Overview
The SM6T22A is a Transient Voltage Suppressor (TVS) diode produced by STMicroelectronics. It is part of the SM6T series, designed to protect sensitive equipment against electrostatic discharges and electrical overstress. 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.
The SM6T22A is available in a unidirectional configuration and is packaged in the SMB format. It complies with various industry standards, including IEC 61000-4-2 and MIL STD 883, making it a robust solution for protecting against surges and electrostatic discharges.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power (10/1000 μs) | 600 | W |
| Peak Pulse Power (8/20 μs) | 4 kW | |
| Stand-off Voltage | 22 V | V |
| Breakdown Voltage (VBR) at 25 °C | 20.9 - 23.1 V | V |
| Maximum Peak Pulse Current (IPP) | 30.6 A | A |
| Clamping Voltage (VCL) at 25 °C | 39.3 V | V |
| Leakage Current (IRM) at 25 °C | 0.2 μA | μA |
| Operating Junction Temperature Range | -55 to +150 °C | °C |
| Maximum Lead Temperature for Soldering | 260 °C | °C |
| Package Type | SMB |
Key Features
- High Power Capability: Up to 600 W peak pulse power dissipation (10/1000 μs) and 4 kW (8/20 μs).
- Low Leakage Current: 0.2 μA at 25 °C and 1 μA at 85 °C.
- High Junction Temperature: Operating junction temperature range of -55 to +150 °C.
- Compliance with Standards: Meets IEC 61000-4-2, MIL STD 883, and other industry standards for electrostatic discharge and electrical overstress protection.
- Planar Technology: Ensures reliability and stability over time, especially in high-end equipment and SMPS.
- ECOPACK Packaging: Available in environmentally compliant ECOPACK packages.
Applications
- Switch-Mode Power Supplies (SMPS): Ideal for protecting SMPS against surges and electrostatic discharges.
- High-End Equipment: Suitable for protecting sensitive electronics in high-end devices.
- Industrial and Automotive Systems: Can be used to protect against electrical overstress in various industrial and automotive applications.
- Telecommunications and Networking Equipment: Protects against surges and electrostatic discharges in telecommunications and networking devices.
Q & A
- What is the peak pulse power dissipation of the SM6T22A?
The peak pulse power dissipation of the SM6T22A is 600 W (10/1000 μs) and 4 kW (8/20 μs).
- What is the stand-off voltage of the SM6T22A?
The stand-off voltage of the SM6T22A is 22 V.
- What is the maximum operating junction temperature of the SM6T22A?
The maximum operating junction temperature of the SM6T22A is +150 °C.
- What is the leakage current of the SM6T22A at 25 °C?
The leakage current of the SM6T22A at 25 °C is 0.2 μA.
- What package type is the SM6T22A available in?
The SM6T22A is available in the SMB package type.
- Does the SM6T22A comply with industry standards for electrostatic discharge protection?
Yes, the SM6T22A complies with IEC 61000-4-2 and MIL STD 883 among other standards.
- What is the maximum lead temperature for soldering the SM6T22A?
The maximum lead temperature for soldering the SM6T22A is 260 °C.
- Is the SM6T22A suitable for high-end equipment and SMPS?
Yes, the SM6T22A is particularly suited for high-end equipment and SMPS due to its low leakage current and high junction temperature capabilities.
- What is the clamping voltage of the SM6T22A at 25 °C?
The clamping voltage of the SM6T22A at 25 °C is approximately 39.3 V.
- Does the SM6T22A come in environmentally compliant packaging?
Yes, the SM6T22A is available in environmentally compliant ECOPACK packages.
