Overview
The SZMMSZ4699T1G is a Zener voltage regulator from onsemi, part of the MMSZ4xxxT1G series. This component is designed to provide stable voltage regulation in a variety of applications. It is packaged in a surface-mount SOD-123 case, making it suitable for high-density board designs. The device is Pb-free and RoHS compliant, ensuring environmental sustainability and regulatory compliance.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Units |
|---|---|---|---|---|---|
| Reverse Zener Voltage | VZ | 11.40 | 12 | 12.60 | V |
| Reverse Current | IZT | - | - | 50 | μA |
| Forward Current | IF | - | - | 10 mA | - |
| Forward Voltage | VF | - | - | 0.9 V | - |
| 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 1.8 V to 43 V.
- Low reverse current (IZT) of 50 μA.
- 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 for automotive and other critical applications.
- Pb-free and RoHS compliant.
- Corrosion-resistant finish, easily solderable.
- Maximum case temperature for soldering purposes: 260°C for 10 seconds.
Applications
The SZMMSZ4699T1G Zener diode is suitable for various applications requiring stable voltage regulation, including:
- Automotive systems: Due to its AEC-Q101 qualification, it is ideal for use in automotive electronics.
- Industrial control systems: Provides stable voltage reference points in industrial control circuits.
- Consumer electronics: Used in power supplies, voltage regulators, and other consumer electronic devices.
- Telecommunications: Helps in stabilizing voltages in telecommunications equipment.
- High-density board designs: The small SOD-123 package makes it suitable for compact electronic designs.
Q & A
- What is the reverse Zener voltage of the SZMMSZ4699T1G?
The reverse Zener voltage (VZ) of the SZMMSZ4699T1G is between 11.40 V and 12.60 V, with a nominal value of 12 V.
- What is the maximum power dissipation of the SZMMSZ4699T1G on an FR-5 board?
The maximum power dissipation (PD) on an FR-5 board is 500 mW.
- What is the thermal resistance of the SZMMSZ4699T1G from junction to ambient?
The thermal resistance (RθJA) from junction to ambient is 340 °C/W.
- Is the SZMMSZ4699T1G Pb-free and RoHS compliant?
- What is the ESD rating of the SZMMSZ4699T1G?
16 kV) per Human Body Model. - What are the typical applications of the SZMMSZ4699T1G?
- What is the junction and storage temperature range of the SZMMSZ4699T1G?
- Is the SZMMSZ4699T1G AEC-Q101 qualified?
- What is the package type of the SZMMSZ4699T1G?
- What is the maximum case temperature for soldering purposes?
