3EZ19D5/TR12

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The 3EZ19D5/TR12 is a single zener diode, specially designed for use in harsh operating environments. It is a type of diode that can be used to protect circuits from overvoltage transients by regulating voltage variations to a stable level. The diode consists of an N-region between two P-regions, and is terminated in two leads. The 3EZ19D5/TR12 has a breakdown voltage of 19V, with a max dc forward current of 5A, a max power dissipation of 250 mW, an operating temperature range of -55°C to +125°C, and a peak pulse power of 1.5 KW. Due to its small size, the 3EZ19D5/TR12 is well suited for applications where space is at a premium.

3EZ19D5/TR12 Application Field: The 3EZ19D5/TR12 Zener diode is commonly used in voltage regulation and transient voltage protection circuits. It is also used in automotive, industrial and consumer electronics circuits. It is particularly well suited for applications where space is at a premium such as LCD displays, computer motherboards, handheld devices, automotive power systems, and solar cells.The high power capability of the 3EZ19D5/TR12 makes it useful in high power supply systems, providing voltage regulation and transient protection in a small package.

Working Principle: The 3EZ19D5/TR12 Zener diode works by allowing a current to flow in only one direction at a time, to a predetermined voltage. When a voltage exceeds the specified breakdown voltage of the diode, the diode is said to be in “breakdown”. At this point, the current will reverse direction and travel through the diode to ground. This process limits the voltage across the component, providing voltage regulation and protection from overvoltage transients. Since the diode can only pass current in one direction, it is known as a “one-way” component.

The 3EZ19D5/TR12 is a versatile and reliable component that offers excellent protection from voltage transients. It is designed to be used in harsh environments and can withstand extreme temperatures. The diode is commonly used in automotive, industrial and consumer electronics applications, providing reliable and effective voltage regulation and protection.

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