Manufacturer Part Number
SM4T68AY
Manufacturer
STMicroelectronics
Introduction
Transient Voltage Suppressor Diode designed to protect sensitive electronics from voltage spikes
Product Features and Performance
400W peak pulse power capability
Unidirectional channel for rectified applications
Low leakage current
Fast response time to transient events
Product Advantages
High surge capability for excellent transient voltage suppression
Can withstand temperature extremes for automotive applications
Meet AEC-Q101 standards for automotive qualification
Key Technical Parameters
Type: Zener
Voltage - Reverse Standoff (Typ): 58V
Voltage - Breakdown (Min): 64.4V
Voltage - Clamping (Max) @ Ipp: 121V
Current - Peak Pulse (10/1000µs): 19A (8/20µs)
Power - Peak Pulse: 400W
Quality and Safety Features
Built-in compliance with AEC-Q101 qualification standards
Operates reliably in a wide temperature range: -55°C ~ 150°C (TJ)
Compatibility
Compatible with surface mount technology
Fits in DO-214AC, SMA package footprint
Application Areas
Automotive electronics
Sensitive electronic protection in consumer and industrial products
Product Lifecycle
Active status
No indication of discontinuation, with availability for replacements or upgrades
Several Key Reasons to Choose This Product
Handle high transient power without failing
Suitable for use in harsh automotive environments
Compliance with stringent automotive quality standards
Reduces the risk of damage to sensitive components from electrostatic discharges
Available in industry-standard SMA (DO-214AC) packaging for compatibility with existing designs
SM4T40ASUNMATE