SMAJ43C-E3/5A

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TVS (Transient Voltage Suppressors) diode, also referred to as a Crowbar or protection diode, is a device that combine fast response and high surge rated characteristics into a single package. These devices are specifically designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. SMAJ43C-E3/5A is one of the TVS diode series from Panasonic Compact Sized Protection Components.

The applications of SMAJ43C-E3/5A include automotive, consumer electronics, communications equipment, home appliances, power supplies, personal computers, process control equipment, industrial systems, office equipment, etc. This series is designed for use as a transient voltage surge suppressor in the power switching circuits and to provide transient over voltage protection for power MOS transistors.

SMAJ43C-E3/5A works by clamping the voltage between its anode and cathode terminal to a less than 1.5V when the voltage exceeds its specified breakdown voltage. This effect will limit the incoming surge voltage to a specified level. In that way, the device offers an avalanche energy absorbing element that triggers at a precision threshold, diverting excessive transient energy away from sensitive components and circuits, therefore protecting them against system failures or damage.

The SMAJ43C-E3/5A TVS Diode is highly reliable with an industry standard small package size. With its low temperature coefficient it can be easily soldered and the device exhibits excellent clamping capability, providing superior protection to most sensitive components. Device specifications include a breakdown voltage of 5V (typically less than 11V) and a standoff voltage of 5V (typically less than 8.3V). It has an I/O capacitance of 20pF and a power dissipation of 500mW.

Overall, these features make SMAJ43C-E3/5A a highly efficient and cost-effective protection device for suppressing transient voltage surges across a wide range of applications. It not only offers superior protection to the sensitive circuits and components, but also provides reliable performance in harsh environmental conditions. It is therefore ideal for use in a variety of end-user electronic applications.

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