Overview
The 1SMB26AT3G is a 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, known for its excellent clamping capability, high surge capability, low zener impedance, and fast response time. The 1SMB26AT3G is packaged in the DO-214AA (SMB) format, making it suitable for a wide range of applications including communication systems, automotive, numerical controls, process controls, medical equipment, and power supplies.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Working Peak Reverse Voltage | VRWM | 26 V | V |
| Peak Power Rating | Ppk | 600 W @ 1 ms | W |
| Maximum Clamp Voltage @ Peak Pulse Current | Vc @ Ipp | 42.1 V | V |
| Peak Pulse Current (10/1000 µs) | Ipp | 14.2 A | A |
| Reverse Standoff Voltage (Typical) | Vrwm | 26 V | V |
| Breakdown Voltage (Minimum) | Vbr | 28.9 V | V |
| Operating Junction Temperature | Tj | -65°C to 150°C | °C |
| Capacitance @ 1 MHz | C | 630 pF | pF |
| ESD Rating | - | Class 3 (> 16 kV) per Human Body Model | - |
Key Features
- Excellent clamping capability and high surge capability.
- Low zener impedance and fast response time.
- Peak power rating of 600 W @ 1 ms.
- ESD Rating of Class 3 (> 16 kV) per Human Body Model.
- Low leakage current (< 5.0 µA above 10 V).
- Underwriters Laboratory (UL) recognition for the classification of protectors (QVGQ2) under the UL standard for safety 497B.
- Surface mount package (DO-214AA, SMB) for easy integration.
Applications
The 1SMB26AT3G is ideally suited for various applications, including:
- Communication systems.
- Automotive systems.
- Numerical and process controls.
- Medical equipment.
- Business machines.
- Power supplies.
- General purpose protection in industrial and consumer electronics.
Q & A
- What is the primary function of the 1SMB26AT3G? The primary function is to protect voltage-sensitive components from high voltage, high energy transients.
- What is the working peak reverse voltage of the 1SMB26AT3G? The working peak reverse voltage is 26 V.
- What is the peak power rating of the 1SMB26AT3G? The peak power rating is 600 W @ 1 ms.
- What is the maximum clamp voltage at peak pulse current? The maximum clamp voltage at peak pulse current is 42.1 V.
- What is the ESD rating of the 1SMB26AT3G? The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- What are the operating temperature ranges for the 1SMB26AT3G? The operating junction temperature range is -65°C to 150°C.
- What type of package does the 1SMB26AT3G come in? It comes in a DO-214AA (SMB) surface mount package.
- What are some common applications for the 1SMB26AT3G? Common applications include communication systems, automotive, numerical and process controls, medical equipment, and power supplies.
- Does the 1SMB26AT3G have any special certifications? Yes, it has Underwriters Laboratory (UL) recognition for the classification of protectors (QVGQ2) under the UL standard for safety 497B.
- What is the capacitance of the 1SMB26AT3G at 1 MHz? The capacitance at 1 MHz is 630 pF.
