SMBJ11ATR Circuit Protection

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The SMBJ11ATR is a uni-directional surface mounted transient voltage suppressor (TVS) diode. It can be used for high-speed AC line protection and can help to protect sensitive electronic devices from excessively high transients.

Features

• Low leakage current
• Operates up to 11A peak for 1/1000th s.
• Designed for surface mounting
• Designed for unidirectional applications
• Operates at heights up to 25,000 feet.

Applications

The SMBJ11ATR can be used in a variety of applications that require increased protection of sensitive electronic components from surge transients. Examples of suitable applications include motor control circuits, logic circuits, industrial equipment, switch mode power supplies, and other high-speed AC line transients. It is suitable for unidirectional protection circuits.

Working Principle

The SMBJ11ATR works by absorbing the power of any high transient voltage surges by presenting a low impedance path. The device is designed to operate in the breakdown region of the transient voltage. When the voltage rises to the breakdown voltage, it begins to conduct heavily and absorbs the excess voltage energy, thereby clamping the voltage and preventing damage to the device or circuit.

The device is also designed to be non-destructive in its operation--once the voltage transient has passed, the device will return to its original off state and be ready to protect against future transients. The SMBJ11ATR is designed for use in environments with higher than normal humidity or temperatures, allowing for a reliable long-term performance.

Conclusion

The SMBJ11ATR is a uni-directional surface mounted transient voltage suppressor (TVS) diode. It can be used for high-speed AC line protection and provides a low-impedance path for high-voltage transients. It works by absorbing the power of any high transient voltage surges, begins to conduct heavily and absorbs the excess voltage energy, preventing damage to the device or circuit. It is designed for use in environments with higher than normal humidity or temperatures, allowing for a reliable long-term performance.

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