The SM8S17 is a Transient Voltage Suppressor (TVS) diode produced by Vishay. It is specifically designed to protect sensitive electronic devices from voltage transients resulting from events like lightning strikes, inductive load switching, and electrostatic discharge (ESD). This component is part of the SM8S series, renowned for its high surge withstanding capability and durable construction.

Applications

• I/O Interface Protection
• Protection of sensitive electronics from overvoltage transients
• AC and DC Line Protection
• Used in Telecom, computer, industrial, and consumer electronics

Features

• High surge current capability: I_PP = 660 A (10/1000 μs waveform)
• Glass passivated junction
• Unidirectional configuration
• Low clamping voltage
• Typical IR less than 1 μA above 12 V
• Fast response time
• RoHS compliant according to directive 2011/65/EU and compliant to WEEE 2002/96/EC
• Meets MSL level 1, per J-STD-020, LF maximum peak of 260 °C
• Available with AEC-Q101 qualification

Benefits

• Provides robust protection against transient overvoltage situations, which enhances the reliability of electronic equipment.
• Reduces the possibility of component breakdown caused by surges.
• Guarantees observance to industry standards for ecological conservation.
• Streamlines assembly due to its reflow soldering compatibility.
• Great surge capacity ensures dependable long-term protection.
• AEC-Q101 certification guarantees appropriateness for automotive uses requiring a higher degree of dependability.

Additional Details

The SM8S17 is a surface-mount component, typically packaged in a SM8S package. Its primary electrical characteristics include a standoff voltage of 17 V, a breakdown voltage of approximately 18.9 V, and a clamping voltage of about 29.2V at its rated surge current. It is designed for high-reliability uses and has a glass-passivated junction for improved performance. The unidirectional configuration indicates mainly protection against positive voltage transients. Its operational temperature ranges from -55°C to +175°C.