Overview
The 1SMB5947BT3G is a 3 Watt plastic surface mount Zener diode produced by onsemi. This device is designed for general purpose voltage regulation applications, offering a wide range of Zener voltages from 3.3 V to 200 V. It is part of the 1SMB59 series, known for its reliability and versatility in various electronic circuits.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 77.9 - 82 - 86.1 | V |
| Maximum DC Zener Current (IZM) | 250 | mA |
| Maximum Power Dissipation (PMax) | 3 | W |
| ESD Rating | Class 3 (>16 kV) per Human Body Model | |
| Package Type | SMB (Surface Mount) | |
| Case Material | Void-free, transfer-molded plastic | |
| Finish | All external surfaces are corrosion resistant | |
| Lead Temperature for Soldering | 260°C for 10 seconds | |
| Flammability Rating | UL 94 V-0 | |
| Polarity Indication | Cathode indicated by polarity band | |
| AEC-Q101 Qualification | Qualified and PPAP Capable |
Key Features
- Zener Voltage Range: 3.3 V to 200 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
- Pb-Free Package Available
- Modified L-Bend Leads Providing More Contact Area to Bond Pads
Applications
- Voltage Regulation
- Waveform Clipping
- MOSFET Gate Protection
- General Purpose Voltage Regulation in Various Electronic Circuits
Q & A
- What is the maximum power dissipation of the 1SMB5947BT3G?
The maximum power dissipation is 3 Watts. - What is the Zener voltage range of the 1SMB59 series?
The Zener voltage range is from 3.3 V to 200 V. - What is the ESD rating of the 1SMB5947BT3G?
The ESD rating is Class 3 (>16 kV) per Human Body Model. - Is the 1SMB5947BT3G AEC-Q101 qualified?
Yes, it is AEC-Q101 qualified and PPAP capable. - What type of package does the 1SMB5947BT3G use?
The package type is SMB (Surface Mount). - How is the polarity indicated on the 1SMB5947BT3G?
The polarity is indicated by a polarity band. - What is the maximum lead temperature for soldering?
The maximum lead temperature for soldering is 260°C for 10 seconds. - Is the 1SMB5947BT3G Pb-Free?
Yes, Pb-Free packages are available. - What are some common applications of the 1SMB5947BT3G?
Common applications include voltage regulation, waveform clipping, and MOSFET gate protection. - What is the flammability rating of the 1SMB5947BT3G?
The flammability rating is UL 94 V-0.
