 3.0 V. The device is rated for a total power dissipation of 500 mW on FR-4 or FR-5 boards and operates within a storage temperature range of -55°C to +150°C.
| Package Type | SOD-123 |
|---|---|
| Power Rating | 500 mW |
| ESD Rating | > 16 kV |
| Nominal Zener Voltage | 4.7 V |
| Storage Temperature Range | -55 to +150 °C |
The device has a 500 mW rating on FR-4 or FR-5 boards.
The nominal Zener voltage is 4.7 V at 50 uA.
The maximum voltage change is 990 mV.