Overview
The SM6T12A is a Transient Voltage Suppressor (TVS) diode produced by STMicroelectronics. This component is designed to protect sensitive electronic equipment from electrostatic discharges (ESD) and electrical overstress (EOS) according to various international standards, including IEC 61000-4-2 and MIL STD 883. The SM6T12A is part of the SM6T series, which offers a range of stand-off voltages and is packaged in the SMB format. This device is particularly suited for high-end equipment and Switch-Mode Power Supplies (SMPS) where low leakage current and high junction temperature are critical for reliability and stability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power Dissipation (10/1000 μs) | 600 | W |
| Peak Pulse Power Dissipation (8/20 μs) | 4000 | W |
| Stand-off Voltage (VBR) | 12 V | V |
| Maximum Clamping Voltage (VCL) at 25°C | 16.7 V | V |
| Leakage Current (IRM) at 25°C | 0.2 μA | μA |
| Operating Junction Temperature Range | -55 to +150 °C | °C |
| Storage Temperature Range | -65 to +150 °C | °C |
| Maximum Lead Temperature for Soldering | 260 °C | °C |
| Package Type | SMB | - |
Key Features
- High Power Capability: The SM6T12A can handle peak pulse power dissipation of up to 600 W (10/1000 μs) and 4 kW (8/20 μs).
- Low Leakage Current: The device features a low leakage current of 0.2 μA at 25°C and 1 μA at 85°C.
- High Junction Temperature: It operates within a junction temperature range of -55 to +150°C.
- Compliance with Standards: Complies with UL94 V0, J-STD-020 MSL level 1, and other relevant standards.
- Planar Technology: Utilizes planar technology, making it suitable for high-end equipment and SMPS applications.
- ESD Protection: Provides protection against electrostatic discharges according to IEC 61000-4-2, exceeding level 4 with 30 kV (air and contact discharge).
Applications
- Switch-Mode Power Supplies (SMPS): Ideal for protecting SMPS against surges and ESD.
- High-End Electronic Equipment: Suitable for use in high-reliability and high-stability electronic devices.
- Telecommunications and Networking Equipment: Protects sensitive components in telecom and networking gear.
- Automotive Electronics: Used in automotive systems to protect against electrical overstress and ESD.
- Industrial Control Systems: Provides protection in industrial control and automation systems.
Q & A
- What is the peak pulse power dissipation of the SM6T12A?
The SM6T12A can handle a peak pulse power dissipation of up to 600 W (10/1000 μs) and 4 kW (8/20 μs).
- What is the stand-off voltage (VBR) of the SM6T12A?
The stand-off voltage (VBR) of the SM6T12A is 12 V.
- What is the maximum clamping voltage (VCL) at 25°C for the SM6T12A?
The maximum clamping voltage (VCL) at 25°C for the SM6T12A is 16.7 V.
- What is the leakage current (IRM) at 25°C for the SM6T12A?
The leakage current (IRM) at 25°C for the SM6T12A is 0.2 μA.
- What is the operating junction temperature range of the SM6T12A?
The operating junction temperature range of the SM6T12A is -55 to +150 °C.
- What package type is the SM6T12A available in?
The SM6T12A is packaged in the SMB format.
- Does the SM6T12A comply with any specific standards?
Yes, the SM6T12A complies with UL94 V0, J-STD-020 MSL level 1, and other relevant standards.
- What technology does the SM6T12A use?
The SM6T12A utilizes planar technology.
- How does the SM6T12A protect against electrostatic discharges?
The SM6T12A provides protection against electrostatic discharges according to IEC 61000-4-2, exceeding level 4 with 30 kV (air and contact discharge).
- What are some common applications of the SM6T12A?
The SM6T12A is commonly used in Switch-Mode Power Supplies (SMPS), high-end electronic equipment, telecommunications and networking equipment, automotive electronics, and industrial control systems.
