Overview
The SM6T220CA is a Transient Voltage Suppressor (TVS) diode produced by STMicroelectronics. It is part of the SM6T series, designed to protect sensitive electronic equipment from electrostatic discharges (ESD) and electrical overstress (EOS) according to various international standards such as IEC 61000-4-2 and MIL STD 883. 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 (VRM) | 188 | V |
| Breakdown Voltage (VBR) | 209 | V |
| Clamping Voltage (VCL) | 388 | V |
| Leakage Current (IR) at 25 °C | 0.2 | µA |
| Operating Junction Temperature Range | -55 to +150 | °C |
| Maximum Lead Temperature for Soldering | 260 | °C |
| Package Type | SMB (DO-214AA-2) | |
| Lead Finishing | Matte Tin Plating |
Key Features
- High peak pulse power dissipation: up to 600 W (10/1000 µs) and 4000 W (8/20 µs)
- Low leakage current: 0.2 µA at 25 °C and 1 µA at 85 °C
- High operating junction temperature: up to 150 °C
- Compliance with various standards: IEC 61000-4-2, MIL STD 883, UL94 V0, J-STD-020, and more
- Planar technology for high reliability and stability in high-end equipment and SMPS
- Available in unidirectional and bidirectional versions
Applications
The SM6T220CA is suitable for a variety of applications, including:
- Protection of sensitive electronic equipment against electrostatic discharges and electrical overstress
- Switch-Mode Power Supplies (SMPS)
- High-end electronic devices requiring low leakage current and high junction temperature stability
- Telecommunication equipment
- Automotive electronics
- Industrial control systems
Q & A
- What is the peak pulse power dissipation of the SM6T220CA?
The peak pulse power dissipation is up to 600 W (10/1000 µs) and 4000 W (8/20 µs). - What is the stand-off voltage of the SM6T220CA?
The stand-off voltage (VRM) is 188 V. - What is the clamping voltage of the SM6T220CA?
The clamping voltage (VCL) is 388 V. - What is the maximum operating junction temperature of the SM6T220CA?
The maximum operating junction temperature is 150 °C. - What package type is the SM6T220CA available in?
The SM6T220CA is available in the SMB (DO-214AA-2) package. - Is the SM6T220CA compliant with any specific standards?
Yes, it is compliant with standards such as IEC 61000-4-2, MIL STD 883, UL94 V0, J-STD-020, and more. - What are the typical applications of the SM6T220CA?
Typical applications include protection of sensitive electronic equipment, SMPS, high-end electronic devices, telecommunication equipment, automotive electronics, and industrial control systems. - What is the leakage current of the SM6T220CA at 25 °C?
The leakage current (IR) at 25 °C is 0.2 µA. - Can the SM6T220CA be used in high-temperature environments?
Yes, it can operate in environments with temperatures up to 150 °C. - Is the SM6T220CA available in both unidirectional and bidirectional versions?
Yes, it is available in both unidirectional and bidirectional versions.
