1.5KE11CAHR0G

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The 1.5KE11CATR0G component is a unidirectional transient voltage suppressor (TVS) diode, designed to protect sensitive electrical equipment from electrical transients generated by inductive loads, such as those found in communication, automotive and computing systems. It is used in a wide range of voltage protection applications, including overvoltage protection and voltage splitting. The diode is composed of a large P-channel field-effect transistor (FET) and an integrated protection element.

Application Field

1.5KE11CATR0G is capable of quickly limiting voltage to its safe operation level should large overvoltage transients occur. This makes the diode suitable for automotive, communications, computing, and industrial applications that require voltage transient protection. The device can also protect secondary side protection circuits.

Its high surge current capability makes the 1.5KE11CATR0G a perfect choice for high peak transient conditions, such as those created by inductive loads, and for applications where a steep turn-on profile is required. The device also features a low operating voltage and fast response time, making it suitable for applications that require both overvoltage and transients protection.

Working Principle

When a supply voltage exceeds the voltage clamping level of the diode, the device\'s FET turns on, connecting the positive supply voltage to the P-channel FET\'s drain, thereby limiting the voltage at the output. If the transient event persists, the FET limits the output voltage until the supply voltage drops below the voltage clamping level.

The 1.5KE11CATR0G diode provides surge protection up to 11.5A and typically has a voltage clamping level of 17V. This device operates by clamping the voltage at the output pin to the voltage clamping level in order to limit the transient voltage spike and protect downstream components. Due to the fast response time and low voltage operating point, the diode is ideally suited for low-voltage applications.

In addition, the diode is designed with ESD protection features to protect against electrostatic discharge events. Its design also allows the device to be used in 3-rail overvoltage (OV) protectors. The diode is compliant to IEC 61000-4-2 (ESD) contact discharge tests.

Conclusion

The 1.5KE11CATR0G is an ideal component for applications requiring both overvoltage and transient voltage protection. With its high surge current capability, fast response time, and low voltage operation, this diode can provide both protection and flexibility. In addition, the component meets the ESD protection standards of the IEC 61000-4-2 contact discharge test, making it a reliable choice for protecting against transient events.

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