P4KE12CA-G Circuit Protection

Voltage - Clamping (Max) @ Ipp:	16.7V
Supplier Device Package:	DO-41
Package / Case:	DO-204AL, DO-41, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	400W
Current - Peak Pulse (10/1000µs):	23.95A
Series:	--
Voltage - Breakdown (Min):	11.4V
Voltage - Reverse Standoff (Typ):	10.2V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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The P4KE12CA-G is a high-power unidirectional Transient Voltage Suppressor (TVS) diode, designed to protect components from electrostatic discharge (ESD), inductive switching, electrical transients, and lightning. This device offers superior protection in both low and high capacitance discharge environments.The P4KE12CA-G components feature dual differential avalanche breakdowns, low clamping voltage and metal oxide construction. The device is compliant to IEC61000-4-2, and meets MIL810G standards for many general environments. This diode works by absorbing the voltage and current spikes caused by ESD, inductive switching, and lightning transients. The built-in internal resistor and capacitance provides additional electrical enhancements that help protect the device.The P4KE12CA-G is available in a variety of packages, which include axial leads, SOT-23 and two small-outline transistors. Each package includes two terminals; the anode and cathode. The anode is the more positive terminal, and the cathode is the negative terminal. The device is also able to operate within a wide range of temperatures; -55°C to 150°C.The P4KE12CA-G can be utilized in a range of applications. These include high-energy voltage circuit protection, automotive systems, handheld electronics, consumer products and more. The diode can also provide protection for low-power based lines such as USB, hot plugging, and PCI express. The P4KE12CA-G is also ideal for signal and data lines since it has a relatively low clamping voltage and fast response time.The P4KE12CA-G is designed to have a fast response time and low clamping voltage, meaning it can react quickly to high-energy discharges while still providing the necessary protection. When integrated in a circuit, the device efficiently dissipates energy spikes. This prevents their harmful effects from damaging the peripherals connected to the board.To understand the device working principle, one has to consider its operating mode. The device is triggered when exposed to a high voltage spike current exceeding a certain threshold. Once the current surge threshold is exceeded, a fast avalanche breakdown occurs at the junction, producing an electric arc that limits the voltage levels dissipating energy and preventing the potential damage of the board components.The P4KE12CA-G device series is a reliable and efficient way to protect against ESD, inductive switching, electrical transients, and lightning related surges. Its design includes a built-in resistance and capacitance that further enhances the device’s electrical performance. It is also compliant with major industry standards, including IEC61000-4-2 and MIL810G. With its fast response time and low clamping voltage, this device series is suitable for many applications, including high-energy voltage circuit protection, automotive systems, handheld electronics, consumer products, USB, hot plugging, and PCI express.

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