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1SMA12AT3G

1SMA12AT3G Description

The 1SMA12AT3G is a Zener TVS Diode from Littelfuse Inc., designed for general-purpose applications. This surface-mount device offers a peak pulse current of 20.1A (10/1000µs) and a peak pulse power of 400W. With a capacitance of 925pF at 1MHz, the 1SMA12AT3G provides efficient transient voltage suppression. It has a minimum breakdown voltage of 13.3V and a maximum clamping voltage of 19.9V at Ipp. The reverse standoff voltage is typically 12V. The 1SMA12AT3G is RoHS3 compliant and REACH unaffected, ensuring environmental safety.

1SMA12AT3G Features

• Zener TVS Diode
• General Purpose Applications
• Surface Mount Technology
• Peak Pulse Current: 20.1A (10/1000µs)
• Peak Pulse Power: 400W
• Capacitance: 925pF @ 1MHz
• Minimum Breakdown Voltage: 13.3V
• Maximum Clamping Voltage: 19.9V @ Ipp
• Reverse Standoff Voltage: 12V (Typ)
• RoHS3 Compliant
• REACH Unaffected
• Moisture Sensitivity Level: 1 (Unlimited)

1SMA12AT3G Applications

The 1SMA12AT3G is ideal for various applications where transient voltage suppression is required. Some specific use cases include:

1. Consumer Electronics: Protecting sensitive components in smartphones, tablets, and other portable devices from voltage spikes.
2. Industrial Automation: Ensuring reliable operation of control systems and sensors in harsh environments.
3. Automotive Electronics: Safeguarding critical systems in vehicles, such as infotainment, lighting, and engine control modules.
4. Telecommunications: Preventing damage to communication equipment from voltage transients in the power supply or signal lines.

Conclusion of 1SMA12AT3G

The 1SMA12AT3G from Littelfuse Inc. is a reliable and efficient Zener TVS Diode for general-purpose applications. Its unique combination of high peak pulse current, low capacitance, and robust voltage ratings make it an excellent choice for protecting sensitive electronic components from transient voltage events. While the 1SMA12AT3G is now considered obsolete, its performance benefits and versatility in various applications make it a valuable option for legacy systems and projects requiring a reliable transient voltage suppressor.