Overview
The 1SMB5938BT3G is a 3.0 W Zener diode produced 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 1SMB5938BT3G is specifically rated at a Zener voltage of 36 V, making it suitable for various voltage regulation, waveform clipping, and MOSFET gate protection tasks. It is also AEC-Q101 qualified and PPAP capable, ensuring its reliability in automotive and other demanding applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 34.2 - 37.8 | V |
| Zener Current (IZT) | 41 | mA |
| Maximum DC Zener Current (IZM) | 500 | mA |
| Reverse Leakage Current (IR) | 5 | μA |
| Forward Voltage (VF) | 1.5 | V |
| Maximum Power Dissipation (Pmax) | 3 | W |
| ESD Rating | Class 3 (>16 kV) per Human Body Model | |
| Package Type | SMB (DO-214AA) | |
| Maximum Lead Temperature for Soldering | 260°C for 10 seconds | |
| Flammability Rating | UL 94 V-0 |
Key Features
- Zener Voltage Range: 34.2 V to 37.8 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
- 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 Zener voltage range of the 1SMB5938BT3G?
The Zener voltage range of the 1SMB5938BT3G is from 34.2 V to 37.8 V.
- What is the maximum power dissipation of the 1SMB5938BT3G?
The maximum power dissipation is 3 W.
- What is the ESD rating of the 1SMB5938BT3G?
The ESD rating is Class 3 (>16 kV) per Human Body Model.
- Is the 1SMB5938BT3G AEC-Q101 qualified?
- What is the package type of the 1SMB5938BT3G?
The package type is SMB (DO-214AA).
- What is the maximum lead temperature for soldering?
The maximum lead temperature for soldering is 260°C for 10 seconds.
- Is the 1SMB5938BT3G Pb-free?
- What are some common applications of the 1SMB5938BT3G?
- How is the cathode indicated on the 1SMB5938BT3G?
The cathode is indicated by a molded polarity notch.
- What is the flammability rating of the 1SMB5938BT3G?
The flammability rating is UL 94 V-0.
