Overview
The SM6T220A is a transient voltage suppressor (TVS) diode produced by STMicroelectronics. It is designed to protect sensitive equipment against electrostatic discharges and electrical overstress. The device complies with various international standards, including IEC 61000-4-2, IEC 61000-4-4, and MIL STD 883, method 3015. The SM6T220A 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 | 600 W (10/1000 μs), 4 kW (8/20 μs) | W |
| Stand-off Voltage Range | 5 V to 188 V | V |
| Directionality | Unidirectional and Bidirectional | |
| Low Leakage Current | 0.2 μA at 25 °C, 1 μA at 85 °C | μA |
| Operating Junction Temperature (Tj) | -55 °C to 150 °C | °C |
| High Power Capability at Tj max. | Up to 350 W (10/1000 μs) | W |
| Lead Finishing | Matte tin plating | |
| Package | SMB (DO-214AA) |
Key Features
- Low profile package ideal for automated placement.
- Glass passivated chip junction for enhanced reliability.
- Low leakage current: 0.2 μA at 25 °C and 1 μA at 85 °C.
- High power capability: up to 350 W at Tj max. (10/1000 μs).
- Operating junction temperature up to 150 °C.
- Compliance with UL94 V0, J-STD-020 MSL level 1, and J-STD-002 solderable matte tin plated leads.
- Meets IEC 61000-4-4 level 4 and IEC 61000-4-2 standards for electrostatic discharge protection.
Applications
The SM6T220A is suitable for various applications, including:
- Protection of sensitive equipment against electrostatic discharges and electrical overstress.
- High-end equipment and switch-mode power supplies (SMPS) where low leakage current and high junction temperature are required.
- Industrial and automotive applications, particularly for short-to-battery hazards in vehicles.
- High-speed differential lines and other high-reliability systems.
Q & A
- What is the peak pulse power of the SM6T220A?
The peak pulse power of the SM6T220A is 600 W (10/1000 μs) and 4 kW (8/20 μs).
- What is the stand-off voltage range of the SM6T220A?
The stand-off voltage range of the SM6T220A is from 5 V to 188 V.
- What are the directionality options for the SM6T220A?
The SM6T220A is available in both unidirectional and bidirectional types.
- What is the operating junction temperature range of the SM6T220A?
The operating junction temperature range of the SM6T220A is -55 °C to 150 °C.
- What is the package type of the SM6T220A?
The SM6T220A is packaged in SMB (DO-214AA).
- What are the compliance standards for the SM6T220A?
The SM6T220A complies with IEC 61000-4-2, IEC 61000-4-4, and MIL STD 883, method 3015, among others.
- What is the leakage current of the SM6T220A at different temperatures?
The leakage current of the SM6T220A is 0.2 μA at 25 °C and 1 μA at 85 °C.
- What is the high power capability of the SM6T220A at Tj max.?
The high power capability of the SM6T220A at Tj max. is up to 350 W (10/1000 μs).
- Is the SM6T220A suitable for automotive applications?
Yes, the SM6T220A is suitable for automotive applications, particularly for protecting against short-to-battery hazards.
- What is the lead finishing of the SM6T220A?
The leads of the SM6T220A are finished with matte tin plating.
