Manufacturer Part Number
SMAJ70CA-TR
Manufacturer
STMicroelectronics
Introduction
The SMAJ70CA-TR is a Transient Voltage Suppressor (TVS) Diode designed to protect sensitive electronics from voltage spikes and transients through its Zener clamping mechanism.
Product Features and Performance
Bidirectional transient voltage suppression capability
Standoff voltage of 70V with a minimum breakdown voltage of 77.8V
Clamping voltage at a maximum of 146V upon peak pulse current of 16A (according to an 8/20µs waveform)
Peak pulse power dissipation of 400W
Operates across a wide temperature range from -55°C to 150°C
Surface mount device in a DO-214AC (SMA) package for compact installation
Designed for general-purpose applications requiring transient voltage protection
Product Advantages
Provides robust protection against voltage transients and surges
Bidirectional protection ideal for AC circuits or polarities that might reverse
High peak pulse power dissipation capacity for superior surge protection
Wide operating temperature range ensures reliability in extreme environments
Compact surface-mount packaging allows for efficient use of PCB space
Key Technical Parameters
Voltage Reverse Standoff (Typ): 70V
Voltage Breakdown (Min): 77.8V
Voltage Clamping (Max) @ Ipp: 146V
Current Peak Pulse (10/1000µs): 16A
Power Peak Pulse: 400W
Quality and Safety Features
Constructed to reliably handle high transient power
Compliance with international safety standards
Compatibility
Designed for general-purpose applications, compatible across a wide range of circuits and industries
Application Areas
Consumer electronics
Industrial systems
Telecommunications
Power supplies
Automotive systems
Product Lifecycle
Active status indicates ongoing manufacturing and availability
Not currently nearing discontinuation, ensuring long-term support and supply
Several Key Reasons to Choose This Product
High reliability and durability under surge conditions
Flexible deployment across a variety of applications due to general-purpose design
STMicroelectronics' reputation for quality and performance in semiconductor technology
Extensive operating temperature range for use in harsh environments
Surface mount design promotes streamlined manufacturing and assembly processes