Overview
The MMSZ4678T1G is a lead-free Zener diode manufactured by onsemi, designed to provide voltage regulation. This component is part of the MMSZ4678T1 series and is packaged in a surface mount SOD-123 package. It is optimized for automated board assembly and is suitable for a wide range of applications requiring stable voltage regulation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Power Dissipation | 500 | mW |
| Forward (Drive) Current | 10 | mA |
| Forward Voltage | 0.9 | V |
| Reverse Current (Max) | 50 | µA |
| Working Voltage (Nominal) | 1.8 | V |
| Package Style | SOD-123 | |
| Mounting Method | Surface Mount | |
| Junction and Storage Temperature Range | -55 to +150 | °C |
| Thermal Resistance (Junction-to-Ambient) | 340 | °C/W |
| Thermal Resistance (Junction-to-Lead) | 150 | °C/W |
Key Features
- 500 mW power dissipation 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 suitable for high-density applications
- ESD rating of Class 3 (> 16 kV) per Human Body Model
- Pb-free and RoHS compliant
- AEC-Q101 qualified and PPAP capable for automotive and other critical applications
Applications
The MMSZ4678T1G Zener diode is versatile and can be used in various applications, including:
- Power supply voltage regulation
- Automotive systems
- Communication and computer systems
- Consumer electronics
- Medical devices
- Industrial control systems
- Mobile phone and wireless devices
- Military and aerospace applications
Q & A
- What is the nominal working voltage of the MMSZ4678T1G Zener diode?
The nominal working voltage is 1.8 V.
- What is the maximum power dissipation of the MMSZ4678T1G?
The maximum power dissipation is 500 mW.
- What is the package style of the MMSZ4678T1G?
The package style is SOD-123.
- Is the MMSZ4678T1G lead-free and RoHS compliant?
Yes, the MMSZ4678T1G is lead-free and RoHS compliant.
- What is the thermal resistance (junction-to-ambient) of the MMSZ4678T1G?
The thermal resistance (junction-to-ambient) is 340 °C/W.
- What is the ESD rating of the MMSZ4678T1G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- Is the MMSZ4678T1G AEC-Q101 qualified?
Yes, the MMSZ4678T1G is AEC-Q101 qualified.
- What are the typical applications of the MMSZ4678T1G?
Typical applications include power supply voltage regulation, automotive systems, communication and computer systems, consumer electronics, medical devices, industrial control systems, mobile phone and wireless devices, and military and aerospace applications).
- What is the junction and storage temperature range of the MMSZ4678T1G?
The junction and storage temperature range is -55 to +150 °C).
- How is the MMSZ4678T1G packaged for shipping?
The MMSZ4678T1G is shipped in reels with 3000 units per reel).
