Overview
The SZMMSZ5248ET1G is a Zener diode from onsemi, part of the MMSZ52xxET1G series. This device is packaged in a surface mount plastic SOD-123 case, offering a convenient alternative to leadless packages. It features a 500 mW power rating on FR-4 or FR-5 boards and a wide Zener reverse voltage range from 2.4 V to 110 V. The package is designed for optimal automated board assembly and is suitable for high-density applications due to its small size. The SZMMSZ5248ET1G is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Units |
|---|---|---|---|---|---|
| Reverse Zener Voltage | VZ | 17.10 | 18 | 18.90 | V |
| Reverse Current at VZ | IZT | 20 | - | - | mA |
| Maximum Zener Impedance at IZT | ZZT | - | - | 600 | Ω |
| Reverse Leakage Current at VR | IR | - | - | 0.25 | μA |
| Peak Power Dissipation @ 20 μs | Ppk | - | - | 225 | W |
| Total Power Dissipation on FR-5 Board @ TL = 75°C | PD | - | - | 500 | mW |
| Thermal Resistance, Junction-to-Ambient | RθJA | - | - | 340 | °C/W |
| Junction and Storage Temperature Range | TJ, Tstg | -55 | - | 150 | °C |
Key Features
- 500 mW power rating on FR-4 or FR-5 boards
- Wide Zener reverse voltage range from 2.4 V to 110 V
- Package designed for optimal automated board assembly
- Small package size for high-density applications
- General purpose, medium current
- ESD rating of Class 3 (exceeding 16 kV) per the Human Body Model
- Pb-Free packages available
- AEC-Q101 qualified and PPAP capable
- SZ prefix for automotive and other applications requiring unique site and control change requirements
Applications
The SZMMSZ5248ET1G Zener diode is suitable for a variety of applications, including:
- Automotive systems requiring AEC-Q101 qualification
- High-density electronic circuits where space is limited
- Voltage regulation and stabilization in power supplies
- Overvoltage protection in electronic devices
- General-purpose voltage regulation in medium current applications
Q & A
- What is the package type of the SZMMSZ5248ET1G?
The SZMMSZ5248ET1G is packaged in a surface mount plastic SOD-123 case.
- What is the power rating of the SZMMSZ5248ET1G on FR-4 or FR-5 boards?
The power rating is 500 mW.
- What is the Zener reverse voltage range of the SZMMSZ5248ET1G?
The Zener reverse voltage range is from 2.4 V to 110 V.
- Is the SZMMSZ5248ET1G ESD rated?
Yes, it has an ESD rating of Class 3 (exceeding 16 kV) per the Human Body Model.
- Is the SZMMSZ5248ET1G AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified and PPAP capable.
- 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 thermal resistance, junction-to-ambient, of the SZMMSZ5248ET1G?
The thermal resistance, junction-to-ambient, is 340°C/W.
- What is the junction and storage temperature range of the SZMMSZ5248ET1G?
The junction and storage temperature range is -55°C to +150°C.
- Is the SZMMSZ5248ET1G available in Pb-Free packages?
Yes, Pb-Free packages are available.
- What are some common applications of the SZMMSZ5248ET1G?
Common applications include automotive systems, high-density electronic circuits, voltage regulation, overvoltage protection, and general-purpose voltage regulation in medium current applications.
