Overview
The SZ1SMA5945BT3G is a 1.5 Watt plastic surface mount Zener voltage regulator produced by onsemi. This component is part of the 1SMA59xxBT3G series, which offers a wide range of Zener breakdown voltages from 3.3 V to 68 V. The SZ1SMA5945BT3G is specifically designed for applications requiring a Zener voltage of 64.6 V to 71.4 V. It is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other demanding applications.
Key Specifications
| Parameter | Value |
|---|---|
| Zener Voltage (VZ) | 64.6 V to 71.4 V |
| Reverse Current (IZT) | 5.5 mA |
| Maximum Zener Impedance (ZZT) | 120 Ω |
| Reverse Leakage Current (IR) | 0.25 μA |
| Maximum DC Zener Current (IZM) | 1200 mA |
| Forward Current (IF) | 200 mA |
| Forward Voltage (VF) | 1.2 V Max. @ IF = 200 mA |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model |
| Package | |
| Maximum Case Temperature for Soldering | 260°C for 10 seconds |
Key Features
- Standard Zener Breakdown Voltage Range − 3.3 V to 68 V
- ESD Rating of Class 3 (> 16 kV) per Human Body Model
- Flat Handling Surface for Accurate Placement
- Package Design for Top Slide or Bottom Circuit Board Mounting
- Low Profile Package
- Ideal Replacement for MELF Packages
- AEC-Q101 Qualified and PPAP Capable
- SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements
- Pb-Free Devices
Applications
The SZ1SMA5945BT3G is suitable for a variety of applications, including voltage regulation, overvoltage protection, and noise reduction in electronic circuits. It is particularly useful in automotive and industrial environments where reliability and robustness are critical. Other applications include consumer electronics, medical devices, and telecommunications equipment.
Q & A
- What is the Zener voltage range of the SZ1SMA5945BT3G?
The Zener voltage range of the SZ1SMA5945BT3G is from 64.6 V to 71.4 V. - What is the ESD rating of the SZ1SMA5945BT3G?
The ESD rating of the SZ1SMA5945BT3G is Class 3 (> 16 kV) per Human Body Model. - Is the SZ1SMA5945BT3G AEC-Q101 qualified?
Yes, the SZ1SMA5945BT3G is AEC-Q101 qualified and PPAP capable. - What is the maximum DC Zener current of the SZ1SMA5945BT3G?
The maximum DC Zener current of the SZ1SMA5945BT3G is 1200 mA. - What is the forward voltage of the SZ1SMA5945BT3G at 200 mA forward current?
The forward voltage of the SZ1SMA5945BT3G at 200 mA forward current is 1.2 V Max. - What is the maximum case temperature for soldering the SZ1SMA5945BT3G?
The maximum case temperature for soldering the SZ1SMA5945BT3G is 260°C for 10 seconds. - Is the SZ1SMA5945BT3G lead-free?
Yes, the SZ1SMA5945BT3G is a Pb-Free device. - What type of package does the SZ1SMA5945BT3G use?
The SZ1SMA5945BT3G uses a void-free, transfer-molded plastic package. - Can the SZ1SMA5945BT3G be used in automotive applications?
Yes, the SZ1SMA5945BT3G is suitable for automotive and other applications requiring unique site and control change requirements. - What are some common applications of the SZ1SMA5945BT3G?
The SZ1SMA5945BT3G is commonly used in voltage regulation, overvoltage protection, and noise reduction in various electronic circuits, including automotive, industrial, consumer electronics, medical devices, and telecommunications equipment.
