Overview
The SZMMSZ4688T1G is a Zener voltage regulator diode from 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 compact SOD-123 surface mount package. This device is suitable for high-density applications and is AEC-Q101 qualified, making it reliable for automotive and other demanding environments.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Reverse Zener Voltage (VZ) | 4.47 - 4.94 | 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
- 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 (exceeding 16 kV) per the 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 and industrial applications requiring high reliability and durability
Q & A
- What is the reverse Zener voltage range of the SZMMSZ4688T1G? The reverse Zener voltage range is 4.47 V to 4.94 V.
- What is the maximum power dissipation of the SZMMSZ4688T1G on an FR-5 board? The maximum power dissipation is 500 mW.
- What is the thermal resistance of the SZMMSZ4688T1G from junction to ambient? The thermal resistance from junction to ambient (RJA) is 340 °C/W.
- Is the SZMMSZ4688T1G ESD protected? Yes, it has an ESD rating of Class 3 (exceeding 16 kV) per the Human Body Model.
- What is the package type of the SZMMSZ4688T1G? The package type is SOD-123.
- Is the SZMMSZ4688T1G Pb-free and RoHS compliant? Yes, it is Pb-free and RoHS compliant.
- What are the typical applications of the SZMMSZ4688T1G? Typical applications include voltage regulation, waveform clipping, MOSFET gate protection, and general usage in various electronic devices.
- Is the SZMMSZ4688T1G suitable for automotive applications? Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other demanding environments.
- What is the maximum case temperature for soldering the SZMMSZ4688T1G? The maximum case temperature for soldering is 260 °C for 10 seconds.
- What is the flammability rating of the SZMMSZ4688T1G package? The flammability rating is UL 94 V-0.
