Overview
The 1SMB51CAT3G is a transient voltage suppressor (TVS) device produced by ON Semiconductor. It is designed to protect voltage-sensitive components from high voltage, high energy transients. This device is part of the SMB series, known for its excellent clamping capability, high surge capability, low zener impedance, and fast response time. The 1SMB51CAT3G is particularly suited for use in various applications including communication systems, automotive, numerical controls, process controls, medical equipment, business machines, and power supplies.
Key Specifications
| Parameter | Value |
|---|---|
| Polarity | Bidirectional |
| Working Peak Reverse Voltage (VRWM) | 51 V |
| Breakdown Voltage (VBR) | 58.1 V (Min), 64.1 V (Max) |
| Clamping Voltage (VC @ IPP) | 82.4 V |
| Peak Power | 600 Watts @ 1 ms |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model |
| Leakage Current (IR @ VRWM) | < 5 μA Above 10 V |
| Response Time | Typically < 1 ns |
| Termination Style | SMD/SMT |
| Package | Void-free, transfer-molded, thermosetting plastic (CASE 403C) |
Key Features
- Excellent clamping capability and high surge capability.
- Low zener impedance and fast response time (typically < 1 ns).
- ESD Rating of Class 3 (> 16 kV) per Human Body Model.
- Low leakage current (< 5 μA above 10 V).
- UL 497B recognition for isolated loop circuit protection.
- Pb-free packages available.
- AEC-Q101 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements.
Applications
The 1SMB51CAT3G is ideally suited for a wide range of 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 1SMB51CAT3G? 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 1SMB51CAT3G? The VRWM is 51 V.
- What is the clamping voltage of the 1SMB51CAT3G? The clamping voltage is 82.4 V.
- What is the peak power rating of the 1SMB51CAT3G? The peak power rating is 600 Watts @ 1 ms.
- What is the ESD rating of the 1SMB51CAT3G? The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- What is the response time of the 1SMB51CAT3G? The response time is typically < 1 ns.
- Is the 1SMB51CAT3G Pb-free? Yes, Pb-free packages are available.
- What are some common applications for the 1SMB51CAT3G? Common applications include communication systems, automotive, numerical controls, process controls, medical equipment, business machines, and power supplies.
- Does the 1SMB51CAT3G have any certifications? Yes, it has UL 497B recognition for isolated loop circuit protection and is AEC-Q101 qualified.
- What is the package type of the 1SMB51CAT3G? The package type is void-free, transfer-molded, thermosetting plastic (CASE 403C) in SMD/SMT termination style.
