Overview
The 1SMB30AT3G is a unidirectional Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse Inc. This component is designed to protect voltage-sensitive components from high voltage, high energy transients. It is part of the SMB series, known for its excellent clamping capability, high surge capability, low zener impedance, and fast response time.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Working Peak Reverse Voltage | VRWM | 30 V | V |
| Standard Zener Breakdown Voltage | VBR | 33.3 V (Nominal) | V |
| Peak Power Dissipation | PPK | 600 W @ 1 ms | W |
| Maximum Reverse Peak Pulse Current | IPP | 100 A | A |
| Maximum Reverse Leakage Current | IR | 1.0 μA @ VRWM | μA |
| Clamping Voltage @ IPP | VC | 36.8 V | V |
| ESD Rating | - | Class 3 (> 16 kV) per Human Body Model | - |
| Response Time | - | < 1.0 ns | ns |
| Operating and Storage Temperature Range | TJ, Tstg | −65 to +150 °C | °C |
Key Features
- Unidirectional TVS diode with a peak power rating of 600 W at 1 ms.
- Excellent clamping capability and high surge capability.
- Low zener impedance and fast response time, typically < 1.0 ns.
- ESD rating of Class 3 (> 16 kV) per Human Body Model.
- UL 497B recognition for isolated loop circuit protection.
- Pb-free packages available.
- Cost-effective and highly reliable package.
- AEC-Q101 qualified and PPAP capable for automotive applications.
Applications
The 1SMB30AT3G is ideally suited for use in various applications, including:
- Communication systems
- Automotive systems
- Numerical controls
- Process controls
- Medical equipment
- Business machines
- Power supplies
- Industrial and consumer electronics
Q & A
- What is the primary function of the 1SMB30AT3G TVS diode?
The primary function is to protect voltage-sensitive components from high voltage, high energy transients.
- What is the peak power dissipation of the 1SMB30AT3G?
The peak power dissipation is 600 W at 1 ms.
- What is the working peak reverse voltage (VRWM) of the 1SMB30AT3G?
The VRWM is 30 V.
- What is the ESD rating of the 1SMB30AT3G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- What is the response time of the 1SMB30AT3G?
The response time is typically less than 1.0 ns.
- Is the 1SMB30AT3G suitable for automotive applications?
- What are the operating and storage temperature ranges for the 1SMB30AT3G?
The operating and storage temperature ranges are −65 to +150 °C.
- Does the 1SMB30AT3G have UL recognition?
- Is the 1SMB30AT3G available in Pb-free packages?
- In what types of applications is the 1SMB30AT3G commonly used?
