Overview
The SZMMSZ5254BT1G is a Zener diode from onsemi, part of the MMSZ52xxxT1G and SZMMSZ52xxxT1G series. These devices are packaged in the convenient surface mount plastic SOD-123 package, offering a compact alternative to leadless packages. The SZMMSZ5254BT1G is designed for general-purpose, medium-current applications and is suitable for high-density designs due to its small package size.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reverse Zener Voltage (VZ) | 26.7 - 27.3 - 27.9 | V |
| Reverse Current (IZT) | 20 - 30 mA | mA |
| Maximum Zener Impedance (ZZT) | 1200 - 1300 Ω | Ω |
| Reverse Leakage Current (IR) | 0.25 μA | μA |
| Forward Current (IF) | 10 mA | mA |
| Forward Voltage (VF) | 0.95 V Max. | V |
| Power Rating | 500 mW | mW |
| Junction and Storage Temperature Range | -55 to +150 °C | °C |
| Package Type | SOD-123 | - |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | - |
Key Features
- 500 mW power rating on FR-4 or FR-5 board
- Wide Zener reverse voltage range from 2.4 V to 110 V
- Package designed for optimal automated board assembly
- Small package size suitable for high-density applications
- General purpose, medium current
- ESD rating of Class 3 (> 16 kV) per Human Body Model
- SZ prefix for automotive and other applications requiring unique site and control change requirements
- AEC-Q101 qualified and PPAP capable
- Pb-free packages available
Applications
The SZMMSZ5254BT1G Zener diode is suitable for a variety of applications, including:
- Voltage regulation and stabilization
- Overvoltage protection
- Clamping circuits
- Automotive and industrial electronics requiring high reliability and durability
- High-density electronic designs where space is a constraint
Q & A
- What is the package type of the SZMMSZ5254BT1G?
The SZMMSZ5254BT1G is packaged in a surface mount plastic SOD-123 package.
- What is the power rating of the SZMMSZ5254BT1G?
The power rating is 500 mW on FR-4 or FR-5 board.
- What is the reverse Zener voltage range for the SZMMSZ5254BT1G?
The reverse Zener voltage range is 26.7 V to 27.9 V.
- Is the SZMMSZ5254BT1G ESD protected?
Yes, it has an ESD rating of Class 3 (> 16 kV) per the Human Body Model.
- Is the SZMMSZ5254BT1G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other high-reliability applications.
- What is the junction and storage temperature range for the SZMMSZ5254BT1G?
The junction and storage temperature range is -55 to +150 °C.
- Is the SZMMSZ5254BT1G lead-free?
Yes, Pb-free packages are available.
- What are some common applications for the SZMMSZ5254BT1G?
Common applications include voltage regulation, overvoltage protection, clamping circuits, and high-density electronic designs.
- How is the SZMMSZ5254BT1G marked for polarity?
The cathode is indicated by a polarity band.
- What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds.
