SMBJ48A-TR Circuit Protection

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The SMBJ48A-TR is a type of Transient Voltage Suppressor (TVS) diode that offers superior protection against electrical pulses and high voltage transients that can potentially damage equipment or shut systems down. TVS diodes are a type of unidirectional diode specifically designed to protect sensitive electronic components from transients. It is important to have the proper TVS diode model as no two will provide the same level of protection.

The SMBJ48A-TR is a unidirectional diode that operates in its reverse breakdown region. It has a reverse stand-off voltage of 48 volts (V). This means that when the voltage goes below 48V the diode will break down and allow current to flow in the directed path. All other voltages and power spikes will not cause the diode to breakdown.

The SMBJ48A-TR’s Peak Pulse Power dissipation rating is 600 Watts (W). This means it can handle the surge voltage spikes up to 600 W without causing any permanent damage. There is an operating temperature range of -55°C to 150°C for the SMBJ48A-TR. Its capacitance rating is 100 picofarads (pF), which is used to absorb the extra energy created by high voltage transients.

The SMBJ48A-TR is most commonly used in telecommunications applications, or in any other application where electrical transients cannot be avoided. This diode works in the reverse breakdown region to protect sensitive electronic components from transients. The dissipation rating and the capacitance mean its able to handle the peak power spikes without any permanent damage. The operating temperature range ensures it will work correctly in a wide range of environments.

The SMBJ48A-TR is also suitable for use in AC line protection and RF protection. It provides excellent surge protection against low energy transients. The capacitance aids in dampening signals, which prevents oscillations from damaging the component. It also minimizes noise and line ringing, providing better overall performance. The reverse stand-off voltage is also important when selecting a TVS diode, as it must be greater than the maximum voltage input which the component may be exposed to.

The SMBJ48A-TR is a versatile diode that can be used in a range of applications. It is designed to provide superior surge protection and is ideal for telecommunications applications, AC line protection, or any other application where electrical transients are an issue. Its robust design and operating temperature range ensures it can be used in many different situations. Its peak pulse power dissipation rating and capacitance make it suitable for handling electrical transients and preventing oscillations from damaging sensitive components.

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