Overview
The MMSZ5256BT1G is a Zener voltage regulator from onsemi, part of the MMSZ52xxxT1G series. This device is designed for general-purpose, medium-current applications and is packaged in a surface-mount SOD-123 format. It offers a wide range of Zener reverse voltage options, making it versatile for various electronic designs. The MMSZ5256BT1G is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring stringent quality standards.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Units |
|---|---|---|---|---|---|
| Reverse Zener Voltage @ IZT | VZ | 29.40 | 30 | 30.60 | V |
| Reverse Current @ IZT | IZT | - | 20 | - | mA |
| Maximum Zener Impedance @ IZT | ZZT | - | 1600 | - | Ω |
| Reverse Leakage Current @ VR | IR | - | 0.25 | - | μA |
| 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 board
- Wide Zener reverse voltage range from 2.4 V to 110 V
- Surface-mount SOD-123 package for optimal automated board assembly
- Small package size suitable for high-density applications
- ESD rating of Class 3 (> 16 kV) per Human Body Model
- AEC-Q101 qualified and PPAP capable for automotive and other stringent applications
- Pb-free device
- Corrosion-resistant finish, easily solderable
Applications
- General-purpose voltage regulation
- Automotive electronics requiring AEC-Q101 qualification
- High-density electronic designs
- Medium-current applications
- Protection circuits requiring stable Zener voltage
Q & A
- What is the package type of the MMSZ5256BT1G?
The MMSZ5256BT1G is packaged in a surface-mount SOD-123 format.
- What is the power dissipation rating of the MMSZ5256BT1G on an FR-5 board?
The total power dissipation rating is 500 mW at TL = 75°C.
- What is the Zener reverse voltage range for the MMSZ5256BT1G?
The Zener reverse voltage for the MMSZ5256BT1G is 29.40 V to 30.60 V.
- Is the MMSZ5256BT1G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other stringent applications.
- What is the thermal resistance of the MMSZ5256BT1G from junction to ambient?
The thermal resistance from junction to ambient is 340 °C/W.
- Is the MMSZ5256BT1G Pb-free?
Yes, the MMSZ5256BT1G is a Pb-free device.
- What is the ESD rating of the MMSZ5256BT1G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- What is the junction and storage temperature range for the MMSZ5256BT1G?
The junction and storage temperature range is -55°C to +150°C.
- What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds.
- Is the MMSZ5256BT1G designed for high-density applications?
Yes, the small package size of the SOD-123 format makes it suitable for high-density applications.
