Manufacturer Part Number
SM4T39CAY
Manufacturer
stmicroelectronics
Introduction
TVS Diodes designed to protect against voltage transients
Product Features and Performance
Transient Voltage Suppressors (TVS) - TVS Diodes
Series: SM4TY, TRANSIL™
Type: Zener
Bidirectional Channels: 1
Voltage - Reverse Standoff (Typ): 33V
Voltage - Breakdown (Min): 36.7V
Voltage - Clamping (Max) @ Ipp: 69.7V
Current - Peak Pulse (10/1000µs): 33A (8/20µs)
Power - Peak Pulse: 400W
Operating Temperature Range: -55°C to 150°C
Automotive Grade Quality
AEC-Q101 Qualified
Surface Mount Device
Packaged in Tape & Reel for automated placement
Product Advantages
High surge capability
Low clamping voltage
Fast response time
AEC-Q101 qualification for reliability in automotive applications
Key Technical Parameters
Power Pulse Peak: 400W
Peak Pulse Current: 33A
Reverse Standoff Voltage: 33V
Breakdown Voltage: 36.7V
Clamping Voltage: 69.7V
Operating Temperature: -55°C to 150°C
Quality and Safety Features
Complies with ISO 7637-2 Pulse 5
AEC-Q101 certified for automotive applications
Built for durability in rugged environments
Compatibility
Compatible with surface mount technology (SMT)
Fits in DO-214AC, SMA footprint
Can be mounted on circuit boards via soldering
Application Areas
Automotive electronics
Industrial electronics
Communication systems
Power supply protection
Product Lifecycle
Status: Active
Not nearing discontinuation
Replacements and upgrades available
Several Key Reasons to Choose This Product
Protects sensitive electronics from voltage spikes
Enhances system reliability with automotive-grade qualifications
Versatile for a range of applications
Supports automated manufacturing with Tape & Reel packaging
Robust performance in a wide range of operating temperatures
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