Overview
The MMSZ4688T1G 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 high-density applications due to its small package size and is optimized for automated board assembly. The MMSZ4688T1G is also Pb-free and RoHS compliant, making it environmentally friendly. Additionally, it is AEC-Q101 qualified and PPAP capable, which is particularly beneficial for automotive and other applications requiring stringent quality standards.
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 |
| Zener Reverse Voltage (VZ) at IZT | 4.47 to 4.94 | V |
| Reverse Current (IZT) | 50 | μA |
| Forward Current (IF) | 10 mA (Max VF = 0.9 V) | mA |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | |
| Package Type | SOD-123 | |
| Flammability Rating | UL 94 V-0 |
Key Features
- 500 mW rating on FR-4 or FR-5 board
- Wide Zener reverse voltage range - 1.8 V to 43 V
- Low reverse current (IZT) - 50 μA
- Package designed for optimal automated board assembly
- Small package size for high-density applications
- ESD rating of Class 3 (> 16 kV) per Human Body Model
- Pb-free and RoHS compliant
- AEC-Q101 qualified and PPAP capable
- SZ prefix for automotive and other applications requiring unique site and control change requirements
Applications
- Voltage regulation
- Waveform clipping
- MOSFET gate protection
- General usage in various electronic devices
- Automotive applications due to AEC-Q101 qualification
- High-density applications requiring small package sizes
Q & A
- What is the maximum power dissipation of the MMSZ4688T1G on an FR-5 board?
The maximum power dissipation is 500 mW.
- What is the Zener reverse voltage range of the MMSZ4688T1G?
The Zener reverse voltage range is from 4.47 V to 4.94 V.
- What is the thermal resistance of the MMSZ4688T1G from junction to ambient?
The thermal resistance from junction to ambient is 340 °C/W.
- Is the MMSZ4688T1G Pb-free and RoHS compliant?
- What is the ESD rating of the MMSZ4688T1G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- What package type does the MMSZ4688T1G use?
The package type is SOD-123.
- Is the MMSZ4688T1G suitable for automotive applications?
- What is the flammability rating of the MMSZ4688T1G?
The flammability rating is UL 94 V-0.
- What are some common applications of the MMSZ4688T1G?
Common applications include voltage regulation, waveform clipping, MOSFET gate protection, and general usage in various electronic devices.
- How is the polarity of the MMSZ4688T1G indicated?
The polarity is indicated by a polarity band on the cathode side.
