Overview
The SM6T33A, produced by STMicroelectronics, is a Transient Voltage Suppressor (TVS) designed to protect sensitive equipment against electrostatic discharges and electrical overstress. This device complies with various international standards, including IEC 61000-4-2, IEC 61000-4-4, and MIL STD 883, method 3015. The SM6T33A is part of the SM6T series, which utilizes Planar technology to ensure low leakage current and high junction temperature, making it suitable for high-end equipment and Switch-Mode Power Supplies (SMPS).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Pulse Power | 600 W (10/1000 μs), 4 kW (8/20 μs) | W |
| Stand-off Voltage | 28.2 V | V |
| Directionality | Unidirectional | |
| Low Leakage Current | 0.2 μA at 25 °C, 1 μA at 85 °C | μA |
| Operating Junction Temperature | -55 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 |
Key Features
- High power capability: 600 W (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 operating junction temperature: up to 150 °C
- Compliance with IEC 61000-4-2, IEC 61000-4-4, and MIL STD 883, method 3015
- Unidirectional and bidirectional types available
- Lead finishing: matte tin plating
- RoHS compliance and J-STD-020 MSL level 1
Applications
The SM6T33A is suitable for various applications requiring protection against electrostatic discharges and electrical overstress, including:
- High-end equipment
- Switch-Mode Power Supplies (SMPS)
- Sensitive electronic circuits in industrial, automotive, and consumer electronics
- Protection in power supplies, DC-DC converters, and other high-reliability systems
Q & A
- What is the peak pulse power of the SM6T33A?
The peak pulse power of the SM6T33A is 600 W (10/1000 μs) and 4 kW (8/20 μs).
- What is the stand-off voltage of the SM6T33A?
The stand-off voltage of the SM6T33A is 28.2 V.
- What is the operating junction temperature range of the SM6T33A?
The operating junction temperature range of the SM6T33A is -55 to +150 °C.
- What type of lead finishing does the SM6T33A have?
The SM6T33A has matte tin plating for its leads.
- Is the SM6T33A RoHS compliant?
Yes, the SM6T33A is RoHS compliant and meets J-STD-020 MSL level 1.
- What package type is the SM6T33A available in?
The SM6T33A is packaged in SMB.
- What are the key standards the SM6T33A complies with?
The SM6T33A complies with IEC 61000-4-2, IEC 61000-4-4, and MIL STD 883, method 3015.
- What is the leakage current of the SM6T33A at different temperatures?
The leakage current of the SM6T33A is 0.2 μA at 25 °C and 1 μA at 85 °C.
- What is the high power capability of the SM6T33A at maximum junction temperature?
The high power capability of the SM6T33A at maximum junction temperature is up to 350 W (10/1000 µs).
- What are typical applications for the SM6T33A?
The SM6T33A is typically used in high-end equipment, SMPS, and other sensitive electronic circuits requiring protection against electrostatic discharges and electrical overstress.
