MA1.5KE51CA

MA1.5KE51CA Application Field and Working Principle

MA1.5KE51CA is a specific type of TVS-Diodes (Transient Voltage Suppressors). It is a fast switching, bi-directional ESD protection device, that is used for protecting electronic equipment against voltage transients. It is a single-channel protection device with both ESD and lightning protection, designed to be used in a range of applications in order to provide reliable protection to sensitive devices. This device is suitable for use in automotive electronics, computer systems, cell phones, appliances, and other consumer electronics.

When an ESD (electrostatic discharge) event occurs, the MA1.5KE51CA device detects a voltage above the breakdown voltage and then turns on. This rapidly triggers the device to handle the surge current, up to the specified maximum surge current. The device then clamps the voltage across its two terminals to its clamp voltage.

In the case of a lightning surge, the MA1.5KE51CA device will detect a voltage above the specified breakdown voltage and, as with an ESD event, will rapidly switch on to handle the surge current. This time, however, the device will not clamp the voltage across its two terminals. Rather, it will regulate the voltage to its clamp voltage until the surge current has subsided, but still provide the required protection of sensitive devices.

When the surge current has subsided, the MA1.5KE51CA device will turn off and return to its normal (OFF) voltage. This process ensures a fast response to transients, and also provides reliable and effective protection of sensitive electronic components.

MA1.5KE51CA devices are typically used in automotive applications due to their ability to handle transients up to 41V maximum, making them ideal for protecting sensitive electronic components in aircraft and vehicles. Other applications include cell phone, computer systems, networking, power, telecommunications, UPS systems, datacom, digital signage, and home appliances.

Overall, MA1.5KE51CA devices provide a fast, reliable, and effective way to protect sensitive electronic components from both ESD and lightning induced transients. They are designed to provide the highest level of reliability and protection, and can be used in a variety of applications.