1N4743PE3/TR8 - Semiconductor Diode

Basic Information Overview

Category: Semiconductor Diode
Use: Voltage Regulation
Characteristics: Zener diode, low reverse leakage, precise voltage regulation
Package: DO-41
Essence: Regulates voltage by maintaining a constant output voltage across its terminals
Packaging/Quantity: Typically available in reels of 1000 units

Specifications

Voltage: 13V
Power Dissipation: 1W
Tolerance: ±5%
Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4743PE3/TR8 is a two-terminal device with an anode and a cathode. The anode is connected to the positive terminal of the circuit, while the cathode is connected to the negative terminal.

Functional Features

Provides stable voltage regulation
Protects circuits from overvoltage
Low reverse leakage current

Advantages and Disadvantages

Advantages

Precise voltage regulation
Compact size
Low cost

Disadvantages

Limited power dissipation capability
Tolerance may not be suitable for some applications

Working Principles

The 1N4743PE3/TR8 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse biased. This allows it to regulate the voltage in a circuit, ensuring a stable output.

Detailed Application Field Plans

The 1N4743PE3/TR8 is commonly used in various electronic devices such as: - Voltage regulators - Power supplies - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4743PE3/TR8 include: - 1N4733A: 5.1V Zener diode - 1N4744A: 15V Zener diode - BZX55C13: 13V Zener diode

In conclusion, the 1N4743PE3/TR8 is a crucial component in electronic circuits, providing stable voltage regulation and overvoltage protection. Its compact size and precise characteristics make it a popular choice in various applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4743PE3/TR8 v technických řešeních

What is the 1N4743PE3/TR8 diode used for?
- The 1N4743PE3/TR8 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4743PE3/TR8 diode?
- The 1N4743PE3/TR8 has a nominal voltage of 13V, making it suitable for applications requiring stable voltage references.
How does the 1N4743PE3/TR8 diode regulate voltage?
- The 1N4743PE3/TR8 operates in the reverse breakdown region, maintaining a constant voltage drop across its terminals to regulate the output voltage.
Can the 1N4743PE3/TR8 be used for overvoltage protection?
- Yes, the 1N4743PE3/TR8 can be employed to protect sensitive components from overvoltage conditions by shunting excess voltage to ground.
What are the typical applications of the 1N4743PE3/TR8 diode?
- Common applications include voltage regulators, voltage references, and overvoltage protection in various electronic circuits.
What is the maximum power dissipation of the 1N4743PE3/TR8 diode?
- The 1N4743PE3/TR8 has a maximum power dissipation of 1W, allowing it to handle moderate power levels in circuit designs.
Is the 1N4743PE3/TR8 suitable for automotive electronics?
- Yes, the 1N4743PE3/TR8 can be used in automotive applications where stable voltage regulation and overvoltage protection are required.
What is the temperature coefficient of the 1N4743PE3/TR8 diode?
- The temperature coefficient is typically around -2mV/°C, indicating a relatively stable voltage reference over a range of temperatures.
Can multiple 1N4743PE3/TR8 diodes be connected in series or parallel?
- Yes, multiple diodes can be connected in series to achieve higher voltage ratings or in parallel to increase current-handling capability.
Are there any specific layout considerations when using the 1N4743PE3/TR8 in a PCB design?
- It's important to ensure proper heat sinking and adequate trace widths to handle the current passing through the diode, especially in high-power applications.