Overview
The SM6T68A is a Transient Voltage Suppressor (TVS) diode manufactured by STMicroelectronics. It is designed to protect sensitive equipment against electrostatic discharges and electrical overstress. This device complies with various international standards, including IEC 61000-4-2, MIL STD 883, and IEC 61000-4-4 and 5. The SM6T68A 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) | - |
| Stand-off Voltage | 58.1 V | V |
| Maximum Current | 6.5 A | A |
| Leakage Current | 0.2 μA at 25 °C, 1 μA at 85 °C | μA |
| Operating Junction Temperature | -55 to +150 °C | °C |
| Directionality | Unidirectional | - |
| Package | SMB | - |
| Lead Finishing | Matte tin plating | - |
Key Features
- Low profile package suitable for automated placement.
- Glass passivated chip junction for reliability.
- Available in unidirectional and bidirectional types.
- Low leakage current to minimize power consumption.
- High power capability up to 350 W at Tj max.
- Compliance with UL94 V0, J-STD-020 MSL level 1, and other industry standards.
- High junction temperature of up to 150 °C.
- Lead finishing with matte tin plating.
Applications
The SM6T68A is ideal for protecting sensitive equipment in various applications, including:
- High-end industrial equipment.
- Switch-Mode Power Supplies (SMPS).
- Automotive systems requiring high reliability and stability.
- Telecommunication and networking equipment.
- Medical devices and other critical systems susceptible to electrical surges.
Q & A
- What is the peak pulse power of the SM6T68A?
The peak pulse power of the SM6T68A is 600 W (10/1000 μs) and 4 kW (8/20 μs). - What is the stand-off voltage of the SM6T68A?
The stand-off voltage of the SM6T68A is 58.1 V. - What is the maximum current the SM6T68A can handle?
The maximum current the SM6T68A can handle is 6.5 A. - What is the operating junction temperature range of the SM6T68A?
The operating junction temperature range of the SM6T68A is -55 to +150 °C. - Is the SM6T68A available in both unidirectional and bidirectional types?
Yes, the SM6T series, including the SM6T68A, is available in both unidirectional and bidirectional types. - What is the leakage current of the SM6T68A at different temperatures?
The leakage current of the SM6T68A is 0.2 μA at 25 °C and 1 μA at 85 °C. - What package type is the SM6T68A available in?
The SM6T68A is packaged in SMB. - What are the lead finishing specifications of the SM6T68A?
The leads of the SM6T68A are finished with matte tin plating. - Does the SM6T68A comply with industry standards?
Yes, the SM6T68A complies with various industry standards including UL94 V0, J-STD-020 MSL level 1, and others. - What are some typical applications of the SM6T68A?
The SM6T68A is typically used in high-end industrial equipment, SMPS, automotive systems, telecommunication and networking equipment, and medical devices.
