Overview
The 1SMB5935BT3G is a 3 Watt Plastic Surface Mount Zener Voltage Regulator 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 features an ESD rating of Class 3 (>16 kV) per Human Body Model, ensuring robust protection against electrostatic discharge. The flat handling surface facilitates accurate placement, and the package design allows for top side or bottom circuit board mounting. The device is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other applications requiring unique site and control change requirements.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Zener Voltage | VZ | 25.65 - 27 - 28.35 | V |
| Maximum Zener Impedance @ IZT | ZZT | 13.9 | Ω |
| Reverse Current @ VR | IR | 0.25 μA | μA |
| Maximum DC Zener Current | IZM | 700 mA | mA |
| Forward Current @ VF | IF | 200 mA | mA |
| Forward Voltage @ IF | VF | 1.5 V Max. | V |
| Power Dissipation | P Max | 3 W | W |
| Case Temperature for Soldering | T | 260°C for 10 seconds | °C |
| Flammability Rating | UL94 | V-0 | |
| Package Type | SMB-2 |
Key Features
- Zener Voltage Range: 3.3 V to 200 V
- ESD Rating: Class 3 (>16 kV) per Human Body Model
- Flat Handling Surface: For accurate placement
- Package Design: Allows for top side or bottom circuit board mounting
- AEC-Q101 Qualified and PPAP Capable: Suitable for automotive and other applications requiring unique site and control change requirements
- Pb-Free Package: Available and environmentally friendly
- Modified L-Bend Leads: Providing more contact area to bond pads
- Corrosion Resistant Finish: All external surfaces are corrosion resistant with readily solderable leads
Applications
- Voltage Regulation: General purpose voltage regulation applications
- Waveform Clipping: Clipping of waveforms to protect against voltage spikes
- MOSFET Gate Protection: Protecting MOSFET gates from overvoltage conditions
- Automotive and Industrial: Suitable for automotive and industrial applications due to its AEC-Q101 qualification and PPAP capability
Q & A
- What is the Zener voltage range of the 1SMB5935BT3G?
The Zener voltage range of the 1SMB5935BT3G is from 25.65 V to 28.35 V.
- What is the ESD rating of the 1SMB5935BT3G?
The ESD rating of the 1SMB5935BT3G is Class 3 (>16 kV) per Human Body Model.
- What is the maximum power dissipation of the 1SMB5935BT3G?
The maximum power dissipation of the 1SMB5935BT3G is 3 W.
- What is the flammability rating of the 1SMB5935BT3G package?
The flammability rating of the 1SMB5935BT3G package is UL94 V-0.
- Is the 1SMB5935BT3G Pb-Free?
- What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds.
- What are the typical applications of the 1SMB5935BT3G?
The 1SMB5935BT3G is typically used for voltage regulation, waveform clipping, MOSFET gate protection, and in automotive and industrial applications.
- Is the 1SMB5935BT3G AEC-Q101 qualified?
- What is the package type of the 1SMB5935BT3G?
The package type of the 1SMB5935BT3G is SMB-2.
- How is the polarity indicated on the 1SMB5935BT3G?
The polarity is indicated by a molded polarity notch on the cathode side.
