SMBJ75CA-13-F

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TVS (Transient Voltage Suppression) diodes are designed to protect sensitive semiconductor devices from voltage transients induced by lightning and other rapid power changes. These devices are used to protect circuits in a wide variety of applications including automotive systems, industrial equipment, and medical equipment. The SMBJ75CA-13-F is one of the most popular diode TVS devices on the market. Here we will take a look at the SMBJ75CA-13-F application field and working principle.

The main application of SMBJ75CA-13-F is in the telecommunications industry and other data signaling applications. This device is designed to suppress transients that can occur during full-duplex transmissions, such as Ethernet links and high-speed backplane communications. It also provides surge protection for electronic equipment sensitive to ESD (electro-static discharge) and transients during fault events. Other applications include automotive computers, power supplies, and consumer electronics.

In addition to telecommunications applications, the SMBJ75CA-13-F can also be used in other areas such as industrial equipment in production lines, medical equipment, and military systems. It is a popular choice for protecting ICs (integrated circuits) from voltage transients that can result from EMI (electromagnetic interference) and surge events.

The SMBJ75CA-13-F is part of a series of devices developed by Littelfuse and has been designed to offer good clamping performance and fast response times to a broad range of transient voltage levels. It has an on-state voltage of 13 volts and is capable of providing up to 75 amperes of peak pulse current. Moreover, its fast response time allows it to suppress transients as low as 1 nanosecond in duration.

The working principle of the SMBJ75CA-13-F is based on the avalanche effect. Transient voltages are clamped to the breakdown voltage of the device, which is typically around 13 volts. When the voltage reaches the breakdown voltage, the diode will begin to conduct and any further increase in voltage will be clamped at the breakdown voltage. This will limit the peak voltage seen by the components and circuits that are connected to the diode. In addition, the device also provides an increase in capacitance during surge events, which helps to reduce the rise and fall times of over-voltage conditions.

The SMBJ75CA-13-F is a popular choice for protecting sensitive electronic equipment from voltage spikes and transients. It is used in a wide variety of applications, including the telecommunications industry, where it provides surge protection for critical equipment and data signals. It is also used in industrial and consumer electronics, as well as in automotive and medical applications. Its fast response time and excellent clamping performance make the SMBJ75CA-13-F an excellent choice for protecting ICs and sensitive circuits from voltage transients.

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