Overview
The MMSZ5221BT1G is a Zener voltage regulator from onsemi, designed for general-purpose and medium-current applications. This component is part of the MMSZ52xxxT1G series and is packaged in a surface-mount SOD-123 format. It offers a wide range of Zener reverse voltages, making it versatile for various circuit designs. The device is AEC-Q101 qualified and PPAP capable, ensuring reliability and compliance with automotive and other stringent application requirements.
Key Specifications
| Parameter | Value |
|---|---|
| Reverse Zener Voltage (VZ) @ IZT | 2.28 - 2.52 V |
| Reverse Current (IZT) | 20 mA |
| Maximum Zener Impedance (ZZT) @ IZT | 1200 Ω |
| Reverse Leakage Current (IR) @ VR | 100 μA |
| Forward Current (IF) | 10 mA |
| Forward Voltage (VF) @ IF | 0.95 V Max. |
| Power Rating | 500 mW on FR-4 or FR-5 Board |
| Operating Temperature Range | -55°C to +150°C |
| Package Type | SOD-123 Surface Mount |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model |
Key Features
- Wide Zener reverse voltage range: 2.4 V to 110 V
- 500 mW power rating on FR-4 or FR-5 board
- Package designed for optimal automated board assembly
- Small package size for high-density applications
- AEC-Q101 qualified and PPAP capable for automotive and other stringent applications
- Pb-free device
- ESD rating of Class 3 (> 16 kV) per Human Body Model
Applications
The MMSZ5221BT1G Zener diode is suitable for a variety of applications, including voltage regulation, surge protection, and signal clipping in both general-purpose and automotive electronics. Its small package size and high power rating make it ideal for high-density circuit designs.
Q & A
- What is the reverse Zener voltage range of the MMSZ5221BT1G?
The reverse Zener voltage range is 2.28 - 2.52 V. - What is the power rating of the MMSZ5221BT1G on an FR-4 or FR-5 board?
The power rating is 500 mW. - What is the operating temperature range of the MMSZ5221BT1G?
The operating temperature range is -55°C to +150°C. - Is the MMSZ5221BT1G AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified and PPAP capable. - What is the ESD rating of the MMSZ5221BT1G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model. - What package type is the MMSZ5221BT1G available in?
The MMSZ5221BT1G is available in a SOD-123 surface mount package. - Is the MMSZ5221BT1G Pb-free?
Yes, it is a Pb-free device. - What are some common applications of the MMSZ5221BT1G?
Common applications include voltage regulation, surge protection, and signal clipping in general-purpose and automotive electronics. - How is the MMSZ5221BT1G packaged for shipping?
It is available in tape and reel packaging with 3,000 or 10,000 pieces per reel. - What is the forward voltage of the MMSZ5221BT1G at 10 mA?
The forward voltage is 0.95 V Max. at 10 mA.
