SMBJ90CAHE3/52

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TVS - Diodes

TVS (transient-voltage-suppressor) diodes are available in various suppressor ratings for protecting semiconductors, printed circuit boards, and wiring, as well as circuits from high-voltage transients. This type of diode is designed to temporarily divert overvoltages to ground, providing protection from voltage spikes that could otherwise damage sensitive electronic components. TVS diodes are usually placed between the protected circuit and ground, and they operate by clamping the voltage between the two points at a specified safe level.

The SMBJ90CAHE3/52 is a Unidirectional Transient Voltage Suppressor Diode for protecting circuits from high-voltage electrical events such as lightning, electrostatic discharge (ESD), or line surges. It is designed to divert overvoltage transients away from sensitive components that could be damaged by higher voltages. In addition, it can be used in applications that need fast and reliable protection from relatively narrow and short-duration voltage spikes.

The diode is a Bi-directional monolithic Transient Voltage Suppressor (TVS) Diode with an integrated avalanche diode. The bi-directional diode is used in applications when current flows in both directions. It consists of a reverse-biased zener diode and an avalanche diode connected in parallel and with the reverse breakdown voltage. It is capable of protecting sensitive electronic components from damage due to lightning, electrical overloads, inductive loads, or electrostatic discharge (ESD).

When exposed to a transient electrical event, the diode provides protection by clamping the voltage between its anode and cathode at a specified safe level. The SMBJ90CAHE3/52 is a unidirectional transient voltage suppressor diode with a breakdown voltage of 90 volts and a maximum voltage clamping of 52 volts. The device has an open reverse breakdown current of 6 amps and a clamping current of 4 amps. It has a pulse current rating of 8 amps and can protect up to 8 volts in the reverse direction.

The SMBJ90CAHE3/52 is typically used in applications that require fast and reliable protection from transient voltage surges. It is commonly used in GFCI protection, consumer appliances, power supplies, and automotive applications. The device also helps prevent false triggering of circuit breakers and doorbell buttons, as well as providing protection against ESD pulses.

The design of the SMBJ90CAHE3/52 allows it to dissipate high levels of power in a very short period of time. This ensures that it shorts any overvoltage transient spike to ground and prevents the voltage from damaging any fragile electrical components. The diode also has a low clamping voltage, ensuring that there is no false triggering of sensitive components.

In summary, the SMBJ90CAHE3/52 is a unidirectional transient voltage suppressor diode that is designed to protect circuits from high-voltage transients. It is typically used in GFCI protection, consumer appliances, power supplies, and automotive applications, and helps prevent false triggering of circuit breakers and doorbell buttons, as well as providing protection against ESD pulses. It is capable of dissipating high amounts of power in a short period of time and offers reliable protection from electrostatic discharge and other high-voltage transients.

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