Overview
The 1SMB150AT3G is a Transient Voltage Suppressor (TVS) diode produced by Littelfuse Inc. This component is designed to protect voltage-sensitive electronics from high-voltage, high-energy transients. It is part of the SMB series, known for its excellent clamping capability, high surge handling, and fast response time.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Working Peak Reverse Voltage (VRWM) | 150 | V |
| Standard Zener Breakdown Voltage Range | 167.0 - 176.0 - 185.0 | V |
| Peak Power Rating | 600 W @ 1 ms | W |
| Maximum Reverse Leakage Current (IR) @ VRWM | 5 | µA |
| Clamping Voltage @ Peak Pulse Current (VC @ IPP) | 243.0 V @ 1 A | V @ A |
| Operating and Storage Temperature Range | -65 to +150 | °C |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model | kV |
| Package | DO-214AA, SMB | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- Excellent clamping capability and high surge handling.
- Fast response time to protect against transient voltages.
- Low zener impedance.
- ESD protection in accordance with IEC 61000-4-2 (30kV Air, 30kV Contact) and Human Body Model (Class 3 > 16 kV).
- Low leakage current (< 5 µA above 10 V).
- UL recognized to UL 497B as an isolated loop circuit protector.
- Lead-free and RoHS compliant.
Applications
- 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 1SMB150AT3G?
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 1SMB150AT3G?
The VRWM is 150 V.
- What is the peak power rating of the 1SMB150AT3G?
The peak power rating is 600 W at 1 ms.
- What is the ESD rating of the 1SMB150AT3G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model.
- What is the operating temperature range of the 1SMB150AT3G?
The operating temperature range is -65 to +150 °C.
- Is the 1SMB150AT3G lead-free and RoHS compliant?
- What are some common applications of the 1SMB150AT3G?
It is used in communication systems, automotive systems, numerical and process controls, medical equipment, business machines, and power supplies.
- What is the maximum clamp voltage at peak pulse current for the 1SMB150AT3G?
The maximum clamp voltage is 243.0 V at 1 A.
- What is the moisture sensitivity level (MSL) of the 1SMB150AT3G?
The MSL is 1 (Unlimited).
- Is the 1SMB150AT3G UL recognized?
