M1.5KE22CA

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The M1.5KE22CA is a Transient Voltage Suppressor (TVS) diode manufactured by ON Semiconductor. It is designed to protect electronic devices from the effects of transients or surges caused by electrostatic discharge (ESD) or during switching. It is commonly used in automotive applications, as well as other applications where electrical noise can affect sensitive electronics such as medical and telecom devices. The M1.5KE22CA is made from a Zener diode and not a unidirectional diode like the common Zener diode, which provides superior performance in protection against both ESD events and high-speed switching transients.

The M1.5KE22CA is a double sided TVS diode, meaning it has both an anode and a cathode. It is designed to be used in a bidirectional configuration, meaning it can conduct current in either direction. This allows it to protect both the high side and the low side of a circuit from transient voltages. The diode can dissipate up to 1.5 W of power and has a stand-off voltage of 22 V, meaning it will start conducting at a voltage above 22 V.

The M1.5KE22CA is designed to block and absorb transient voltages, which are short duration and high amplitude voltage spikes that exceed the voltage rating of the device. When a transient voltage is detected, the diode will quickly switch to a “low forward voltage” mode which dissipates the excess energy of the transient. This dissipated energy is converted to heat, which is then dissipated by the heat sink. The M1.5KE22CA is designed to be an EMI/RFI filter, which means it can reduce the level of noise on a system from both conducted and radiated noise sources.

The M1.5KE22CA can be used in various applications, such as in automotive systems for ESD protection, in industrial equipment for over-voltage protection and in medical implants and other systems for EMI/RFI filtering. It is also used in telecom systems and high-speed data networks for protection against transient voltages. The diode has a wide operating temperature range, meaning it can be used in a variety of environments.

In addition to its EMI/RFI filtering capabilities, the M1.5KE22CA also provides excellent surge suppression. This is because of the double sided TVS diode design, which provides bidirectional protection. When a transient voltage is detected, both anode and cathode will trigger, allowing the diode to absorb and dissipate the transient energy effectively. The device also provides protection against over-voltage conditions, which can destroy components in an electronic system.

The M1.5KE22CA can be a great addition to any system for its EMI/RFI filtering, surge suppression, and over-voltage protection capabilities. Its wide operating temperature range allows it to be used in a variety of applications. It can provide reliable protection for a wide range of sensitive electronic devices against the effects of transients and surges.

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