Overview
The 1SMB5953BT3G 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 1SMB5953BT3G specifically has a nominal Zener voltage of 150 V with a tolerance of ±5%. It is packaged in a SMB (DO-214AA) case, which is void-free, transfer-molded plastic, and is Pb-free, making it suitable for various environmental and regulatory requirements.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 142.5 - 157.5 | V |
| Nominal Zener Voltage | 150 | V |
| Maximum Power Dissipation | 3 | W |
| ESD Rating | Class 3 (>16 kV) per Human Body Model | |
| Maximum Case Temperature for Soldering | 260°C for 10 seconds | |
| Leads | Modified L-Bend | |
| Polarity | Cathode indicated by molded polarity notch | |
| Flammability Rating | UL94 V-0 | |
| Package Type | SMB (DO-214AA) | |
| AEC-Q101 Qualification | Qualified and PPAP Capable |
Key Features
- Zener Voltage Range: 142.5 V to 157.5 V with a nominal value of 150 V and a tolerance of ±5%.
- High Power Dissipation: 3 W, making it suitable for various power regulation applications.
- ESD Rating: Class 3 (>16 kV) per Human Body Model, providing robust protection against electrostatic discharge.
- Flat Handling Surface: Ensures accurate placement during the manufacturing process.
- Package Design: Suitable for top side or bottom circuit board mounting.
- Pb-Free Package: Compliant with environmental regulations.
- AEC-Q101 Qualified and PPAP Capable: Suitable for automotive and other applications requiring stringent quality standards.
Applications
- Voltage Regulation: Ideal for stabilizing voltage in power supplies and other electronic circuits.
- Waveform Clipping: Used to limit voltage levels in signal processing and protection circuits.
- MOSFET Gate Protection: Protects MOSFET gates from overvoltage conditions.
- General Usage: Suitable for a wide range of electronic devices requiring voltage regulation and protection.
Q & A
- What is the nominal Zener voltage of the 1SMB5953BT3G? The nominal Zener voltage is 150 V with a tolerance of ±5%.
- What is the maximum power dissipation of the 1SMB5953BT3G? The maximum power dissipation is 3 W.
- What is the ESD rating of the 1SMB5953BT3G? The ESD rating is Class 3 (>16 kV) per Human Body Model.
- What type of package does the 1SMB5953BT3G use? The device is packaged in an SMB (DO-214AA) case.
- Is the 1SMB5953BT3G Pb-free? Yes, the device is Pb-free and compliant with environmental regulations.
- What are the typical applications of the 1SMB5953BT3G? Typical applications include voltage regulation, waveform clipping, MOSFET gate protection, and general usage in electronic devices.
- What is the maximum case temperature for soldering the 1SMB5953BT3G? The maximum case temperature for soldering is 260°C for 10 seconds.
- Is the 1SMB5953BT3G AEC-Q101 qualified? Yes, the device is AEC-Q101 qualified and PPAP capable.
- What is the flammability rating of the 1SMB5953BT3G? The flammability rating is UL94 V-0.
- How is the polarity indicated on the 1SMB5953BT3G? The polarity is indicated by a molded polarity notch.
