Overview
The MMSZ4679T1G is a Zener voltage regulator diode produced by onsemi, designed for various voltage regulation and protection applications. It is part of the MMSZ4xxxT1G series, which offers a wide range of Zener reverse voltages in a convenient surface mount SOD-123 package. This device is suitable for waveform clipping, MOSFET gate protection, and general usage in many different end products.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Total Power Dissipation on FR-5 Board | 500 | mW |
| Thermal Resistance, Junction-to-Ambient | 340 | °C/W |
| Thermal Resistance, Junction-to-Lead | 150 | °C/W |
| Junction and Storage Temperature Range | -55 to +150 | °C |
| Reverse Zener Voltage @ IZT | 1.90 - 2.10 | V |
| Reverse Current (IZT) | 50 | μA |
| Reverse Leakage Current @ VR | 5 | μA |
| Forward Current @ VF | 10 | mA |
| Forward Voltage @ IF | 0.9 | V |
| Package Type | SOD-123 | |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | |
| Flammability Rating | UL 94 V-0 | |
| Maximum Case Temperature for Soldering | 260°C for 10 Seconds |
Key Features
- 500 mW rating on FR-4 or FR-5 board, suitable for high-density applications.
- Wide Zener reverse voltage range from 1.8 V to 43 V.
- Low reverse current (IZT) of 50 μA.
- Package designed for optimal automated board assembly.
- Small package size for high-density applications.
- ESD rating of Class 3 (exceeding 16 kV) per the Human Body Model.
- Pb-free and RoHS compliant.
- AEC-Q101 qualified and PPAP capable, with SZ prefix for automotive and other applications requiring unique site and control change requirements.
Applications
- Voltage regulation and stabilization.
- Waveform clipping and shaping.
- MOSFET gate protection.
- General usage in various electronic devices.
- Automotive and industrial applications requiring high reliability and specific control change requirements.
Q & A
- What is the maximum power dissipation of the MMSZ4679T1G on an FR-5 board? The maximum power dissipation is 500 mW.
- What is the thermal resistance of the MMSZ4679T1G from junction to ambient? The thermal resistance is 340 °C/W.
- What is the reverse Zener voltage range for the MMSZ4679T1G? The reverse Zener voltage range is 1.90 to 2.10 V.
- What is the reverse current (IZT) of the MMSZ4679T1G? The reverse current (IZT) is 50 μA.
- Is the MMSZ4679T1G Pb-free and RoHS compliant? Yes, it is Pb-free and RoHS compliant.
- What is the ESD rating of the MMSZ4679T1G? The ESD rating is Class 3, exceeding 16 kV per the Human Body Model.
- What package type is the MMSZ4679T1G available in? It is available in the SOD-123 surface mount package.
- What are some common applications of the MMSZ4679T1G? Common applications include voltage regulation, waveform clipping, MOSFET gate protection, and general usage in various electronic devices.
- Is the MMSZ4679T1G suitable for automotive applications? Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring high reliability.
- What is the maximum case temperature for soldering the MMSZ4679T1G? The maximum case temperature for soldering is 260°C for 10 seconds.
