Overview
The MMSZ5253BT1G is a Zener voltage regulator diode produced by onsemi, designed for general-purpose and medium-current applications. This device is part of the MMSZ52xxxT1G series, which offers a wide range of Zener reverse voltages in a convenient SOD-123 surface mount package. The MMSZ5253BT1G is particularly suited for high-density applications due to its small package size and optimal design for automated board assembly.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Reverse Zener Voltage (VZ) @ IZT | 23.75 - 25 - 26.25 | V |
| Maximum Zener Impedance (ZZT) @ IZT | 35 | Ohms |
| Reverse Leakage Current (IR) @ VR | 0.1 | mA |
| Total Power Dissipation on FR-5 Board | 500 | mW |
| Thermal Resistance, Junction-to-Ambient (RJA) | 340 | °C/W |
| Junction and Storage Temperature Range | -55 to +150 | °C |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model |
Key Features
- 500 mW power rating on FR-4 or FR-5 board
- Wide Zener reverse voltage range (2.4 V to 110 V)
- Small SOD-123 package for high-density applications
- Optimal design for automated board assembly
- ESD rating of Class 3 (> 16 kV) per Human Body Model
- AEC-Q101 qualified and PPAP capable for automotive and other critical applications
- Pb-free devices
Applications
- General-purpose voltage regulation
- Medium-current applications
- Automotive and industrial control systems
- High-density electronic designs
- Surge protection and voltage clamping
Q & A
- What is the reverse Zener voltage of the MMSZ5253BT1G?
The reverse Zener voltage (VZ) of the MMSZ5253BT1G is between 23.75 V and 26.25 V at IZT.
- What is the maximum power dissipation of the MMSZ5253BT1G on an FR-5 board?
The maximum power dissipation is 500 mW on an FR-5 board at a temperature of 75°C.
- What is the thermal resistance of the MMSZ5253BT1G?
The thermal resistance, junction-to-ambient (RJA), is 340 °C/W).
- Is the MMSZ5253BT1G ESD protected?
Yes, the MMSZ5253BT1G has an ESD rating of Class 3 (> 16 kV) per Human Body Model).
- What is the package type of the MMSZ5253BT1G?
The MMSZ5253BT1G is packaged in a SOD-123 surface mount package).
- Is the MMSZ5253BT1G suitable for automotive applications?
Yes, the MMSZ5253BT1G is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other critical applications).
- What is the junction and storage temperature range of the MMSZ5253BT1G?
The junction and storage temperature range is -55°C to +150°C).
- Is the MMSZ5253BT1G Pb-free?
Yes, the MMSZ5253BT1G is a Pb-free device).
- What is the maximum reverse leakage current of the MMSZ5253BT1G?
The maximum reverse leakage current (IR) is 0.1 mA at VR).
- What is the typical application of the MMSZ5253BT1G?
The MMSZ5253BT1G is typically used for general-purpose voltage regulation, medium-current applications, and in high-density electronic designs).
