DFLZ18-TP Discrete Semiconductor Products

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The DFLZ18-TP is a single-package Zener diode from Diodes Incorporated. It has a Cathode-Gate Anode configuration and a wide variety of applications and functions. This device can be used for protection against transients, as a regenerative braking application, or for any number of other applications.

Core Features

The DFLZ18-TP has the following core features:

• Wide Zener Voltage Range- this device has a wide operating temperature range of -55°C to +150°C.
• High Power Dissipation- this device can handle up to 200mW of power dissipation.
• Surface Mount Technology- this device is fully compliant with surface mount technology and is suitable for use in high density applications.
• Integrated Glass Passivation- this device features an integrated glass passivation which extends the life and reliability of the device.

Applications

The DFLZ18-TP has several applications. These include:

• Electronic Load Switches- this device can be used as an electronic load switch to provide either a normally-open or a normally-closed switching function.
• Regenerative Braking- this device can be used in a regenerative braking application as a diode to control the power transfer to a load.
• Transient Protection- this device can be used as a shunt regulator or as a protective element to protect against transients.
• Backup Power- this device can be used as a backup power supply for emergency applications.

Working Principle

The working principle of the DFLZ18-TP diode is quite simple. The device works by creating a voltage gradient across the Anode and Cathode to prevent current flow between them. When a voltage or current is applied to the Anode, the voltage at the Cathode rises and a Zener diode action is created.

The DFLZ18-TP has a Cathode-to-Gate anode configuration, which allows the device to provide an output voltage that is higher than the input voltage. This type of configuration is often referred to as a "folded" or "staggered" configuration, due to the way the anode appears on the schematic. In this configuration, the anode can be connected to either the positive or negative voltage source, allowing the diode to be used in either a positive or negative voltage application.

When the voltage across the Anode-Cathode junction reaches a certain threshold, the current is allowed to flow through the device. This current flow is known as the "Zener breakdown", and it is responsible for the majority of the diode\'s functionality. The Zener breakdown also helps to protect the device from reverse bias currents, as the current will not be allowed to flow until it reaches the breakdown voltage of the device.

Conclusion

The DFLZ18-TP diode from Diodes Incorporated is a single-package Zener diode with a wide variety of applications and functions. It is suitable for use in high-density applications, as it features surface mount technology and an integrated glass passivation layer. It also features a wide Zener voltage range and can handle up to 200mW of power dissipation.

The working principle of the DFLZ18-TP diode is based on the creation of a voltage gradient across the Anode and Cathode. This voltage gradient allows for the breakdown of the junction, which is responsible for the majority of the diode\'s functionality. The device can be used in either a positive or negative voltage application, making it extremely versatile and useful in a wide variety of applications.

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