Overview
The 1SMB15AT3G is a 600 Watt Peak Power Zener Transient Voltage Suppressor (TVS) diode manufactured by ON Semiconductor. This component is designed to protect voltage-sensitive components from high voltage, high energy transients. It is part of the SMB series, which is known for its excellent clamping capability, high surge capability, low zener impedance, and fast response time. The 1SMB15AT3G is packaged in ON Semiconductor’s SURMETIC package, which is cost-effective and highly reliable.
Key Specifications
| Parameter | Value |
|---|---|
| Working Peak Reverse Voltage (VRWM) | 15 V |
| Standard Zener Breakdown Voltage Range | 16.7 V to 18.5 V |
| Peak Power | 600 W @ 1.0 ms |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model |
| Maximum Clamp Voltage @ Peak Pulse Current | Approx. 24.4 V |
| Leakage Current | < 5.0 μA Above 10 V |
| Response Time | Typically < 1.0 ns |
| Package | SMB (CASE 403A), Pb-Free |
| UL Recognition | UL 497B for Isolated Loop Circuit Protection |
Key Features
- 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.
- Low leakage current (< 5.0 μA above 10 V).
- Pb-Free packages available.
- AEC-Q101 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
- UL 497B recognition for isolated loop circuit protection.
Applications
The 1SMB15AT3G is ideally suited for use in various applications, including communication systems, automotive systems, numerical controls, process controls, medical equipment, business machines, power supplies, and many other industrial and consumer applications.
Q & A
- What is the primary function of the 1SMB15AT3G? The primary function is to protect voltage-sensitive components from high voltage, high energy transients.
- What is the peak power rating of the 1SMB15AT3G? The peak power rating is 600 W @ 1.0 ms.
- What is the ESD rating of the 1SMB15AT3G? The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- What is the response time of the 1SMB15AT3G? The response time is typically < 1.0 ns.
- Is the 1SMB15AT3G Pb-Free? Yes, Pb-Free packages are available.
- What are some common applications for the 1SMB15AT3G? Common applications include communication systems, automotive systems, numerical controls, process controls, medical equipment, and power supplies.
- Does the 1SMB15AT3G have any special certifications? Yes, it is AEC-Q101 qualified and PPAP capable for automotive and other applications.
- What is the UL recognition for the 1SMB15AT3G? It has UL 497B recognition for isolated loop circuit protection.
- How is the 1SMB15AT3G typically mounted? It can be mounted in any position.
- What is the maximum case temperature for soldering the 1SMB15AT3G? The maximum case temperature for soldering is 260°C for 10 seconds.
