Overview
The 1SMA5942BT3G is a 1.5 Watt Zener diode produced by onsemi, designed for general purpose voltage regulation applications. This device is part of the 1SMA59xxBT3G series, which offers a wide range of Zener breakdown voltages from 3.3 V to 68 V. It is particularly suited for voltage regulation, waveform clipping, and MOSFET gate protection. The device is also ideal for various end products due to its robust and versatile design.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Breakdown Voltage (VZ) | 48.45 - 53.55 | V |
| Nominal Zener Voltage (VZ) | 51 | V |
| Maximum DC Zener Current (IZM) | 70 mA | mA |
| Maximum Power Dissipation (PD) | 1.5 W | W |
| Thermal Resistance, Junction-to-Lead (RθJL) | 50 °C/W | °C/W |
| Thermal Resistance, Junction-to-Ambient (RθJA) | 250 °C/W | °C/W |
| Operating and Storage Temperature Range | -65 to +150 °C | °C |
| ESD Rating | Class 3 (>16 kV) per Human Body Model | |
| Package Type | SMA (DO-214AC) | |
| Flammability Rating | UL 94 V-0 | |
| Pb-Free | Yes | |
| AEC-Q101 Qualified | Yes |
Key Features
- Standard Zener Breakdown Voltage Range – 3.3 V to 68 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
- Low Profile Package
- Ideal Replacement for MELF Packages
- AEC-Q101 Qualified and PPAP Capable
- SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements
- Pb-Free Packages Available
- Corrosion Resistant with Readily Solderable Leads
- Maximum Case Temperature for Soldering Purposes: 260°C for 10 seconds
Applications
- Voltage Regulation: Provides stable voltage regulation in various circuits.
- Waveform Clipping: Used to clip voltage waveforms to prevent overvoltage conditions.
- MOSFET Gate Protection: Protects MOSFET gates from overvoltage and transient spikes.
- General Usage: Suitable for many different end products requiring voltage regulation and protection.
- Automotive Applications: AEC-Q101 qualified, making it suitable for automotive and other demanding environments.
Q & A
- What is the Zener breakdown voltage range of the 1SMA5942BT3G?
The Zener breakdown voltage range for the 1SMA5942BT3G is 48.45 V to 53.55 V, with a nominal voltage of 51 V.
- What is the maximum power dissipation of the 1SMA5942BT3G?
The maximum power dissipation is 1.5 W.
- What is the ESD rating of the 1SMA5942BT3G?
The ESD rating is Class 3 (>16 kV) per Human Body Model.
- What package type is the 1SMA5942BT3G available in?
The device is available in the SMA (DO-214AC) package type.
- Is the 1SMA5942BT3G Pb-Free and AEC-Q101 qualified?
Yes, the device is Pb-Free and AEC-Q101 qualified.
- What are the operating and storage temperature ranges for the 1SMA5942BT3G?
The operating and storage temperature range is -65 to +150 °C.
- What are some common applications of the 1SMA5942BT3G?
Common applications include voltage regulation, waveform clipping, MOSFET gate protection, and general usage in various end products.
- What is the flammability rating of the 1SMA5942BT3G?
The flammability rating is UL 94 V-0.
- Can the 1SMA5942BT3G be used in automotive applications?
Yes, it is AEC-Q101 qualified and suitable for automotive and other demanding environments.
- What is the maximum case temperature for soldering purposes?
The maximum case temperature for soldering purposes is 260°C for 10 seconds.
- Is the 1SMA5942BT3G available in tape and reel packaging?
Yes, the device is available in tape and reel packaging.
