MXLSMLJ12CAE3 Circuit Protection

Voltage - Clamping (Max) @ Ipp:	19.9V
Supplier Device Package:	DO-214AB
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	3000W (3kW)
Current - Peak Pulse (10/1000µs):	150.6A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	13.3V
Voltage - Reverse Standoff (Typ):	12V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - DiodesTransient voltage suppression (TVS) diodes are a type of semiconductor device specifically designed to protect sensitive electronics from power surges and overvoltage transients. The unique design of the TVS diode enables it to absorb high electrical energy and clamp the transient voltage to a safe level in a very short time. Thus, these devices provide robust protection for sensitive electronics.The MXLSMLJ12CAE3 is an ultra-low capacitance bi-directional TVS diode, featuring 1200W peak pulse power dissipation at 8/20μs. The device has a low reverse leakage current and low incremental surge resistance with a 6.5pF maximum capacitance. This diode is compliant with IEC 61000-4-5 level 4, and it is ideal for use in high speed communication systems such as Gigabit Ethernet, USB2.0, and HDMI 1.3 applications.The MXLSMLJ12CAE3 is a low-capacitance, bidirectional, Transient Voltage Suppressor (TVS) diode. It features an ultra-wide operating voltage (up to 37V) with a minimum breakdown voltage of 6.2V (at IEC level 4 of 8/20μs). The peak pulse power dissipation rating of the device is 1200 Watts, and its low-capacitance value of 6.5pF allows for high-speed and low-emission operations. The MXLSMLJ12CAE3 has a low reverse leakage current and a low incremental surge resistance. It also complies with the international IEC 61000-4-5 level 4 standard.ApplicationsThe MXLSMLJ12CAE3 is an ideal device for protection against transients and voltage surges in high-speed communication systems such as Gigabit Ethernet, USB2.0, and HDMI 1.3 applications. It is also suitable for protecting ECUs, load switches, and other components from overvoltage transients in automotive applications. The device can also be widely used in consumer electronics, PoE applications, smart home appliances, power supplies, etc.Working Principle The unique design of the TVS diode enables it to suppress power surges and overvoltage transients. When a high-voltage transient is applied to its structure, the diode begins to conduct current. During this period, the excess voltage is diverted across the diode which creates a voltage drop across the parasitic elements of the diode structure. This voltage drop helps to reduce the clamping voltage level of the TVS diode. Simultaneously, the energy stored in the parasitic components leads to a reduction in junction capacitance leading to a higher power dissipation. As a result, the device dissipates the energy of the transient in a very short time, thus providing robust protection for sensitive electronics.

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