Overview
The MMSZ43T1G is a Zener diode produced by onsemi, designed for voltage regulation and other applications requiring stable voltage reference. It is part of the MMSZxxxT1G series, which offers a wide range of Zener reverse voltages from 2.4 V to 56 V. This device is packaged in a surface mount plastic SOD-123 case, making it suitable for high-density applications and optimal for automated board assembly.
The MMSZ43T1G is AEC-Q101 qualified and PPAP capable, ensuring its reliability and compliance with automotive and other stringent application requirements. It also features a Pb-free package and an ESD rating of Class 3 (exceeding 16 kV) per the Human Body Model.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reverse Zener Voltage (VZ) | 40.85 - 45.15 | V |
| Maximum Zener Impedance (ZZT) | 150 | Ω |
| Reverse Current (IZT) | 5 mA | mA |
| Reverse Leakage Current (IR) | 0.05 | μA |
| Forward Current (IF) | 10 mA | mA |
| Forward Voltage (VF) | 0.9 V Max. | V |
| Power Dissipation (P Max) | 0.5 | W |
| Package Type | SOD-123 | - |
| ESD Rating | Class 3 (> 16 kV) | - |
| Maximum Case Temperature for Soldering | 260°C for 10 Seconds | - |
| Flammability Rating | UL94 V-0 | - |
Key Features
- Wide Zener Reverse Voltage Range: From 2.4 V to 56 V, making it versatile for various voltage regulation needs.
- High Power Dissipation: 500 mW rating on FR-4 or FR-5 board, suitable for demanding applications.
- Compact Package: SOD-123 surface mount package designed for high-density applications and optimal automated board assembly.
- ESD Protection: ESD rating of Class 3 (exceeding 16 kV) per the Human Body Model, ensuring robustness against electrostatic discharge.
- AEC-Q101 Qualified and PPAP Capable: Meets stringent automotive and industrial application requirements.
- Pb-Free Packages: Available in lead-free packages, complying with environmental regulations.
- Corrosion Resistant Finish: Easily solderable with a corrosion-resistant finish.
Applications
- Voltage Regulation: Provides stable voltage reference in power supplies, voltage regulators, and other electronic circuits.
- Waveform Clipping: Used to clip voltage waveforms to prevent overvoltage conditions.
- MOSFET Gate Protection: Protects MOSFET gates from overvoltage by regulating the gate voltage.
- General Usage: Suitable for a wide range of electronic devices and systems requiring stable voltage references.
- Automotive and Industrial Applications: AEC-Q101 qualified, making it suitable for use in automotive and other demanding industrial environments.
Q & A
- What is the reverse Zener voltage range of the MMSZ43T1G?
The reverse Zener voltage range of the MMSZ43T1G is 40.85 V to 45.15 V.
- What is the maximum power dissipation of the MMSZ43T1G?
The maximum power dissipation of the MMSZ43T1G is 0.5 W.
- What package type is the MMSZ43T1G available in?
The MMSZ43T1G is available in the SOD-123 surface mount package.
- What is the ESD rating of the MMSZ43T1G?
The ESD rating of the MMSZ43T1G is Class 3, exceeding 16 kV per the Human Body Model.
- Is the MMSZ43T1G AEC-Q101 qualified?
- What is the maximum case temperature for soldering the MMSZ43T1G?
The maximum case temperature for soldering the MMSZ43T1G is 260°C for 10 seconds.
- What are some common applications of the MMSZ43T1G?
- Is the MMSZ43T1G available in Pb-free packages?
- What is the flammability rating of the MMSZ43T1G?
- How is the polarity of the MMSZ43T1G indicated?
The polarity of the MMSZ43T1G is indicated by a polarity band on the cathode side.
