Overview
The 1SMA30AT3G is a Transient Voltage Suppressor (TVS) diode manufactured by onsemi. This component is designed to protect voltage-sensitive components from high voltage, high energy transients. It is part of the SMA series, known for its excellent clamping capability and high surge handling.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Working Peak Reverse Voltage | VRWM | 30 | V |
| Breakdown Voltage @ IT | VBR | 33.3 - 36.8 | V |
| Clamping Voltage @ IPP | VC | 48.4 | V |
| Maximum Reverse Peak Pulse Current | IPP | 8.3 | A |
| Peak Power Dissipation @ 1 ms | PPK | 400 | W |
| Response Time | - | < 1 ns | - |
| Operating and Storage Temperature Range | TJ, Tstg | -65 to +150 | °C |
| ESD Rating | - | > 16 kV (Human Body Model) | - |
Key Features
- Excellent clamping capability to protect against high voltage transients.
- High surge capability to handle large current pulses.
- Low zener impedance for effective voltage regulation.
- Fast response time, typically less than 1 ns.
- Pb-free device, ensuring environmental compliance.
- Surface mount package with flat handling surface for accurate placement.
- Low profile package suitable for various mounting positions.
- Corrosion-resistant external surfaces and readily solderable leads.
Applications
- Communication systems
- Automotive systems
- Numerical and process controls
- Medical equipment
- Business machines
- Power supplies
- Industrial and consumer electronics
Q & A
- What is the primary function of the 1SMA30AT3G TVS diode?
The primary function is to protect voltage-sensitive components from high voltage, high energy transients.
- What is the working peak reverse voltage (VRWM) of the 1SMA30AT3G?
The VRWM is 30 V.
- What is the clamping voltage at the maximum reverse peak pulse current (IPP)?
The clamping voltage at IPP is 48.4 V.
- What is the peak power dissipation of the 1SMA30AT3G at 1 ms pulse width?
The peak power dissipation is 400 W.
- What is the response time of the 1SMA30AT3G?
The response time is typically less than 1 ns.
- What is the operating and storage temperature range for the 1SMA30AT3G?
The operating and storage temperature range is -65 to +150°C.
- Is the 1SMA30AT3G Pb-free?
- What are some common applications for the 1SMA30AT3G?
Common applications include communication systems, automotive systems, numerical and process controls, medical equipment, business machines, power supplies, and various industrial and consumer electronics.
- What is the ESD rating of the 1SMA30AT3G?
The ESD rating is greater than 16 kV according to the Human Body Model.
- What type of package does the 1SMA30AT3G come in?
The 1SMA30AT3G comes in a surface mount SMA package.
