Overview
The SZMMSZ4V3T1G is a Zener voltage regulator diode produced by onsemi, designed for various electronic applications requiring stable voltage regulation. This device is part of the MMSZxxxT1G and SZMMSZxxxT1G series, which offer a wide range of Zener reverse voltages. The SZMMSZ4V3T1G is specifically rated for a nominal Zener voltage of 4.3V, making it suitable for applications where precise voltage regulation is crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Reverse Zener Voltage (VZ) | 4.09 V to 4.52 V |
| Maximum Zener Impedance (ZZT) | 90 Ω |
| Reverse Current (IZT) | 5 mA |
| Reverse Leakage Current (IR) @ VR | 3 μA |
| Forward Current (IF) | 10 mA |
| Forward Voltage (VF) @ IF | 0.9 V Max. |
| Power Rating | 500 mW on FR-4 or FR-5 Board |
| Package | SOD-123 |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model |
| AEC-Q101 Qualification | Yes |
| Pb-Free Packages | Available |
Key Features
- Wide Zener reverse voltage range from 2.4 V to 56 V, with this specific model rated at 4.3 V.
- 500 mW power rating on FR-4 or FR-5 board.
- 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, making it suitable for automotive and other critical applications.
- Pb-free packages available.
Applications
The SZMMSZ4V3T1G Zener diode is versatile and can be used in a variety of applications, including:
- Voltage regulation and stabilization in power supplies.
- Overvoltage protection circuits.
- Signal clipping and clamping.
- Automotive electronics due to its AEC-Q101 qualification.
- High-density electronic designs where small package size is a requirement.
Q & A
- What is the nominal Zener voltage of the SZMMSZ4V3T1G?
The nominal Zener voltage is 4.3 V, with a range of 4.09 V to 4.52 V. - What is the power rating of the SZMMSZ4V3T1G?
The power rating is 500 mW on FR-4 or FR-5 board. - What package type is used for the SZMMSZ4V3T1G?
The package type is SOD-123. - Is the SZMMSZ4V3T1G ESD rated?
Yes, it has an ESD rating of Class 3 (> 16 kV) per Human Body Model. - Is the SZMMSZ4V3T1G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable. - What is the forward voltage of the SZMMSZ4V3T1G at 10 mA?
The forward voltage is 0.9 V Max. at 10 mA. - What is the reverse leakage current of the SZMMSZ4V3T1G?
The reverse leakage current is 3 μA. - Is the SZMMSZ4V3T1G available in Pb-free packages?
Yes, Pb-free packages are available. - What are some common applications of the SZMMSZ4V3T1G?
Common applications include voltage regulation, overvoltage protection, signal clipping, and automotive electronics. - What is the maximum Zener impedance of the SZMMSZ4V3T1G?
The maximum Zener impedance is 90 Ω.
