Overview
The 1SMB5937BT3G is a 3 Watt plastic surface mount Zener diode produced by onsemi. This device is part of the 1SMB59xxBT3G series, designed for general purpose voltage regulation applications. It offers a wide range of Zener voltages and is suitable for various end products, including those requiring automotive-grade reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 31.35 - 33 - 34.65 | V |
| Maximum DC Zener Current (IZM) | 500 | mA |
| Maximum Zener Impedance (ZZT) | 11.4 | Ω |
| Reverse Leakage Current (IR) | 0.25 | μA |
| Forward Voltage (VF) | 1.5 | V |
| Forward Current (IF) | 200 | mA |
| Power Dissipation (P) | 3 | W |
| ESD Rating | Class 3 (>16 kV) per Human Body Model | |
| Package | SMB (Pb-Free) | |
| Maximum Lead Temperature for Soldering | 260°C for 10 seconds | |
| Flammability Rating | UL 94 V-0 |
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
- Modified L-Bend leads providing more contact area to bond pads
Applications
- Voltage Regulation
- Waveform Clipping
- MOSFET Gate Protection
- General Usage in Various End Products
- Automotive and Industrial Applications
Q & A
- What is the Zener voltage range of the 1SMB5937BT3G? The Zener voltage range is 31.35 V to 34.65 V.
- What is the maximum power dissipation of the 1SMB5937BT3G? The maximum power dissipation is 3 Watts.
- What is the ESD rating of the 1SMB5937BT3G? The ESD rating is Class 3 (>16 kV) per Human Body Model.
- What is the package type of the 1SMB5937BT3G? The package type is SMB (Pb-Free).
- What is the maximum lead temperature for soldering? The maximum lead temperature for soldering is 260°C for 10 seconds.
- Is the 1SMB5937BT3G AEC-Q101 qualified? Yes, it is AEC-Q101 qualified and PPAP capable.
- What are the typical applications of the 1SMB5937BT3G? Typical applications include voltage regulation, waveform clipping, MOSFET gate protection, and general usage in various end products.
- What is the flammability rating of the 1SMB5937BT3G? The flammability rating is UL 94 V-0.
- How is the polarity indicated on the 1SMB5937BT3G? The polarity is indicated by a molded polarity notch.
- What is the reverse leakage current of the 1SMB5937BT3G? The reverse leakage current is 0.25 μA.
