SMCJ22AHM6G

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TVS or Transient Voltage Suppressors are diodes used to protect sensitive components from electrical overstress caused by lower magnitude electrical transients. They are commonly used in data processing and communications systems to reduce damage from lightning strikes or power spikes, and can also be used to protect against Electrostatic Discharge (ESD). The SMCJ22AHM6G is a uni-directional TVS diode designed to protect circuits from voltage transients induced by lightning and other ESD events. The diode is designed to have excellent surge current capability and is rated to 6V operation with 2.2A peak pulse power.

The SMCJ22AHM6G is a high-performance, uni-directional, low-capacitance diode with enhanced ESD protection. It is designed for surface mount applications and is housed in a SOD-323 package. This package has a very short lead length, making it ideal for applications where space is at a premium. The diode has a maximum reverse stand-off voltage of 6V, with a breakdown voltage of 5.5V at 150μA. Maximum peak forward current is 2.2A, with a maximum reverse current of 15μA at 6V.

The SMCJ22AHM6G is designed to act as a clamp for overvoltages on data and signal lines. When the diode is connected in reverse polarity to the signal line, it will begin to conduct at the Stand-Off voltage Vd. When the voltage on the line increases beyond this voltage, the diode will start to conduct, by diverting the excess voltage to ground. As the voltage increases, the diode will continue to shunt the excess voltage away from the line, limiting the peak voltage to the breakdown voltage of the diode. This prevents any overvoltage from reaching the sensitive circuitry and causing damage.

The SMCJ22AHM6G can be used in a wide variety of applications, such as computers, telecom equipment, medical equipment, consumer electronics, motor control circuits, and automotive infotainment systems. It can be used to protect sensitive components from lightning-induced surges up to 6KV, as well as as ESD protection up to 15KV. It is particularly well suited for portable devices, due to its low power dissipation and small package.

In conclusion, the SMCJ22AHM6G is an excellent choice for applications that need robust protection from voltage transients. It offers excellent surge current capability and is suitable for use in space-constrained applications. In addition, its low capacitance means it is ideal for high-speed data lines where maximum signal integrity is essential.

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