ZMM5261B-7 Discrete Semiconductor Products

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ZMM5261B-7 is an important part of the diodes family. It belongs to the single Zener group, being a semiconductor in which the wire is thin and the doping is low. The Zener diode has two major functions. The first one is to reduce the voltage with its reverse characterized diode voltage regulator circuit and the second is to protect the circuit from overvoltage.

To understand the application fields of ZMM5261B-7, we have to look at the possible characteristics of this diode. It is known to have a minimum breakdown voltage of 5.2V and a maximum power dissipation of 500mW. It also has a maximum reverse current of 200mA, a maximum reverse recovery time of 5uS and a maximum low leakage current of 200nA at 25°C. All these characteristics make it suitable for various application fields such as power supplies, protection and stabilization of circuits, noise reduction and protection from overvoltage.

In terms of its working principle, ZMM5261B-7 is a two-terminal device that limits the maximum voltage applied across it by passing a reverse current when the voltage exceeds the insulation voltage rating. When the reverse voltage is applied, the pn junction in the diode breaks down allowing high current flow and reducing the voltage to a few tenths or hundreds of volts. This breakdown voltage is known as the “Zener Voltage”. The maximum current that the diode can handle for any fixed voltage depends on the value of the Zener Voltage.

Under normal circumstances, when the voltage is below the breakdown voltage the diode operates as a normal diode and the current passes through it without overvoltage protection. However, when the voltage exceeds the breakdown voltage of the diode, the current flowing through it is limited to a low level making the diode invaluable in applications where overvoltage protection is necessary.

Another thing to consider is the polarity of the diode. Since ZMM5261B-7 is a single Zener diode, it can only work in a single polarity. This means that if the wiring is reversed, the diode will not provide the required protection.

To summarize, ZMM5261B-7 is a single Zener diode belonging to the family of diodes. It is useful for its reverse characterized diode voltage regulator circuit and its ability to protect the circuit from overvoltage. It is particularly suitable for applications such as power supplies, protection and stabilization of circuits, noise reduction and protection from overvoltage due to its low breakdown voltage, maximum power dissipation, maximum reverse current, maximum reverse recovery time and maximum low leakage current. Its working principle is based on the fact that it limits the maximum voltage applied across it by passing a reverse current when the voltage exceeds the insulation voltage rating and its breakdown voltage is known as the “Zener Voltage”. Finally, ZMM5261B-7 requires a single polarity for its operation.

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