Overview
The SZMMBZ5247BLT1G is a Zener voltage regulator diode produced by onsemi, designed for applications requiring precise voltage regulation in compact, high-density environments. This device is part of the MMBZ52xxBLT1G series and is packaged in a surface-mount SOT-23 format, making it ideal for cellular phones, handheld portables, and high-density PC boards.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Units |
|---|---|---|---|---|---|
| Zener Voltage @ IZT | VZ | 16.15 | 17 | 17.85 | V |
| Reverse Current @ VZ | IZT | - | 20 | - | mA |
| Maximum Zener Impedance @ IZT | ZZT | - | 1600 | - | 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 | - | +150 | °C |
Key Features
- 225 mW rating on FR-4 or FR-5 board, with higher ratings on alumina substrates.
- Zener voltage range from 2.4 V to 91 V, providing a wide range of voltage regulation options.
- Surface-mount SOT-23 package designed for optimal automated board assembly.
- Small package size suitable for high-density applications.
- 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.
Applications
The SZMMBZ5247BLT1G is well-suited for various applications including:
- Cellular phones and other mobile devices.
- Handheld portables and consumer electronics.
- High-density PC boards and other compact electronic systems.
- Automotive systems requiring AEC-Q101 qualification.
Q & A
- What is the Zener voltage range of the SZMMBZ5247BLT1G?
The Zener voltage range for the SZMMBZ5247BLT1G is from 16.15 V to 17.85 V.
- What is the maximum power dissipation on an FR-5 board?
The maximum power dissipation on an FR-5 board is 225 mW at TA = 25°C.
- What is the thermal resistance, junction-to-ambient, for this device?
The thermal resistance, junction-to-ambient, is 556 °C/W.
- Is the SZMMBZ5247BLT1G RoHS compliant?
- What are the typical applications for this device?
This device is typically used in cellular phones, handheld portables, high-density PC boards, and automotive systems.
- What is the ESD rating of the SZMMBZ5247BLT1G?
The ESD rating is Class 3 (> 16 KV) per Human Body Model.
- Is the SZMMBZ5247BLT1G AEC-Q101 qualified?
- What is the package type of the SZMMBZ5247BLT1G?
The device is packaged in a surface-mount SOT-23 format.
- What is the junction and storage temperature range for this device?
The junction and storage temperature range is from -65°C to +150°C.
- How is the device marked for polarity?
The cathode is indicated by a polarity band.
