MAP5KE170CA

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TVS, or Transient Voltage Suppressors, are small electrical components designed to protect electronic circuits from transient voltages. They are most commonly used in automotive applications, but are also used in a variety of consumer electronics, such as computers and home appliances. TVS diodes are used to protect electrical circuits by clamping the transient voltage to a safe level. The MAP5KE170CA is an example of a TVS device from Diodes Incorporated that is commonly used in automotive applications.

The MAP5KE170CA is a unidirectional TVS diode specifically designed for overvoltage and overcurrent protection from voltage transients. It is designed to protect data lines and low voltage circuits from voltage transients that can occur when wiring is subjected to unexpected voltage spikes or during an ESD event (electrostatic discharge). The MAP5KE170CA features a peak pulse current rating of 170A and an ESD overvoltage protection up to 8kV.

The MAP5KE170CA is usually connected directly between the signal line and ground for protection. The device is designed to have a breakdown voltage equal to or lower than its nominal voltage rating. This means that when a voltage transient greater than the devices\' breakdown voltage is applied to the line, the device will turn on, providing a low resistance path and clamping the line voltage down to the device\'s breakdown voltage. This prevents the voltage from exceeding the protected lines\' threshold voltage, preventing damage to the circuit or data loss.

In order to properly protect the circuit from voltage transients, designers must consider the maximum peak voltage of the transient when selecting the device. If the transient voltage is higher than the breakdown voltage of the device, it will not provide effective protection. In addition, the device must also have a low resting voltage to prevent any false triggering during nominal operation of the circuit. The MAP5KE170CA features a breakdown voltage of up to 27V and a resting voltage as low as <1V.

The MAP5KE170CA is designed specifically for automotive applications, and is also qualified by AEC-Q101. This qualification means that the device has undergone rigorous testing to ensure it will perform reliably in the harsh environment found in a car or truck. The device also features an operating temperature range of -55C to +155C, making it suitable for a wide range of automotive applications.

The MAP5KE170CA is a small, versatile, and reliable TVS diode that offers protection from voltage transients in automotive applications. It is designed to clamp high voltage transients down to safe levels, and its low resting voltage prevents false triggering during normal operation. With its AEC-Q101 qualification and wide operating temperature range, the MAP5KE170CA is a good choice for automotive protection applications.

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