Overview
The SZMMSZ4689T1G is a Zener voltage regulator diode produced by onsemi. This component is part of the MMSZ4xxxT1G series, designed to provide stable voltage regulation in a variety of applications. The SZMMSZ4689T1G is packaged in a surface-mount SOD-123 package, making it suitable for high-density board designs and automated assembly processes.
This diode is AEC-Q101 qualified and PPAP capable, ensuring its reliability and suitability for automotive and other demanding applications. It is also Pb-free and RoHS compliant, aligning with environmental regulations.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Units |
|---|---|---|---|---|---|
| Zener Voltage @ IZT | VZ | 4.85 | 5.1 | 5.36 | V |
| Reverse Current @ VR | IZT | - | - | 50 | μA |
| Forward Voltage @ IF | VF | - | - | 3 | V |
| Total Power Dissipation on FR-5 Board | PD | - | - | 500 | mW |
| Thermal Resistance, Junction-to-Ambient | RJA | - | - | 340 | °C/W |
| Junction and Storage Temperature Range | TJ, Tstg | -55 | - | +150 | °C |
| ESD Rating | - | - | - | > 16 kV | - |
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 demanding applications
- Pb-free and RoHS compliant
Applications
The SZMMSZ4689T1G Zener diode is suitable for various applications requiring stable voltage regulation, including:
- Automotive systems
- Industrial control systems
- Consumer electronics
- Power supplies and voltage regulators
- High-density board designs
Q & A
- What is the Zener voltage range of the SZMMSZ4689T1G?
The Zener voltage range for the SZMMSZ4689T1G is from 4.85 V to 5.36 V.
- What is the maximum power dissipation of the SZMMSZ4689T1G on an FR-5 board?
The maximum power dissipation is 500 mW.
- What is the thermal resistance of the SZMMSZ4689T1G from junction to ambient?
The thermal resistance from junction to ambient is 340 °C/W.
- Is the SZMMSZ4689T1G suitable for automotive applications?
- What is the ESD rating of the SZMMSZ4689T1G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- Is the SZMMSZ4689T1G Pb-free and RoHS compliant?
- What package type is the SZMMSZ4689T1G available in?
The SZMMSZ4689T1G is available in a surface-mount SOD-123 package.
- What is the junction and storage temperature range for the SZMMSZ4689T1G?
The junction and storage temperature range is from -55°C to +150°C.
- What is the forward voltage at IF for the SZMMSZ4689T1G?
The forward voltage at IF is up to 3 V.
- Is the SZMMSZ4689T1G designed for high-density applications?
