Manufacturer Part Number
SMA6T18AY
Manufacturer
STMicroelectronics
Introduction
Transient Voltage Suppressor designed to protect automotive circuits from voltage surges
Product Features and Performance
Unidirectional TVS diode
Transient protection for sensitive circuits
Surface mount DO-214AC, SMA package
Compliance with IEC standards for ESD immunity
Product Advantages
High surge capability
Low leakage current
Fast response time
AEC-Q101 qualified for automotive reliability
Key Technical Parameters
Type: Zener diode
Voltage - Reverse Standoff (Typ): 15.3V
Voltage - Breakdown (Min): 17.1V
Voltage - Clamping (Max): 32.3V at Ipp
Current - Peak Pulse: 123A (8/20µs)
Power - Peak Pulse: 600W
Operating Temperature Range: -40°C to 150°C
Quality and Safety Features
AEC-Q101 automotive qualification
Meets ISO7637-2 for transient immunity
Robust against repetitive surges
Compatibility
Surface Mount compatible with DO-214AC, SMA footprint
Designed for integration in automotive circuit protection
Application Areas
Automotive systems
Industrial applications
Power supply lines
Data communication lines
Product Lifecycle
Active product status
Not nearing discontinuation
Compatible upgrades or replacements available as per standard STMicroelectronics practice
Several Key Reasons to Choose This Product
Proven efficiency in surge protection for automotive applications
Simplified design with unidirectional protection
Enhanced thermal characteristics for high reliability
Stringent quality standards meeting AEC-Q101 requirements
600W peak pulse power handling capabilities
High-temperature operational stability
Easy to integrate into existing circuit designs
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