Overview
The 1SMB5944BT3G 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 1SMB5944BT3G is specifically rated for a Zener voltage range of 58.9 V to 65.1 V, making it suitable for various voltage regulation, waveform clipping, and MOSFET gate protection tasks. The device features a flat handling surface for accurate placement and a package design that allows for top side or bottom circuit board mounting.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 58.9 - 65.1 | V |
| Maximum Power Dissipation (Pmax) | 3 | W |
| Reverse Current (IR) at VR | 0.25 μA | A |
| Maximum Zener Impedance (ZZT) | 6 Ω | Ω |
| 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 | UL94 V-0 | - |
| AEC-Q101 Qualified | Yes | - |
| Pb-Free Package | Yes | - |
Key Features
- Zener Voltage Range: 58.9 V to 65.1 V
- High Power Dissipation: 3 W
- 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
- Modified L-Bend Leads for More Contact Area to Bond Pads
- Cathode Indicated by Polarity Band
- UL94 V-0 Flammability Rating
- AEC-Q101 Qualified and PPAP Capable
- Pb-Free Package Available
Applications
- Voltage Regulation: Suitable for stabilizing voltage in various electronic circuits.
- Waveform Clipping: Used to limit the amplitude of voltage signals.
- MOSFET Gate Protection: Protects MOSFET gates from overvoltage conditions.
- General Usage: Can be used in a wide range of electronic devices requiring voltage regulation.
- Automotive and Industrial Applications: AEC-Q101 qualification makes it suitable for automotive and other demanding applications.
Q & A
- What is the Zener voltage range of the 1SMB5944BT3G?
The Zener voltage range of the 1SMB5944BT3G is 58.9 V to 65.1 V.
- What is the maximum power dissipation of the 1SMB5944BT3G?
The maximum power dissipation is 3 W.
- What is the ESD rating of the 1SMB5944BT3G?
The ESD rating is Class 3 (>16 kV) per Human Body Model.
- What type of package does the 1SMB5944BT3G use?
The package type is SMB (DO-214AA).
- Is the 1SMB5944BT3G Pb-Free?
- What is the maximum case temperature for soldering?
The maximum case temperature for soldering is 260°C for 10 seconds.
- What are some common applications of the 1SMB5944BT3G?
- Is the 1SMB5944BT3G AEC-Q101 qualified?
- What is the flammability rating of the 1SMB5944BT3G?
The flammability rating is UL94 V-0.
- How is the cathode indicated on the 1SMB5944BT3G?
The cathode is indicated by a polarity band.
