1SMB7.5A BK Circuit Protection

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TVS – diodes protect circuits from transient overvoltages caused by lightning, electrostatic discharge (ESD), and other sources. The 1SMB7.5A BK TVS diode is one of the products used to protect sensitive semiconductors from various types of overvoltages. It is designed for a variety of applications, including USB ports, portable electronics, and consumer and industrial motor control products.

1SMB7.5A BK Application Field:
The 1SMB7.5A BK TVS diode is designed for general purpose applications with an operating voltage of 7.5 volts. It is especially suitable for USB ports, portable electronics, consumer and industrial motor control products, and a variety of aerospace and military applications. Its RoHS compliant package and glass passivated chip construction ensure robustness in challenging environments.
Its wide frequency range and low clamping voltage make it also suitable for low-voltage systems.
The diode has a surge capability of 1.5A (1.2/50µs) that offers protection from multiple types of transient overvoltages, which makes it an excellent choice for applications requiring long service life.

1SMB7.5A BK Working Principle:
The working principle of the 1SMB7.5A BK TVS diode is based on a Zener diode, which is designed to conduct current in both directions. When the diode is exposed to a transient overvoltage, it creates a junction breakdown within the diode, allowing the excess voltage to pass through the diode to ground. This protects the device or circuit that it is connected to by providing a voltage limiting and clamping effect. This surge protection also helps to protect the device or circuit from ESD, which can cause permanent damage to the components of the device or circuit.

When the transient overvoltage has passed, the 1SMB7.5A BK diode is designed to reset itself and return to its non-conductive state. This resetting feature ensures the continued protection from future transient overvoltages. The diode also provides a low-voltage reverse breakdown of 7.5 volts to prevent the longer term exposure of the device or circuit to excessive voltages.

The 1SMB7.5A BK TVS diode is a versatile product, suitable for a variety of applications. Its reliable surge protection and low-voltage reverse breakdown make it an ideal choice for protecting sensitive systems from damage caused by transient overvoltages.

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