Overview
The MMSZ5249BT1G is a Zener diode produced by onsemi, designed for general-purpose, medium-current applications. This device is part of the MMSZ52 series, which offers a wide range of Zener reverse voltages in a convenient surface-mount SOD-123 package. The MMSZ5249BT1G is specifically rated for a Zener voltage of 19 volts, making it suitable for various voltage regulation and protection circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) @ IZT | 18 - 19 - 19.95 | V |
| Maximum Zener Impedance (ZZT) @ IZT | 23 | Ω |
| Reverse Current (IR) @ VR | 0.1 | μA |
| Power Dissipation (P Max) | 0.5 | W |
| Junction and Storage Temperature Range | -55 to +150 | °C |
| Package Type | SOD-123 | |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | |
| AEC-Q101 Qualification | Yes | |
| Pb-Free | Yes |
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 Zener diode
- ESD rating of Class 3 (exceeding 16 kV) per Human Body Model
- Void-free, transfer-molded, thermosetting plastic case
- Corrosion-resistant finish, easily solderable
- AEC-Q101 qualified and PPAP capable
- SZ prefix for automotive and other applications requiring unique site and control change requirements
Applications
- Voltage regulation and stabilization
- Overvoltage protection
- Current limiting
- Automotive electronics
- Industrial control systems
- Consumer electronics
- Telecommunication equipment
Q & A
- What is the Zener voltage of the MMSZ5249BT1G?
The Zener voltage of the MMSZ5249BT1G is 19 volts, with a tolerance range of 18 to 19.95 volts.
- What is the maximum power dissipation of the MMSZ5249BT1G?
The maximum power dissipation is 0.5 watts.
- What is the package type of the MMSZ5249BT1G?
The package type is SOD-123.
- Is the MMSZ5249BT1G ESD protected?
Yes, it has an ESD rating of Class 3, exceeding 16 kV per the Human Body Model.
- Is the MMSZ5249BT1G AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified and PPAP capable.
- What is the junction and storage temperature range of the MMSZ5249BT1G?
The junction and storage temperature range is -55 to +150°C.
- Is the MMSZ5249BT1G Pb-free?
Yes, it is Pb-free.
- What are some common applications of the MMSZ5249BT1G?
Common applications include voltage regulation, overvoltage protection, current limiting, automotive electronics, industrial control systems, and consumer electronics.
- What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds.
- Does the MMSZ5249BT1G have a corrosion-resistant finish?
Yes, it has a corrosion-resistant finish that is easily solderable.
