SMZG3802B-E3/52

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The SMZG3802B-E3/52 is a single Zener diode with a range of applications from commercial to industrial. It is a three-terminal component comprised of a junction between two dissimilar semiconductors – a P-type and an N-type – connected in parallel. Its characteristic feature is a reversed breakdown voltage that is lower than the forward bias voltage.

These components are widely used for voltage regulation, voltage stabilizing, voltage balancing and voltage clamping. Small signals can also be passed through the Zener diode.

The rated reverse voltage of the SMZG3802B-E3/52 is 58 volts, with a maximum reverse power dissipation of 420 mW and a reverse leakage current of 5 µA at its specified reverse voltage. This diode can be used in low-level voltage regulation, thermal sensing and similar applications. It is RoHS compliant and halogen-free.

In its most common application, the SMZG3802B-E3/52 Zener diode works as a voltage regulator. When the forward voltage reaches the Zener voltage, the diode starts to conduct. This causes the voltage to remain steady at a specific value, even in the presence of fluctuations at the input voltage.

When used as a voltage regulator, the SMZG3802B-E3/52 can help prevent the output voltage from rising too high or falling too low. It can also be used to provide temperature protection or to protect against transient overvoltages or electrical noise. This Zener diode is also often used as a temperature sensor, by measuring the increased resistance with increased temperature.

In all its applications, the SMZG3802B-E3/52 must be connected in the correct direction, with the diode’s anode connected directly to the positive bias voltage. When the reverse bias voltage reaches the Zener voltage, the Zener diode can increase its current flow through its junction. This, in turn, reduces the amount of current available to the other components in the circuit.

The SMZG3802B-E3/52 Zener diode is also suitable for high-frequency applications, as it can help reduce ringing and provide protection against transients. With a reverse current of 5 µA at the rated reverse voltage, the diode can be used in low-level voltage regulation and thermal sensing.

In summary, the SMZG3802B-E3/52 Zener diode is a three-terminal component with a reverse breakdown voltage that is lower than the forward bias voltage. It is used primarily as a voltage regulator, but is also suitable for temperature protection, electrical noise reduction and transient protection. The diode can be used in low-level regulation and high-frequency applications and is RoHS compliant and halogen-free.

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