Overview
The 1.5SMC15AT3G 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 offers excellent clamping capability, high surge capability, low zener impedance, and fast response time.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Working Peak Reverse Voltage | VRWM | 12.8 | V |
| Nominal Breakdown Voltage | VBR | 15 | V |
| Peak Power Dissipation @ 1 ms | PPK | 1500 | W |
| ESD Rating | - | > 16 kV (Class 3) | - |
| Maximum Reverse Leakage Current @ VRWM | IR @ VRWM | 5 µA | - |
| Forward Surge Current @ TA = 25°C | IFSM | 200 | A |
| Operating and Storage Temperature Range | TJ, Tstg | -65 to +150 | °C |
| Thermal Resistance from Junction-to-Ambient | RθJA | 6.1 | °C/W |
| Response Time | - | < 1 ns | - |
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 effective voltage regulation.
- Fast response time, typically less than 1 ns.
- ESD rating of Class 3 (> 16 kV) per Human Body Model.
- Low leakage current (< 5 µA above 10 V).
- Pb-free packages available.
- SMC package suitable for small form factor requirements.
Applications
- Communication systems
- Automotive systems
- Process control equipment
- Medical equipment
- Business machines
- Power supplies
- Industrial and consumer electronics
Q & A
- What is the primary function of the 1.5SMC15AT3G TVS diode?
The primary function is to protect voltage-sensitive components from high voltage, high energy transients.
- What is the working peak reverse voltage range for the 1.5SMC15AT3G?
The working peak reverse voltage is 12.8 V.
- What is the peak power dissipation of the 1.5SMC15AT3G at 1 ms?
The peak power dissipation is 1500 W.
- What is the ESD rating of the 1.5SMC15AT3G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- What is the maximum forward surge current for the 1.5SMC15AT3G?
The maximum forward surge current is 200 A.
- What is the operating and storage temperature range for the 1.5SMC15AT3G?
The operating and storage temperature range is -65 to +150°C.
- What package type is the 1.5SMC15AT3G available in?
The component is available in an SMC package.
- Is the 1.5SMC15AT3G Pb-free?
- What are some common applications for the 1.5SMC15AT3G?
Common applications include communication systems, automotive systems, process control equipment, medical equipment, and power supplies.
- What is the response time of the 1.5SMC15AT3G?
The response time is typically less than 1 ns.
