Overview
The MMBZ5251BLT1G 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 compact, surface-mount packages. The MMBZ5251BLT1G is specifically tailored for applications requiring precise voltage regulation with minimal space usage, making it ideal for high-density PCBs, cellular phones, and handheld portable devices.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Zener Voltage (VZ) | 20.90 - 22 - 23.10 | V |
| Reverse Current (IZT) | 20 | mA |
| Maximum Zener Impedance (ZZT) @ IZT | 29 | Ω |
| Reverse Leakage Current (IR) @ VR | 0.25 | μA |
| Forward Current (IF) | 10 | mA |
| Forward Voltage (VF) @ IF | 0.9 | V |
| Total Power Dissipation on FR-5 Board | 225 | mW |
| Thermal Resistance, Junction-to-Ambient (RJA) | 556 | °C/W |
| Junction and Storage Temperature Range | -65 to +150 | °C |
| Package Type | SOT-23 | |
| ESD Rating | Class 3 (> 16 KV) per Human Body Model | |
| RoHS Compliance | Pb-Free, Halogen Free/BFR Free |
Key Features
- Compact SOT-23 surface-mount package designed for optimal automated board assembly.
- Zener voltage range from 2.4 V to 91 V, with the MMBZ5251BLT1G specifically rated at 20.90 - 22 - 23.10 V.
- High power dissipation capability: 225 mW on FR-5 board and 300 mW on alumina substrate.
- Low thermal resistance: 556 °C/W (junction-to-ambient) on FR-5 board.
- 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, Halogen Free/BFR Free, and RoHS compliant.
- Small package size suitable for high-density applications.
Applications
- Cellular phones and other mobile devices.
- Handheld portable electronics.
- High-density PCBs in various electronic devices.
- Automotive systems requiring AEC-Q101 qualified components.
- Other applications where precise voltage regulation and compact packaging are essential.
Q & A
- What is the Zener voltage range of the MMBZ5251BLT1G?
The Zener voltage range of the MMBZ5251BLT1G is 20.90 - 22 - 23.10 V.
- What is the maximum power dissipation of the MMBZ5251BLT1G on an FR-5 board?
The maximum power dissipation is 225 mW on an FR-5 board.
- What is the thermal resistance of the MMBZ5251BLT1G?
The thermal resistance (junction-to-ambient) is 556 °C/W on an FR-5 board.
- Is the MMBZ5251BLT1G RoHS compliant?
- What is the ESD rating of the MMBZ5251BLT1G?
The ESD rating is Class 3 (> 16 KV) per Human Body Model.
- What are the typical applications of the MMBZ5251BLT1G?
Typical applications include cellular phones, handheld portable electronics, high-density PCBs, and automotive systems.
- What is the package type of the MMBZ5251BLT1G?
The package type is SOT-23.
- Is the MMBZ5251BLT1G AEC-Q101 qualified?
- What is the forward voltage of the MMBZ5251BLT1G at 10 mA?
The forward voltage (VF) at 10 mA is 0.9 V.
- What is the junction and storage temperature range of the MMBZ5251BLT1G?
The junction and storage temperature range is -65 to +150 °C.
