BZV55-C30,135

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A Zener diode is a special type of diode designed to operate in the reverse breakdown region. It is widely used to provide a known and stable reference voltage in applications such as voltage regulation, power supply circuits, and voltage clamping. Among many types of Zener diodes, BZV55-C30,135 is categorized as a single Zener diode.

The BZV55-C30,135 is a surface mount (SMD) device with a handheld type casing. It has an SMT package size of 0603 (1.6mm x 0.8mm) and a breakdown voltage of 30 V ± 5%. Its maximum power rating of 135 mW at a maximum allowable temperature of 70°C is suitable for a wide range of applications. The device also exhibits a low leakage current (I_Z) of 100 nA (at 1 V), temperature coefficient of 94 mV/°C, and junction capacitance (C_J) of 6.5 pF.

The primary application of the BZV55-C30,135 is voltage regulation. A constant reference voltage value is a very important factor in applications like battery operated systems, and this is where Zener diodes come in handy. They can be used as a voltage reference in conjunction with a series resistor to provide a stable reference voltage. The limiting resistor determines the maximum current that can flow through the Zener, which prevents the device from overheating under excessive current. In this voltage regulator circuit, the Zener diode allows all the current to flow through it until it reaches the breakdown voltage, and then remains at that voltage level as the current increases. This circuit can be used to produce a stable output voltage by ensuring that the voltage across the diode remains constant.

Another application of the BZV55-C30,135 is in the form of an over-voltage protection circuit. This circuit is designed to clamp an excessive voltage to a predetermined level, thereby reducing the stress applied to the other components in the circuit. This can be achieved by connecting the Zener diode in parallel with the load and connecting a source resistor in series with the diode. When the input voltage exceeds the breakdown voltage of the diode, the device will begin to conduct and limit the voltage across the load. This will protect the other components from damage and regulate the input voltage.

The BZV55-C30,135 can also be used in voltage clamping applications. This is a simple and effective circuit for limiting the peak voltage at the output of a signal source. The Zener diode is connected in parallel with the signal source and a series resistor. During normal operation, the current only flows through the signal source, but when the output voltage exceeds the breakdown voltage of the diode, the device will become conductive and limit the voltage to the breakdown voltage. This will prevent any further increase in the output voltage. Voltage clamping can also be used to protect against electrostatic discharge (ESD).

In conclusion, the BZV55-C30,135 is a single Zener diode of great use in many applications due to its breakdown voltage and low leakage current. It is used mainly in voltage regulation, over-voltage protection, and voltage clamping applications. The device’s small SMT package size and its good performance characteristics make it an ideal choice for a wide range of applications.

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