MP5KE70CA

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TVS - Diodes serve an important purpose in electronics, helping to protect sensitive components and circuits from damage due to electrostatic discharge (ESD). The MP5KE70CA is a unidirectional transient voltage suppression (TVS) diode, designed to protect equipment from voltage transients generated by lightning, power contact, electrostatic discharge (ESD) and electrical fast transients (EFT).

The MP5KE70CA is designed with a high peak power capability to protect components like power MOSFETs, IGBTs, JFETs, bipolar transistors and double polysilicon gate CMOS transistors. It is an axial leaded form of the D2PAK-6 package, making it suitable for use in automated assembly processes. The MP5KE70CA is widely used in applications such as automotive electronics, telecommunications, digital cameras, displays and power supplies.

The MP5KE70CA has a working voltage maximum of 70 volts and a power dissipation maximum of 400 watts at 10 microseconds. The maximum clamping voltage is a function of the voltage applied to the device and is approximately 125 volts with no external series resistors. Its clamping voltage is relatively low, making it suitable for low input voltage protection applications. It also has a very low leakage current, less than 1 microamp at rated voltage, making it an ideal choice for low power consumption applications.

The operating principle of the MP5KE70CA is based on avalanche breakdown. When a voltage transient is applied to the diode, the voltage across it increases, causing the junction to break down. This breakdown allows current to flow from the cathode to the anode, thus limiting the voltage across the device. The device then quickly recovers from the surge, allowing it to return to its non-conductive state.

The components of the MP5KE70CA are made from silicon, a semi-conductive material with very good electrical properties. Silicon is very resistant to heat, which allows the device to withstand high levels of transient current pulses. The device also has a low reverse leakage current, making it ideal for low power protection applications.

In conclusion, the MP5KE70CA is a unidirectional transient voltage suppression (TVS) diode, designed to protect equipment from voltage transients. It is designed with a high peak power capability to protect components from damage due to electrostatic discharge (ESD), lightning, and other sources of electrical transient. Its low leakage current and low clamping voltage make it suitable for low voltage applications, while its silicon construction makes it highly resistant to heat and other damage.

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