3KASMC11HE3/9AT

Current - Peak Pulse (10/1000µs):	149A
Base Part Number:	3KASMC
Supplier Device Package:	DO-214AB (SMCJ)
Package / Case:	DO-214AB, SMC
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 185°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	3000W (3kW)
Series:	Automotive, AEC-Q101, PAR®
Voltage - Clamping (Max) @ Ipp:	20.1V
Voltage - Breakdown (Min):	12.2V
Voltage - Reverse Standoff (Typ):	11V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes: 3KASMC11HE3/9AT Application Field and Working Principle

TVS - Diodes, also known as Transient Voltage Suppression Diodes, are designed to protect sensitive semiconductors such as transistors, MOSFETs, and ICs from electrical spikes or pulses. The diodes absorb the energy instead of letting it continue and damage the component. This type of diode is also known as a "crowbar diode" or "avalanche diode" because of their ability to fire at a pre-set voltage to stop the voltage from rising further.The 3KASMC11HE3/9AT diode is a type of TVS (Transient Voltage Suppression) diode that has been specifically designed to protect sensitive microelectronic components in a variety of harsh environments. This particular diode is ideally suited for applications such as telecommunications equipment, automotive electronics, and general electronics with medium power requirements. It has a low-capacitance design that allows for higher spike current ratings, and it is able to absorb and dissipate 50 V peak, 50 W per pulse, 75 A.The working principle of the 3KASMC11HE3/9AT diode is relatively simple and it functions similarly to any other TVS diode. When subjected to a higher than normal voltage, the diode will clamp the voltage to a safe level and keep it from damaging sensitive components. The voltage clamping effect is achieved by the zener effect of the diode\'s built in junction. As the applied voltage rises beyond the diode\'s avalanche or zener breakover voltage, the diode begins to turn on and start conducting. As the current buildup continues, the diode reaches its maximum ratings and will start to open, thus limiting the applied voltage.The main advantage of the 3KASMC11HE3/9AT diode is its low capacitance design which allows it to absorb large amounts of energy in high-voltages applications. The diode also has a fast response time (30 ns) and is able to protect circuits in a wide range of operating temperatures.In conclusion, the 3KASMC11HE3/9AT diode is a very effective tool for protecting sensitive components from electrical spikes or pulses. Its low capacitance design allows for higher spike current ratings, and it can absorb and dissipate 50 V peak, 50 W per pulse, 75 A. The diode also has a fast response time and a broad range of operating temperatures, making it a great choice for applications in both industrial and commercial applications.

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