Overview
The 1SMA5941BT3G is a 1.5 Watt plastic surface mount Zener voltage regulator produced by onsemi. This component is part of the 1SMA59xxBT3G series, which offers a wide range of Zener breakdown voltages from 3.3 V to 68 V. The 1SMA5941BT3G is specifically designed with a Zener voltage of 47 V, making it suitable for various voltage regulation and protection applications in electronic circuits.
This device is AEC-Q101 qualified and PPAP capable, ensuring its reliability and performance in automotive and other demanding environments. It features a low profile package, ideal for space-constrained designs, and is lead-free, complying with environmental regulations.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Zener Voltage (VZ) | 44.65 - 47 - 49.35 | V |
| Maximum Zener Impedance (ZZT) @ IZT | 8.0 | Ω |
| Reverse Current (IR) @ VR | 0.25 μA | A |
| Maximum DC Zener Current (IZM) | 67 mA | mA |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | - |
| Maximum Case Temperature for Soldering | 260°C for 10 seconds | °C |
| Package Type | SMA (Surface Mount) | - |
| Flammability Rating | UL 94 V-0 | - |
Key Features
- Standard Zener breakdown voltage range from 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 slide 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 devices
Applications
- Voltage regulation in electronic circuits
- Overvoltage protection
- Automotive electronics due to AEC-Q101 qualification
- Industrial control systems
- Consumer electronics requiring reliable voltage regulation
- Telecommunication equipment
Q & A
- What is the Zener voltage range of the 1SMA5941BT3G?
The Zener voltage range of the 1SMA5941BT3G is 44.65 V to 49.35 V.
- What is the ESD rating of the 1SMA5941BT3G?
The ESD rating is Class 3, which is greater than 16 kV per Human Body Model.
- Is the 1SMA5941BT3G suitable for automotive applications?
Yes, it is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other demanding environments.
- What is the maximum DC Zener current for the 1SMA5941BT3G?
The maximum DC Zener current is 67 mA.
- What is the maximum case temperature for soldering the 1SMA5941BT3G?
The maximum case temperature for soldering is 260°C for 10 seconds.
- Is the 1SMA5941BT3G a lead-free device?
Yes, the 1SMA5941BT3G is a Pb-free device.
- What package type does the 1SMA5941BT3G use?
The package type is SMA (Surface Mount).
- What are some common applications of the 1SMA5941BT3G?
Common applications include voltage regulation, overvoltage protection, automotive electronics, industrial control systems, and consumer electronics.
- What is the flammability rating of the 1SMA5941BT3G?
The flammability rating is UL 94 V-0.
- Can the 1SMA5941BT3G be used as a replacement for MELF packages?
Yes, the 1SMA5941BT3G is designed as an ideal replacement for MELF packages.
