Overview
The SZMMSZ12T1G is a Zener voltage regulator diode from onsemi, designed for various voltage regulation applications. This component is part of the MMSZxxxT1G series and is packaged in a surface mount SOD-123 package. It is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other high-reliability applications. The SZ prefix indicates that it meets unique site and control change requirements, enhancing its reliability and consistency.
Key Specifications
| Parameter | Symbol | Min | Nom | Max | Unit |
|---|---|---|---|---|---|
| Reverse Zener Voltage @ IZT | VZ | 11.40 | 12 | 12.60 | V |
| Maximum Zener Impedance @ IZT | ZZT | - | - | 150 | Ω |
| Reverse Leakage Current @ VR | IR | - | - | 0.1 | μA |
| Total Power Dissipation on FR-5 Board @ TL = 75°C | PD | - | - | 500 | mW |
| Thermal Resistance, Junction-to-Ambient | RθJA | - | - | 340 | °C/W |
| Junction and Storage Temperature Range | TJ, Tstg | -55 | - | +150 | °C |
| ESD Rating | - | - | - | > 16 kV (Human Body Model) | - |
Key Features
- 500 mW rating on FR-4 or FR-5 board
- Wide Zener reverse voltage range from 2.4 V to 56 V
- 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
- Pb-free packages available
- Corrosion-resistant finish, easily solderable
- Flammability rating: UL 94 V-0
Applications
The SZMMSZ12T1G is suitable for a variety of applications, including:
- Voltage regulation in automotive and industrial systems
- Overvoltage protection in electronic circuits
- Stabilization of voltage in power supplies and DC-DC converters
- Clamping and clipping circuits
- High-reliability applications requiring AEC-Q101 compliance
Q & A
- What is the reverse Zener voltage of the SZMMSZ12T1G?
The reverse Zener voltage of the SZMMSZ12T1G is nominally 12 V, with a range of 11.40 V to 12.60 V.
- What is the maximum power dissipation of the SZMMSZ12T1G on an FR-5 board?
The maximum power dissipation is 500 mW at a temperature of 75°C.
- What is the thermal resistance of the SZMMSZ12T1G from junction to ambient?
The thermal resistance from junction to ambient is 340 °C/W.
- Is the SZMMSZ12T1G ESD protected?
- What is the junction and storage temperature range for the SZMMSZ12T1G?
The junction and storage temperature range is from -55°C to +150°C.
- Is the SZMMSZ12T1G AEC-Q101 qualified?
- What package type is the SZMMSZ12T1G available in?
- Is the SZMMSZ12T1G lead-free?
- What are some common applications for the SZMMSZ12T1G?
- What is the flammability rating of the SZMMSZ12T1G?
