SMP26A-M3/85A Circuit Protection

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The SMP26A-M3/85A, belonging to the TVS (Transient Voltage Suppression) - Diodes category of components, is a component widely used for protecting electrical and electronic circuitry from high-voltage spikes. The component has a wide variety of applications for providing electrical over-voltage protection and for limiting the emitted electromagnetic interference (EMI). Its main features are an ultra-low capacitance of 1.3 pF maximum, a fast clamping response of 15ps (15 pico-seconds), and a 1500 Watts peak power handling capability.

The SMP26A-M3/85A is a 3-lead unidirectional TVS (Transient Voltage Suppression) - Diode. It is designed in a flat, industry-standard Vishay SOT-143 package, and it is small in size, making it easy to use in a variety of applications. The peak pulse current for the component is 8.6A, and the peak pulse power is 1500 Watts. Its main voltage protection range is from 6 Volt to 36 Volt in a unidirectional configuration, and its peak pulse-clamping voltage ranges from 43.2 Volt to 68.4 Volt.

The SMP26A-M3/85A provides superb electrical over-voltage protection for various electronic and electrical applications. It can be used for protecting smartphone telecommunication systems, memory modules, portable navigation systems, and data line circuits from over-voltage. It also has a wide range of EMI protection applications, such as for preventing interference in high-frequency PCBs, optical link receiver modules, and data arrays.

The working principle of the SMP26A-M3/85A component is the same as that of other TVS - Diodes components. It is a unidirectional component, meaning that it can only conduct a current in one direction, and the component will automatically suppress a voltage above its peak pulse-clamping voltage. This is done by a process known as “avalanche breakdown”, in which the zener diode is overdriven and its conduction increases exponentially.

When a high-voltage transient exceeding the peak clamping voltage of the SMP26A-M3/85A occurs, the zener diode will avalanche breakdown, and it will quickly clamp the voltage to its peak clamping voltage. The TVS - Diode will then conduct a current through it in order to dissipate the excess energy before it can cause any damage to the components it is protecting. This is done extremely fast, and it provides superior protection for your components.

The SMP26A-M3/85A is a superior component for providing electrical and EMI protection for many commercial and industrial applications. It is an excellent choice for electrical over-voltage and EMI protection for a variety applications, such as in smartphones, data line circuits, and optical link receivers. Its ultra-low capacitance, fast clamping response, and high power handling capability make it a great choice for many different applications.

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