Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

1PMT5951E3/TR7 application field and working principle

The 1PMT5951E3/TR7 is a single zener type diode created by Panasonic. This diode can be used to regulate voltage levels and is able to handle a wide range of current values. It is designed primarily for use in consumer and industrial applications, such as AC and DC motors, LCD TVs, HVAC systems and automotive electronics.

The 1PMT5951E3/TR7 is a two-terminal device consisting of a P-type layer of silicon, an N-type layer of silicon, and two electrodes. The two layers of silicon semiconductor materials form a PN junction. When the diode is forward biased (i.e. the positive terminal is placed at the P-layer and the negative terminal is placed at the N-layer), electric current is able to pass through the diode. This can be seen from the internal schematic diagram of the device:

When the applied voltage is greater than the breakdown voltage (Vz) of the diode (typically 5.1 Volts for the 1PMT5951E3/TR7), the electric current passing through the diode increases sharply and the diode begins to act as a short circuit. This is known as a "zener breakdown". The breakdown voltage in this case will remain consistent, regardless of the size of the current flowing through the diode.

The 1PMT5951E3/TR7 can be used to protect electrical circuits from voltage spikes or fluctuations by regulating the voltage levels applied to the circuit. This is known as "clamping". When placed in series with a circuit, the 1PMT5951E3/TR7 will become forward-biased and allow current to pass through, up to a certain level. If the voltage applied to the circuit exceeds the breakdown voltage, the diode will begin to allow current to pass through, thus limiting the voltage applied to the circuit.

The 1PMT5951E3/TR7 can also be used in voltage regulation circuits, where a stable voltage level is required. By placing the diode in series with a resistor and a reference voltage, a voltage regulator circuit can be created. This will allow a steady voltage to be maintained, regardless of any changes in the input voltage.

The 1PMT5951E3/TR7 is a low cost, efficient, and reliable way to protect electrical circuits from voltage fluctuation, and to ensure a steady voltage supply. While it is designed primarily for consumer and industrial applications, it can be adapted to many other uses, such as portable electronic devices, automotive electronics, and HVAC systems.

The specific data is subject to PDF, and the above content is for reference