SB560-E3/54 Discrete Semiconductor Products

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The SB560-E3/54 is a zener diode series of the E3/54 family manufactured by Vishay. Rectifiers are electronic components that are specifically designed to allow the flow of current in one direction whilst only allowing or "permitting" very low levels of current to pass through in the other direction if at all. This single zener diode series is also a controlled avalanche diode and is ideal for use in applications where a high degree of protection against voltage reversal is required. This diode series is typically used in applications such as DC or AC power rail systems, DC-to-DC converters, PSU\'s and voltage regulation circuits.

The SB560-E3/54 offers an incredible amount of reverse surge protection up to 400A and includes a clamping capability of up to 14V, which enables it to be used in a wide range of power applications. The series is available in an industry leading surface mounted SOD-128 package and it is potted in what is known as an "avionics grade" epoxy resin to ensure an extremely high level of physical stability in the operating temperature range. The SB560-E3/54 offers excellent protection against destructive reverse power surges and latch up and is often used in industrial and automotive applications.

The primary function of the SB560-E3/54 is to provide a controlled avalanche voltage breakdown. This is achieved by combining a zener diode with a controlled avalanche region, which facilitates higher current applications with a very low level of emission. The controlled avalanche region permits a predetermined amount of current to pass through the diode and on the reverse voltage side this current triggers a voltage drop due to the reverse avalanche effect and the voltage holds within a specific tolerance across the diode. This is the only feature of this diode series that connects it to the other devices in the E3/54 family as all the other features of the SB560-E3/54 are singularly designed for providing reverse surge protection and clamping capability.

This zener diode series is designed to withstand voltage transients up to 14V for 1 second and its 400A reverse surge rating is one of the highest in the industry. This ensures that the SB560-E3/54 is one of the most reliable and efficient diode series in terms of manufacturing costs and expected lifetime performance. The diode works on a power level of 600V and offers a reverse stand off voltage rating of 17V. It\'s highly accurate thermally accelerated aging characteristics make it ideal for short circuit, over voltage and thermal overload protection.

The SB560-E3/54 is also a highly durable and low cost solution for high power avionics applications, including applications such as stabilizing and switching power supplies, inverters and voltage regulation circuits. It\'s reverse surge protection capability ensures that any peak over voltages are handled with the highest levels of efficiency. This diode series also offers a low forward voltage drop, making it ideal for use in a range of power management applications.

Overall, the SB560-E3/54 is an incredibly reliable and efficient zener diode series for use in applications that require reverse surge protection and a high level of stability under voltage transients and over voltages. It\'s highly accurate thermally accelerated aging characteristic make it ideal for use in circuits that require high current and low noise levels. The diode is suitable for use in industrial applications, automotive applications and avionics applications, with its 400 A reverse surge rating and its ability to provide an incredibly accurate voltage breakdown making it a highly reliable and cost effective solution for a range of power management applications.

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