Overview
The 1.5SMC33AT3G is a Transient Voltage Suppressor (TVS) diode produced by Littelfuse Inc. This component is designed to protect voltage-sensitive components from high voltage, high energy transients. It is part of the 1.5SMCxxAT3G series, which is 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 | 28.2 - 31.4 | V |
| Breakdown Voltage | VBR | 31.4 - 34.7 | V |
| Peak Power Dissipation | PPK | 1500 | W @ 1 ms |
| Maximum Reverse Leakage Current | IR | 5 | µA @ VRWM |
| Clamping Voltage @ Peak Pulse Current | VC | 45.7 | V @ IPP |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | ||
| Response Time | < 1 ns | ||
| Operating and Storage Temperature Range | TJ, Tstg | −65 to +150 | °C |
Key Features
- Excellent clamping capability to protect against high voltage transients.
- High surge capability with a peak power dissipation of 1500 W @ 1 ms.
- Low zener impedance for efficient voltage regulation.
- Fast response time, typically less than 1 ns.
- ESD rating of Class 3 (> 16 kV) per Human Body Model.
- Low leakage current of less than 5 µA above 10 V.
- Pb-free packages available, suitable for RoHS compliance.
Applications
The 1.5SMC33AT3G is ideally suited for various applications including:
- Communication systems
- Automotive systems
- Numerical and process controls
- Medical equipment
- Business machines and power supplies
- Industrial and consumer electronics
Q & A
- What is the primary function of the 1.5SMC33AT3G?
The primary function of the 1.5SMC33AT3G is to protect voltage-sensitive components from high voltage, high energy transients.
- What is the working peak reverse voltage range for the 1.5SMC33AT3G?
The working peak reverse voltage range for the 1.5SMC33AT3G is 28.2 to 31.4 V.
- What is the peak power dissipation of the 1.5SMC33AT3G?
The peak power dissipation of the 1.5SMC33AT3G is 1500 W @ 1 ms.
- What is the ESD rating of the 1.5SMC33AT3G?
The ESD rating of the 1.5SMC33AT3G is Class 3 (> 16 kV) per Human Body Model.
- What is the response time of the 1.5SMC33AT3G?
The response time of the 1.5SMC33AT3G is typically less than 1 ns.
- What are the typical applications for the 1.5SMC33AT3G?
The 1.5SMC33AT3G is used in communication systems, automotive systems, numerical and process controls, medical equipment, business machines, power supplies, and various industrial and consumer electronics.
- Is the 1.5SMC33AT3G RoHS compliant?
- What is the operating and storage temperature range for the 1.5SMC33AT3G?
The operating and storage temperature range for the 1.5SMC33AT3G is −65 to +150°C.
- What is the maximum reverse leakage current for the 1.5SMC33AT3G?
The maximum reverse leakage current for the 1.5SMC33AT3G is 5 µA @ VRWM.
- What package type is the 1.5SMC33AT3G available in?
The 1.5SMC33AT3G is available in the SMC package, which is highly reliable and cost-effective.
