Overview
The MMSZ5254BT1G is a Zener voltage regulator from onsemi, part of the MMSZ52xxxT1G series. This device is designed in the SOD-123 surface mount package, offering a compact and efficient solution for voltage regulation needs. It is suitable for a wide range of applications requiring stable voltage reference points.
The MMSZ5254BT1G is AEC-Q101 qualified and PPAP capable, making it a reliable choice for automotive and other demanding applications. The device is lead-free and features a corrosion-resistant finish, ensuring ease of soldering and high reliability.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Units |
|---|---|---|---|---|---|
| Reverse Zener Voltage @ IZT | VZ | 25.65 | 27 | 28.35 | V |
| Reverse Current @ IZT | IZT | - | 20 | - | mA |
| Maximum Zener Impedance @ IZT | ZZT | - | 1000 | - | Ω |
| Reverse Leakage Current @ VR | IR | - | 0.1 | - | 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 at thermal equilibrium
- Package designed for optimal automated board assembly
- Small package size for high-density applications
- General-purpose, medium current capability
- ESD rating of Class 3 (> 16 kV) per Human Body Model
- AEC-Q101 qualified and PPAP capable for automotive and other demanding applications
- Pb-free devices with corrosion-resistant finish
Applications
The MMSZ5254BT1G Zener diode is versatile and can be used in various applications, including:
- Voltage regulation and reference circuits
- Overvoltage protection
- Automotive systems requiring AEC-Q101 compliance
- High-density electronic designs where space is limited
- General-purpose electronic circuits needing stable voltage reference points
Q & A
- What is the maximum power dissipation of the MMSZ5254BT1G on an FR-5 board?
The maximum power dissipation is 500 mW at TL = 75°C, derated above 75°C.
- What is the reverse Zener voltage range for the MMSZ5254BT1G?
The reverse Zener voltage range is from 25.65 V to 28.35 V.
- What is the thermal resistance, junction-to-ambient, for this device?
The thermal resistance, junction-to-ambient, is 340 °C/W.
- Is the MMSZ5254BT1G AEC-Q101 qualified?
Yes, the MMSZ5254BT1G is AEC-Q101 qualified and PPAP capable.
- What is the ESD rating of the MMSZ5254BT1G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- What is the junction and storage temperature range for this device?
The junction and storage temperature range is -55°C to +150°C.
- Is the MMSZ5254BT1G lead-free?
Yes, the MMSZ5254BT1G is a lead-free device.
- What package type is the MMSZ5254BT1G available in?
The device is available in the SOD-123 surface mount package.
- What are some common applications for the MMSZ5254BT1G?
Common applications include voltage regulation, overvoltage protection, automotive systems, and high-density electronic designs.
- What is the maximum reverse leakage current for the MMSZ5254BT1G?
The maximum reverse leakage current is 0.1 μA.
