SMBJ16CAHE3/5B

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TVS (Transient-Voltage-Suppressing) diodes fulfil the important role of defending sensitive equipment from voltage surges due to EMI (Electro-Magnetic-Interference) and ESD (Electro-Static-Discharge). SMBJ16CAHE3/5B is a commonly-used, unidirectional (operating in a single direction) transient voltage suppressor (TVS) diode that blocks overvoltage beyond a specified voltage, allowing only a safe voltage level to pass. It is typically used for high-precision electronics in various applications.

SMBJ16CAHE3/5B Applications The SMBJ16CAHE3/5B is used in numerous applications due to its low capacitance and high surge capability. This includes protecting circuits from surges caused by lightning, power supply transients, ESD, and EMI. It is commonly used in automotive systems, motor control systems, communications and computer systems, consumer electronics, industrial control systems, audio, video, and telecommunication systems.

SMBJ16CAHE3/5B Working Principle The working principle of SMBJ16CAHE3/5B is quite simple- when a voltage higher than the specified voltage level is applied to its anode, then the current-limiting junction of the TVS diode will conduct, preventing any overvoltage from getting passed. The phenomenon is similar to a diode being used as a switch, by selectively allowing or blocking a current path.

SMBJ16CAHE3/5B is known for its fast-acting response for protecting a circuit against surges. When the peak voltage reaches above the peak voltage rating of the diode, it conducts heavily for a few nanoseconds. These fast-acting responses allow the circuit to be protected against high-speed, high-voltage transients.

The typical breakdown voltage of SMBJ16CAHE3/5B is 16 V while its most maximum peak pulse power is 500 W, allowing it to absorb surge currents of up to 5500 A. With its high power rating and fast response, SMBJ16CAHE3/5B is well-positioned to protect against surges caused by lightning, automotive transients, EMI, and ESD.

In most cases, the SMBJ16CAHE3/5B can be used in conjunction with a thin-film-melt-on-top process of mounting to a printed circuit board (PCB). This method allows for a better connection and increases the overall stability of the diode. It is also more reliable in the long term due to its superior insulation, heat transfer, and solderability.

The SMBJ16CAHE3/5B also features an innovative design that allows for improved thermal performance. This includes a wide lead-frame integrated with tiny spacers between each diode to provide a balanced connection with the PCB. This design optimizes the heat-dissipation ability of the device, making it ideal for high-power applications.

Conclusion SMBJ16CAHE3/5B is a fast-acting TVS diode that blocks overvoltages higher than a certain level, allowing only a safe voltage to pass. It is typically used for high-precision electronics in various applications, ranging from automotive systems to consumer electronics. With its fast response, wide application field, and innovative design, this diode is a great way to protect circuits against surges caused by lightning, ESD, and EMI.

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