Overview
The SZMMSZ4V7T1G is a Zener voltage regulator produced by onsemi, designed for various voltage regulation applications. This component is part of the MMSZxxxT1G series, which offers a wide range of Zener reverse voltages. The SZMMSZ4V7T1G is specifically tailored for automotive and other applications requiring unique site and control change requirements.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Unit |
|---|---|---|---|---|---|
| Reverse Zener Voltage | VZ | 4.47 | 4.7 | 4.94 | V |
| Maximum Zener Impedance | ZZT | 3.7 | 4.7 | - | Ω |
| Reverse Leakage Current | IR | - | - | 3 | μA |
| Total Power Dissipation on FR-5 Board | PD | - | - | 500 | mW |
| Thermal Resistance, Junction-to-Ambient | RθJA | - | - | 340 | °C/W |
| Junction and Storage Temperature Range | TJ, Tstg | -55 | - | 150 | °C |
Key Features
- 500 mW power rating on FR-4 or FR-5 board
- Wide Zener reverse voltage range from 2.4 V to 56 V
- Package designed for optimal automated board assembly
- Small package size for high density applications
- ESD rating of Class 3 (> 16 kV) per Human Body Model
- AEC-Q101 qualified and PPAP capable
- Pb-free packages available
Applications
The SZMMSZ4V7T1G Zener diode is suitable for a variety of applications, including:
- Voltage regulation and stabilization in electronic circuits
- Overvoltage protection and surge absorption
- Automotive systems requiring high reliability and specific control change requirements
- High-density electronic designs where small package size is crucial
Q & A
- What is the nominal Zener voltage of the SZMMSZ4V7T1G?
The nominal Zener voltage is 4.7 V.
- What is the maximum power dissipation of the SZMMSZ4V7T1G on an FR-5 board?
The maximum power dissipation is 500 mW.
- What is the thermal resistance, junction-to-ambient, of the SZMMSZ4V7T1G?
The thermal resistance, junction-to-ambient, is 340 °C/W.
- Is the SZMMSZ4V7T1G ESD protected?
Yes, it has an ESD rating of Class 3 (> 16 kV) per Human Body Model.
- Is the SZMMSZ4V7T1G AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified and PPAP capable.
- What is the junction and storage temperature range of the SZMMSZ4V7T1G?
The junction and storage temperature range is -55°C to +150°C.
- Is the SZMMSZ4V7T1G available in Pb-free packages?
Yes, Pb-free packages are available.
- What is the typical forward voltage of the SZMMSZ4V7T1G?
The typical forward voltage is around 0.9 V at 10 mA.
- Can the SZMMSZ4V7T1G be used in high-density applications?
Yes, it is designed for high-density applications due to its small package size.
- What are some common applications of the SZMMSZ4V7T1G?
Common applications include voltage regulation, overvoltage protection, and use in automotive systems.
