SS12P2L-M3/86A

Series:	eSMP®
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	20V
Current - Average Rectified (Io):	12A
Voltage - Forward (Vf) (Max) @ If:	560mV @ 12A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	1mA @ 20V
Capacitance @ Vr, F:	930pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	TO-277, 3-PowerDFN
Supplier Device Package:	TO-277A (SMPC)
Operating Temperature - Junction:	-55°C ~ 150°C
Base Part Number:	SS12P2

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SS12P2L-M3/86A Application Field and Working Principle

The SS12P2L-M3/86A is a single rectifier diode with a maximum forward current of 4.2A and a reverse voltage of 12 V. It is typically used for applications requiring low power rectification in fields such as automotive electronics, computer peripherals, and general consumer electronics.The SS12P2L-M3/86A is a high efficiency device that uses a planar structure to allow for higher current densities and reduce the risk of thermal runaway caused by heat build up. This increased efficiency is achieved partially by the use of a diffused N+ Buried Layer (NBL) to improve the conductivity of the semiconductor junction, allowing the device to handle the higher currents. It also employs the use of a silicon nitride passivation layer to ensure maximum reliability of the device.To understand the working principle of the SS12P2L-M3/86A, it is important to first understand the two most common types of rectification: AC to DC (direct current) and AC to AC (alternating current). The SS12P2L-M3/86A is a single rectifier diode, which means that it only rectifies AC to DC, not AC to AC.When rectifying the alternating current of an AC circuit, the SS12P2L-M3/86A creates a unidirectional current only allowing electrons to flow in one direction. This results in a DC flow of current that is unlike the AC waveform of the original signal, which would on average have positive and negative polarities. Therefore, the SS12P2L-M3/86A rectifier diode acts as a one-way door, allowing electricity of only one polarity to pass through it, while blocking the circulation of negative and positive electricity. The SS12P2L-M3/86A is built with an anode and cathode, connected by the NBL and passivation layer. When an AC voltage is applied, the positively and negatively charged particles, also known as ‘holes’ and ‘electrons’, move inwards to the junction of the diode. The silicon passivation layer acts as an insulator and stops the electrons from passing through the junction therefore making the diode act like a one-way door; instead, it allows the holes to pass through and accumulates the electrons on the other side. The NBL helps to block the flow of electrons in the opposite direction.The SS12P2L-M3/86A is designed to provide a superior level of protection from heat and thermal runaway caused by current leakage. It is often used in automotive, computer peripheral, and consumer electronics applications as it provides a high level of efficiency and stability by using the NBL and silicon nitride passivation layer. As single rectifier diode, the SS12P2L-M3/86A can be used to convert AC to DC in wide variety of operations, making it an ideal component for many applications.

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