Overview
The MMBZ5257BLT1G is a Zener voltage regulator diode produced by onsemi. This component is part of the MMBZ52xxBLT1G series, which is designed to provide voltage regulation in a compact, surface-mount SOT-23 package. It is well-suited for applications requiring minimal space, such as cellular phones, handheld portables, and high-density PC boards. The device is Pb-free, halogen-free, and RoHS compliant, making it environmentally friendly and compliant with current regulatory standards.
Key Specifications
| Parameter | Symbol | Value | Units |
|---|---|---|---|
| Zener Voltage @ IZT | VZ | 31.35 - 33 - 34.65 | V |
| Reverse Current @ IZT | IZT | 20 | mA |
| Maximum Zener Impedance @ IZT | ZZT | 1300 | Ω |
| Reverse Leakage Current @ VR | IR | 0.25 | μA |
| Total Power Dissipation on FR-5 Board @ TA = 25°C | PD | 225 | mW |
| Thermal Resistance, Junction-to-Ambient | RJA | 556 | °C/W |
| Junction and Storage Temperature Range | TJ, Tstg | −65 to +150 | °C |
| ESD Rating | > 16 KV | ||
| Package | SOT-23 |
Key Features
- Compact SOT-23 surface-mount package for high-density applications.
- Zener voltage range from 2.4 V to 91 V, with the MMBZ5257BLT1G specifically rated at 31.35 V to 34.65 V.
- Total power dissipation of 225 mW on FR-5 board at 25°C.
- ESD rating of Class 3 (> 16 KV) per Human Body Model.
- Pb-free, halogen-free, and RoHS compliant.
- AEC-Q101 qualified and PPAP capable for automotive and other demanding applications.
- Small package size designed for optimal automated board assembly.
Applications
- Cellular phones and other handheld portable devices.
- High-density PC boards and other compact electronic systems.
- Automotive electronics requiring AEC-Q101 qualification.
- Voltage regulation in various electronic circuits where space is limited.
Q & A
- What is the Zener voltage range of the MMBZ5257BLT1G?
The Zener voltage range of the MMBZ5257BLT1G is from 31.35 V to 34.65 V.
- What is the total power dissipation of the MMBZ5257BLT1G on an FR-5 board at 25°C?
The total power dissipation is 225 mW.
- Is the MMBZ5257BLT1G RoHS compliant?
- What is the ESD rating of the MMBZ5257BLT1G?
The ESD rating is Class 3 (> 16 KV) per Human Body Model.
- What package type is used for the MMBZ5257BLT1G?
The package type is SOT-23.
- Is the MMBZ5257BLT1G suitable for automotive applications?
- What is the junction and storage temperature range for the MMBZ5257BLT1G?
The junction and storage temperature range is from −65°C to +150°C.
- What is the thermal resistance, junction-to-ambient, for the MMBZ5257BLT1G?
The thermal resistance is 556 °C/W.
- What are some common applications for the MMBZ5257BLT1G?
- How is the MMBZ5257BLT1G packaged for shipping?
