Overview
The 1SMB5921BT3G is a 3.0 W Zener diode manufactured by onsemi, designed for general purpose voltage regulation applications. This device is part of the 1SMB59 series, which offers a wide range of Zener voltages from 3.3 V to 200 V. The 1SMB5921BT3G is specifically rated at a nominal Zener voltage of 6.8 V, making it suitable for various voltage regulation, waveform clipping, and MOSFET gate protection tasks. It is also AEC-Q101 qualified and PPAP capable, making it reliable for automotive and other demanding applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 6.46 - 7.14 | V |
| Maximum Zener Current (IZM) | 200 | mA |
| Maximum Power Dissipation (P Max) | 3 | W |
| Reverse Leakage Current (IR) | 1 | μA |
| Forward Voltage (VF) | 1.5 | V |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | - |
| Package Type | SMB (DO-214AA) | - |
| Maximum Case Temperature for Soldering | 260°C for 10 seconds | - |
| Flammability Rating | UL 94 V-0 | - |
| Pb-Free Package | Yes | - |
Key Features
- Zener Voltage Range: 6.46 V to 7.14 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
- AEC-Q101 Qualified and PPAP Capable
- SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements
- Modified L-Bend leads providing more contact area to bond pads
- Cathode indicated by molded polarity notch
Applications
- Voltage Regulation
- Waveform Clipping
- MOSFET Gate Protection
- General Purpose Voltage Regulation in Various Electronic Devices
- Automotive and Industrial Applications Requiring High Reliability
Q & A
- What is the nominal Zener voltage of the 1SMB5921BT3G?
The nominal Zener voltage of the 1SMB5921BT3G is 6.8 V, with a range of 6.46 V to 7.14 V.
- What is the maximum power dissipation of the 1SMB5921BT3G?
The maximum power dissipation is 3 W.
- What is the ESD rating of the 1SMB5921BT3G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- Is the 1SMB5921BT3G AEC-Q101 qualified?
Yes, the 1SMB5921BT3G is AEC-Q101 qualified and PPAP capable.
- What type of package does the 1SMB5921BT3G use?
The package type is SMB (DO-214AA).
- What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds.
- Is the 1SMB5921BT3G Pb-free?
Yes, the 1SMB5921BT3G is Pb-free.
- What are some common applications of the 1SMB5921BT3G?
Common applications include voltage regulation, waveform clipping, MOSFET gate protection, and general purpose voltage regulation in various electronic devices.
- How is the cathode indicated on the 1SMB5921BT3G?
The cathode is indicated by a molded polarity notch.
- What is the flammability rating of the 1SMB5921BT3G?
The flammability rating is UL 94 V-0.
