Manufacturer Part Number
SM4T28CAY
Manufacturer
stmicroelectronics
Introduction
The SM4T28CAY is a transient voltage suppressor diode designed for the protection of sensitive electronics from voltage transients induced by system-induced load dump and other transient voltage events.
Product Features and Performance
Type: Zener TVS Diode
Bidirectional Channels: 1
Voltage - Reverse Standoff: 24V
Voltage - Breakdown (Min): 26.7V
Voltage - Clamping (Max) @ Ipp: 50V
Current - Peak Pulse (10/1000µs): 46A (8/20µs)
Power - Peak Pulse: 400W
Operating Temperature Range: -55°C to 150°C
Mounting Type: Surface Mount
Package / Case: DO-214AC, SMA
Product Advantages
Optimized for automotive applications
High surge capability up to 46A
Low clamping voltage at high current
Wide operating temperature range
Key Technical Parameters
Reverse Standoff Voltage: 24V
Breakdown Voltage: 26.7V Min
Clamping Voltage: 50V Max at 46A
Peak Pulse Current: 46A (8/20µs)
Peak Pulse Power: 400W
Quality and Safety Features
Qualification: AEC-Q101 qualified
Robust package design
Compatibility
Package Type: SMA (DO-214AC) suitable for surface mount
Application Areas
Designed for automobile electronics protection
Product Lifecycle
Status: Active
Not nearing discontinuation, continuous supply available
Several Key Reasons to Choose This Product
AEC-Q101 qualification ensures reliability in automotive environments
High power dissipation capacity prevents damage during extreme transient conditions
Low clamping voltage protection for sensitive components
High temperature operation suitable for harsh environments
Compact SMA package for space-sensitive applications
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