Overview
The SZMMSZ5250BT1G is a Zener voltage regulator diode produced by onsemi, designed for general-purpose, medium-current applications. It is part of the MMSZ52xxxT1G series, which offers a wide range of Zener reverse voltages. This device is packaged in a surface-mount SOD-123 plastic case, making it suitable for high-density applications and optimal for automated board assembly.
The SZMMSZ5250BT1G 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 that is easily solderable.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Unit |
|---|---|---|---|---|---|
| Reverse Zener Voltage @ IZT | VZ | 19.60 | 20 | 20.40 | V |
| Reverse Current @ IZT | IZT | 20 | - | 30 | mA |
| Maximum Zener Impedance @ IZT | ZZT | - | - | 600 | Ω |
| Reverse Leakage Current @ VR | IR | - | - | 0.25 | μA |
| Forward Current | IF | - | - | 10 | mA |
| Forward Voltage @ IF | VF | - | - | 0.9 | V |
| Junction and Storage Temperature Range | TJ, Tstg | -55 | - | 150 | °C |
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 (exceeding 16 kV) per the Human Body Model
- Void-free, transfer-molded, thermosetting plastic case
- Corrosion resistant finish, easily solderable
- Maximum Case Temperature for Soldering Purposes: 260°C for 10 Seconds
- Pb-Free Packages are Available
- AEC-Q101 Qualified and PPAP Capable
- SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements
Applications
The SZMMSZ5250BT1G is suitable for a variety of applications, including:
- Automotive systems requiring AEC-Q101 qualification
- High-density electronic circuits where space is limited
- General-purpose voltage regulation in electronic devices
- Surge protection and voltage clamping in power supplies and other electronic systems
- Medium-current applications requiring stable Zener voltage regulation
Q & A
- What is the reverse Zener voltage range of the SZMMSZ5250BT1G?
The reverse Zener voltage range for the SZMMSZ5250BT1G is 19.60 V to 20.40 V.
- What is the maximum power rating of the SZMMSZ5250BT1G on an FR-4 or FR-5 board?
The maximum power rating is 500 mW.
- What is the package type of the SZMMSZ5250BT1G?
The device is packaged in a surface-mount SOD-123 plastic case.
- Is the SZMMSZ5250BT1G Pb-free?
- What is the ESD rating of the SZMMSZ5250BT1G?
The ESD rating is Class 3, exceeding 16 kV per the Human Body Model.
- What are the junction and storage temperature ranges for the SZMMSZ5250BT1G?
The junction and storage temperature ranges are -55°C to +150°C.
- Is the SZMMSZ5250BT1G 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 some typical applications for the SZMMSZ5250BT1G?
Typical applications include automotive systems, high-density electronic circuits, general-purpose voltage regulation, surge protection, and medium-current applications.
- How is the polarity indicated on the SZMMSZ5250BT1G?
The polarity is indicated by a polarity band on the cathode side.
