Overview
The MMSZ4689T1G is a Zener diode from onsemi, part of the MMSZ4xxxT1G series. This device is packaged in a surface mount SOD-123 format, making it suitable for high-density applications. It offers a wide range of Zener reverse voltage from 1.8 V to 43 V, with a specific nominal Zener voltage for the MMSZ4689T1G model ranging from 4.85 V to 5.36 V. The device is designed for optimal automated board assembly and features a small package size, which is beneficial for compact electronic designs.
The MMSZ4689T1G is Pb-free and RoHS compliant, ensuring environmental sustainability. It also has an ESD rating of Class 3, exceeding 16 kV per the Human Body Model, and is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Nominal Zener Voltage (VZ) | 4.85 - 5.36 | 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) |
| Package Type | SOD-123 | |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | |
| Flammability Rating | UL 94 V-0 |
Key Features
- Wide Zener reverse voltage range: 1.8 V to 43 V
- Low reverse current (IZT): 50 μA
- 500 mW power rating on FR-4 or FR-5 board
- 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 for automotive and other demanding applications
- Corrosion-resistant finish, easily solderable
- UL 94 V-0 flammability rating
Applications
- Voltage regulation
- Waveform clipping
- MOSFET gate protection
- General usage in various electronic devices
- Automotive and industrial applications requiring high reliability and durability
Q & A
- What is the nominal Zener voltage range of the MMSZ4689T1G?
The nominal Zener voltage range of the MMSZ4689T1G is 4.85 V to 5.36 V.
- What is the maximum power dissipation of the MMSZ4689T1G on an FR-5 board?
The maximum power dissipation is 500 mW.
- What is the thermal resistance, junction-to-ambient (RJA), of the MMSZ4689T1G?
The thermal resistance, junction-to-ambient (RJA), is 340 °C/W.
- Is the MMSZ4689T1G Pb-free and RoHS compliant?
Yes, the MMSZ4689T1G is Pb-free and RoHS compliant.
- What is the ESD rating of the MMSZ4689T1G?
The ESD rating is Class 3, exceeding 16 kV per the Human Body Model.
- What are the typical applications of the MMSZ4689T1G?
Typical applications include voltage regulation, waveform clipping, MOSFET gate protection, and general usage in various electronic devices.
- Is the MMSZ4689T1G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
- What is the package type of the MMSZ4689T1G?
The package type is SOD-123.
- What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds.
- What is the flammability rating of the MMSZ4689T1G?
The flammability rating is UL 94 V-0.
