Overview
The SZ1SMA5929BT3G is a 1.5 Watt Zener diode produced by onsemi, designed to meet the stringent requirements of the automotive industry. This diode is part of the SZ1SMA59xxBT3G series and is AEC-Q101 qualified, ensuring it has undergone rigorous testing for reliability and performance. The device features a standard Zener breakdown voltage of 15V with a ±5% tolerance, making it suitable for high-voltage applications requiring low leakage current.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Product Status | Active | |
| Voltage - Zener (Nom) (Vz) | 15 V | V |
| Tolerance | ±5% | |
| Power - Max | 1.5 W | W |
| Impedance (Max) (Zzt) | 9 Ohms | Ω |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 200 mA | V @ mA |
| Current - Reverse Leakage @ Vr | 500 nA @ 11.4 V | nA @ V |
| Operating Temperature | -65°C ~ 150°C | °C |
| Grade | Automotive | |
| Qualification | AEC-Q101 | |
| Mounting Type | Surface Mount | |
| Package / Case | DO-214AC, SMA |
Key Features
- Achieves excellent reliability and mean time between failures (MTBF), ensuring long-term performance.
- Pb-Free packaging, making it environmentally friendly and compliant with the latest SVHC regulations.
- Suitable for high-voltage applications requiring low leakage current.
- ESD Rating of Class 3 (> 16 kV) per Human Body Model, providing robust protection against electrostatic discharge.
- Flat handling surface for accurate placement and low profile package design for top slide or bottom circuit board mounting.
- Ideal replacement for MELF packages.
Applications
- Thermal shutdown: Used to protect circuits from overheating.
- Output overcurrent protection: Helps in preventing damage from excessive current.
- Input undervoltage lockout: Ensures the system operates only within specified voltage ranges.
- General voltage regulation: Provides stable voltage in various electronic circuits.
Q & A
- What is the Zener voltage of the SZ1SMA5929BT3G?
The Zener voltage of the SZ1SMA5929BT3G is 15V with a ±5% tolerance.
- What is the maximum power dissipation of this diode?
The maximum power dissipation is 1.5 Watts.
- What is the operating temperature range of the SZ1SMA5929BT3G?
The operating temperature range is -65°C to 150°C.
- Is the SZ1SMA5929BT3G AEC-Q101 qualified?
- What type of packaging does the SZ1SMA5929BT3G use?
The device uses Pb-Free packaging and is available in DO-214AC (SMA) case.
- What is the reverse leakage current at the specified reverse voltage?
The reverse leakage current is 500 nA at 11.4 V.
- Is the SZ1SMA5929BT3G suitable for high-voltage applications?
- What is the ESD rating of the SZ1SMA5929BT3G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- What are some common applications of the SZ1SMA5929BT3G?
- Is the SZ1SMA5929BT3G environmentally friendly?
