Overview
The SZMMSZ4680T1G is a Zener diode from onsemi, part of the MMSZ4xxxT1G series. This device is packaged in a surface mount plastic SOD-123 case, making it suitable for high-density applications. It is designed for optimal automated board assembly and features a wide Zener reverse voltage range from 1.8 V to 43 V. The SZMMSZ4680T1G is AEC-Q101 qualified and PPAP capable, making it ideal for automotive and other applications requiring stringent quality standards.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Zener Voltage (VZ) | 2.09 - 2.31 | V |
| Reverse Current (IZT) | 50 | μA |
| Total Power Dissipation on FR-5 Board | 500 | mW |
| Thermal Resistance, Junction-to-Ambient (RJA) | 340 | °C/W |
| Thermal Resistance, Junction-to-Lead (RJL) | 150 | °C/W |
| Junction and Storage Temperature Range | -55 to +150 | °C |
| Maximum Case Temperature for Soldering | 260 | °C (for 10 seconds) |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | |
| Package Type | SOD-123 | |
| Polarity | Cathode indicated by polarity band | |
| 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
Applications
- Voltage regulation
- Waveform clipping
- MOSFET gate protection
- General usage in various end products
- Automotive and other applications requiring unique site and control change requirements
Q & A
- What is the Zener voltage range of the SZMMSZ4680T1G?
The Zener voltage range of the SZMMSZ4680T1G is 2.09 V to 2.31 V.
- What is the maximum power dissipation on an FR-5 board for this device?
The maximum power dissipation on an FR-5 board is 500 mW.
- What is the thermal resistance from junction to ambient for this device?
The thermal resistance from junction to ambient (RJA) is 340 °C/W.
- Is the SZMMSZ4680T1G Pb-free and RoHS compliant?
- What is the ESD rating of the SZMMSZ4680T1G?
The ESD rating is Class 3, exceeding 16 kV per the Human Body Model.
- What package type is used for the SZMMSZ4680T1G?
The package type is SOD-123.
- How is the polarity indicated on the SZMMSZ4680T1G?
The polarity is indicated by a polarity band on the cathode side.
- What are some common applications for the SZMMSZ4680T1G?
Common applications include voltage regulation, waveform clipping, MOSFET gate protection, and general usage in various end products.
- Is the SZMMSZ4680T1G suitable for automotive applications?
- What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds.
