Overview
The SZMMSZ5255BT1G is a Zener voltage regulator diode produced by onsemi, designed for general-purpose and medium-current applications. This diode is part of the MMSZ52xxBT1G series, which offers a wide range of Zener reverse voltages from 2.4 V to 110 V. The SZMMSZ5255BT1G is packaged in a surface-mount SOD-123 case, making it ideal for high-density applications and optimal automated board assembly.
This device is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements. It also features a Pb-free package and a corrosion-resistant finish, ensuring ease of soldering and environmental compliance.
Key Specifications
Parameter | Value | Unit |
---|---|---|
Zener Reverse Voltage (VZ) @ IZT | 26.60 - 28 - 29.40 | V |
Maximum Zener Impedance (ZZT) @ IZT | 44 | Ω |
Reverse Current (IR) @ VR | 0.25 μA | A |
Power Dissipation (P) | 0.5 | W |
Operating Junction 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 |
Key Features
- 500 mW rating on FR-4 or FR-5 board
- Wide Zener reverse voltage range (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 (> 16 kV) per Human Body Model
- AEC-Q101 qualified and PPAP capable
- SZ prefix for automotive and other applications requiring unique site and control change requirements
- Pb-free package
- Corrosion-resistant finish, easily solderable
- Flammability rating: UL94 V-0
Applications
The SZMMSZ5255BT1G Zener diode is suitable for a variety of applications, including:
- General-purpose voltage regulation
- Automotive systems requiring AEC-Q101 qualification
- High-density electronic designs where space is limited
- Surge protection and voltage clamping
- Medium-current applications in industrial and consumer electronics
Q & A
- What is the Zener reverse voltage range of the SZMMSZ5255BT1G?
The Zener reverse voltage range for the SZMMSZ5255BT1G is 26.60 V to 29.40 V.
- What is the maximum power dissipation of the SZMMSZ5255BT1G?
The maximum power dissipation is 0.5 W.
- What is the operating junction temperature range of the SZMMSZ5255BT1G?
The operating junction temperature range is -55°C to +150°C.
- What is the package type of the SZMMSZ5255BT1G?
The package type is SOD-123.
- Is the SZMMSZ5255BT1G Pb-free?
- What is the ESD rating of the SZMMSZ5255BT1G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- Is the SZMMSZ5255BT1G AEC-Q101 qualified?
- What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds.
- What are the typical applications of the SZMMSZ5255BT1G?
- What is the flammability rating of the SZMMSZ5255BT1G package?