Overview
The SZ1SMA5931BT3G is a 1.5 W Zener diode produced by onsemi, designed for general purpose voltage regulation applications. This device is part of the 1SMA59xxBT3G series, which offers a wide range of standard Zener breakdown voltages from 3.3 V to 68 V. It is particularly suited for voltage regulation, waveform clipping, MOSFET gate protection, and various other general usage scenarios.
The device features a flat handling surface for accurate placement and a low profile package, making it ideal for top side or bottom circuit board mounting. It is also a suitable replacement for MELF packages and is available in tape and reel packaging.
The SZ1SMA5931BT3G is AEC-Q101 qualified and PPAP capable, with an SZ prefix indicating its suitability for automotive and other applications requiring unique site and control change requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 17.1 - 18.9 | V |
| Maximum Power Dissipation (PD) | 1.5 | W |
| Reverse Current (IZT) | 0.25 | mA |
| Maximum Zener Impedance (ZZT) | 13.7 | Ω |
| Reverse Leakage Current (IR) | 1.0 | μA |
| Operating and Storage Temperature Range | -65 to +150 | °C |
| ESD Rating | Class 3 (>16 kV) per Human Body Model | |
| Package Type | SMA-2 | |
| Maximum Case Temperature for Soldering | 260°C for 10 seconds | |
| Flammability Rating | UL 94 V-0 |
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 side 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 packages available
Applications
- Voltage regulation
- Waveform clipping
- MOSFET gate protection
- General purpose voltage regulation in various electronic devices
- Automotive applications due to AEC-Q101 qualification
Q & A
- What is the Zener voltage range of the SZ1SMA5931BT3G?
The Zener voltage range of the SZ1SMA5931BT3G is 17.1 V to 18.9 V.
- What is the maximum power dissipation of this Zener diode?
The maximum power dissipation is 1.5 W.
- What is the ESD rating of the SZ1SMA5931BT3G?
The ESD rating is Class 3 (>16 kV) per Human Body Model.
- What type of package does the SZ1SMA5931BT3G come in?
The device comes in an SMA-2 package.
- Is the SZ1SMA5931BT3G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive applications.
- What is the operating and storage temperature range of this device?
The operating and storage temperature range is -65°C to +150°C.
- Can the SZ1SMA5931BT3G be used as a replacement for MELF packages?
Yes, it is designed as an ideal replacement for MELF packages.
- Is the SZ1SMA5931BT3G Pb-Free?
Yes, Pb-Free packages are available.
- What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds.
- What is the flammability rating of the SZ1SMA5931BT3G?
The flammability rating is UL 94 V-0.
