Manufacturer Part Number
SM6T39CAY
Manufacturer
STMicroelectronics
Introduction
Transient Voltage Suppressor Diode for surge and ESD protection
Product Features and Performance
Single Zener bidirectional channel
3V Reverse Standoff Voltage
1V Breakdown Voltage (Minimum)
7V Clamping Voltage (Maximum) at peak pulse current
57A Peak Pulse Current (8/20µs waveform)
600W Peak Pulse Power
Operational temperature range from -55°C to 150°C
Product Advantages
AEC-Q101 qualified for automotive applications
Enhanced surge protection capabilities
High reliability and robustness against temperature variations
Key Technical Parameters
Voltage - Reverse Standoff (Typ): 33.3V
Voltage - Breakdown (Min): 37.1V
Voltage - Clamping (Max) @ Ipp: 69.7V
Current - Peak Pulse (10/1000µs): 57A
Peak Pulse Power: 600W
Quality and Safety Features
Automotive-grade product assurance
Compliance with AEC-Q101 standards
Compatibility
Surface Mount Mounting Type
Compatible with DO-214AA, SMB footprint
Application Areas
Automotive electronics
Industrial systems
Consumer electronics
Product Lifecycle
Active status
Not nearing discontinuation
Replacements or upgrades available as technology evolves
Several Key Reasons to Choose This Product
Robust Transient Voltage Suppression for sensitive electronics
High surge current handling capability
Suitable for high-temperature applications
Protects against both positive and negative surges due to bidirectional design
Automotive qualification ensuring high reliability in harsh environments
Easy to integrate with existing circuit layouts due to standard SMB package size
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