Overview
The SM6T68CA-E3/5B is a transient voltage suppressor (TVS) diode produced by Vishay General Semiconductor - Diodes Division. This component is part of the SM6T series, designed to protect sensitive electronic equipment against electrostatic discharges and electrical overstress. The SM6T68CA-E3/5B 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 (10/1000 μs) | 600 | W |
| Peak Pulse Power (8/20 μs) | 4 kW | |
| Stand-off Voltage Range | 5 V to 188 V | |
| Breakdown Voltage (VBR) Unidirectional | 6.8 V to 220 V | |
| Breakdown Voltage (VBR) Bidirectional | 6.8 V to 220 V | |
| Leakage Current at 25 °C | 0.2 μA | |
| Leakage Current at 85 °C | 1 μA | |
| Maximum Junction Temperature (Tj max) | 150 °C | |
| Package Type | SMB (DO-214AA) | |
| Lead Finishing | Matte tin plated leads | |
| Compliance Standards | IEC 61000-4-2, IEC 61000-4-4, MIL STD 883 |
Key Features
- Low profile SMB package suitable for automated placement.
- Glass passivated chip junction for high reliability.
- Available in unidirectional and bidirectional configurations.
- High power capability with peak pulse power dissipation up to 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.
- Operating junction temperature up to 150 °C.
- Compliant with IEC 61000-4-2 and MIL STD 883 for electrostatic discharge protection.
- Matte tin plated leads, solderable per J-STD-002 and JESD 22-B102 E3.
Applications
The SM6T68CA-E3/5B is ideal for protecting sensitive electronic equipment in various applications, including:
- High-end industrial equipment.
- Switch-mode power supplies (SMPS).
- Automotive systems requiring high reliability and protection against electrical overstress.
- Telecommunication systems.
- Consumer electronics where protection against electrostatic discharges is crucial.
Q & A
- What is the peak pulse power dissipation of the SM6T68CA-E3/5B? The peak pulse power dissipation is 600 W (10/1000 μs) and 4 kW (8/20 μs).
- What is the stand-off voltage range of this TVS diode? The stand-off voltage range is from 5 V to 188 V.
- What are the leakage current values at different temperatures? The leakage current is 0.2 μA at 25 °C and 1 μA at 85 °C.
- What is the maximum junction temperature for this component? The maximum junction temperature is 150 °C.
- What package type is used for the SM6T68CA-E3/5B? The package type is SMB (DO-214AA).
- Is the SM6T68CA-E3/5B available in both unidirectional and bidirectional configurations? Yes, it is available in both unidirectional and bidirectional configurations.
- What standards does the SM6T68CA-E3/5B comply with? It complies with IEC 61000-4-2, IEC 61000-4-4, and MIL STD 883.
- What is the lead finishing of the SM6T68CA-E3/5B? The leads are matte tin plated.
- What are some typical applications for the SM6T68CA-E3/5B? Typical applications include high-end industrial equipment, SMPS, automotive systems, telecommunication systems, and consumer electronics.
- Is the SM6T68CA-E3/5B suitable for automated placement? Yes, it is suitable for automated placement due to its low profile SMB package.
