Manufacturer Part Number
1SMA12CAT3G
Manufacturer
littelfuse
Introduction
The 1SMA12CAT3G is a Transient Voltage Suppressor (TVS) diode designed by littelfuse for general-purpose applications. It is meant to protect sensitive electronics from voltage spikes and surges by clamping excess voltage to a safe level.
Product Features and Performance
Type: Zener
Bidirectional Channels: 1
Voltage - Reverse Standoff (Typ): 12V
Voltage - Breakdown (Min): 13.3V
Voltage - Clamping (Max) @ Ipp: 19.9V
Current - Peak Pulse (10/1000µs): 20.1A
Power - Peak Pulse: 400W
Capacitance @ Frequency: 490pF @ 1MHz
Operating Temperature: -65°C ~ 150°C (TJ)
Mounting Type: Surface Mount
Package / Case: DO-214AC, SMA
Product Advantages
Designed for quick response to transient events
Capable of handling high surge power (400W)
Low incremental surge resistance
Operational over a wide temperature range (-65°C to 150°C)
Compact SMA package for easy mounting
Key Technical Parameters
Voltage - Reverse Standoff (Typ): 12V
Voltage - Breakdown (Min): 13.3V
Voltage - Clamping (Max): 19.9V
Current - Peak Pulse: 20.1A
Power - Peak Pulse: 400W
Capacitance: 490pF @ 1MHz
Quality and Safety Features
Built to handle transient overvoltage conditions, enhancing the safety and longevity of the protected components.
Compatibility
Suitable for use in a wide variety of general-purpose applications due to its uni-directional configuration and wide operating temperature range.
Application Areas
General electronics protection
Consumer electronics
Industrial application
Telecommunications
Product Lifecycle
Obsolete. Potential users should consider the availability of replacements or upgrades for future designs.
Several Key Reasons to Choose This Product
Reliable transient voltage suppression with 400W peak pulse power capability.
Effective protection for sensitive electronics with quick response to surges.
Wide operational temperature range, suitable for various environments.
Compact and easy-to-mount package, facilitating integration into a variety of products.
Due to its obsolescence, ideal for repairing existing systems without the need for redesign.
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