Overview
The MMSZ4685T1G is a Zener diode from onsemi, part of the MMSZ4xxxT1G series. It is designed in the SOD-123 surface mount package, offering a convenient and compact solution for various electronic applications. This device is suitable for voltage regulation, waveform clipping, MOSFET gate protection, and general usage in a wide range of end products. The MMSZ4685T1G features a 500 mW power rating on FR-4 or FR-5 boards and a wide Zener reverse voltage range from 1.8 V to 43 V.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Reverse Zener Voltage (VZ) | 3.42 - 3.78 | V |
| Total Power Dissipation on FR-5 Board | 500 | mW |
| Reverse Current (IZT) | 50 | μA |
| 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 | |
| Flammability Rating | UL 94 V-0 | |
| Pb-Free and RoHS Compliant | Yes |
Key Features
- 500 mW power rating on FR-4 or FR-5 boards
- 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 (> 16 kV) per Human Body Model
- AEC-Q101 qualified and PPAP capable for automotive and other critical applications
- Pb-Free and RoHS compliant
Applications
- Voltage regulation
- Waveform clipping
- MOSFET gate protection
- General usage in various electronic devices
- Automotive and other applications requiring unique site and control change requirements
Q & A
- What is the power rating of the MMSZ4685T1G Zener diode?
The MMSZ4685T1G has a power rating of 500 mW on FR-4 or FR-5 boards.
- What is the Zener reverse voltage range of the MMSZ4685T1G?
The Zener reverse voltage range is from 3.42 V to 3.78 V.
- What is the reverse current (IZT) of the MMSZ4685T1G?
The reverse current (IZT) is 50 μA.
- What is the thermal resistance, junction-to-ambient (RJA), of the MMSZ4685T1G?
The thermal resistance, junction-to-ambient (RJA), is 340 °C/W.
- Is the MMSZ4685T1G Pb-Free and RoHS compliant?
Yes, the MMSZ4685T1G is Pb-Free and RoHS compliant.
- What is the ESD rating of the MMSZ4685T1G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- What package type is the MMSZ4685T1G available in?
The MMSZ4685T1G is available in the SOD-123 surface mount package.
- What are the typical applications of the MMSZ4685T1G?
Typical applications include voltage regulation, waveform clipping, MOSFET gate protection, and general usage in various electronic devices.
- Is the MMSZ4685T1G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other critical applications.
- What is the maximum case temperature for soldering the MMSZ4685T1G?
The maximum case temperature for soldering is 260°C for 10 seconds.
