1N5240TA

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The 1N5240TA is a single, high power temperature compensated, voltage-controlled Zener diode. This diode is used for voltage regulation in high power applications and can handle up to 1.3 watts of power. It is constructed in a hermetically sealed glass envelope and can operate over a wide temperature range of -55°C to 150°C. The 1N5240TA has a breakdown voltage range of 5.1V to 7.5V and a minimum limit of 5V. It also features an adjustable voltage range of 0.6V to 6V with a thermal resistance of 40 to 100K/W. The peak non-repetitive surge reverse current is up to 20 A and the peak non-repetitive surge current is up to 10 A.
The 1N5240TA has two application fields: one is used in industries such as telecommunications, computer, and consumer electronics, while the other is used in military and aerospace applications. For the industrial field, the 1N5240TA is used to regulate voltage so that the output remains steady and is not affected by changes in the load or the temperature. In the military and aerospace fields, the 1N5240TA can be used to resist voltage spikes due to noise or other interference in the circuit.
The working principle of the 1N5240TA is that of a conventional Zener diode. When a reverse voltage is applied to the diode, electrons from the n-type drift region move towards the p-type base and are scattered into holes which are created by the valance band of the p-type material. This causes a large current to flow through the depletion region and a voltage to build up. When the voltage reaches a certain threshold the current stops flowing and the breakdown voltage is reached. This characteristic allows the 1N5240TA to be used for voltage regulation.

When used for voltage regulation in high power applications, the 1N5240TA is connected in series with a load and a power supply, as shown in the diagram. The power supply is set to the desired output voltage and when the load changes, the current across the 1N5240TA will change accordingly. The 1N5240TA will then adjust the voltage across the load to maintain the desired output voltage. The 1N5240TA also compensates for changes in temperature by increasing the breakdown voltage under increased temperature, thereby allowing for greater stability in the output voltage.
Overall, the 1N5240TA is a high power, temperature compensated, voltage-controlled Zener diode which is best suited for use in high power applications. It has two main application fields: industries such as telecommunications, computer, and consumer electronics, and military and aerospace. Its working principle is that of a conventional Zener diode and it is used to regulate voltage so that the output remains steady and is not affected by changes in the load or the temperature.

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