1N4743P/TR12

Product Overview

Use

It is commonly used for voltage regulation and voltage reference applications.

Characteristics

Zener voltage: 13V
Power dissipation: 1.0W
Package type: DO-41
Operating temperature range: -65°C to +200°C
Packaging/quantity: Tape & Reel, 5000 per reel

Essence

The essence of the 1N4743P/TR12 lies in its ability to maintain a constant voltage across its terminals when it is operated in its breakdown region.

Specifications

Zener voltage: 13V
Power dissipation: 1.0W
Maximum forward voltage: 1.2V
Reverse current: 5μA
Temperature coefficient: 5mV/°C

Detailed Pin Configuration

The 1N4743P/TR12 has two pins, anode and cathode, which are identified by the color band on the diode body.

Functional Features

Voltage regulation: The 1N4743P/TR12 maintains a nearly constant voltage across its terminals, making it suitable for voltage regulation applications.
Voltage reference: It can be used as a stable voltage reference in various electronic circuits.

Advantages

Precise voltage regulation
Compact package size
Wide operating temperature range

Disadvantages

Limited power dissipation capability
Sensitivity to temperature variations

Working Principles

The 1N4743P/TR12 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when it is reverse-biased and operated in its breakdown region.

Detailed Application Field Plans

The 1N4743P/TR12 finds extensive use in: - Voltage regulators - Voltage references - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4743P/TR12 include: - 1N4739A - BZX55C13 - 1N746A

This comprehensive entry provides detailed information about the 1N4743P/TR12, covering its basic overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4743P/TR12 v technických řešeních

What is the 1N4743P/TR12 diode used for?
- The 1N4743P/TR12 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4743P/TR12 diode?
- The 1N4743P/TR12 has a nominal voltage of 13V, making it suitable for applications requiring stable voltage references.
Can the 1N4743P/TR12 be used for reverse voltage protection?
- Yes, the 1N4743P/TR12 can be used to protect circuits from reverse voltage by allowing current to flow in the reverse direction when the voltage exceeds its breakdown voltage.
What are the typical applications of the 1N4743P/TR12 diode?
- Typical applications include voltage regulation, voltage reference, overvoltage protection, and as a component in power supplies and voltage clamping circuits.
What is the maximum power dissipation of the 1N4743P/TR12?
- The 1N4743P/TR12 has a maximum power dissipation of 1.0W, which makes it suitable for handling moderate power levels.
Is the 1N4743P/TR12 suitable for precision voltage regulation?
- While the 1N4743P/TR12 provides stable voltage references, it may not be suitable for precision voltage regulation due to its tolerance and temperature coefficient.
What is the temperature coefficient of the 1N4743P/TR12?
- The temperature coefficient of the 1N4743P/TR12 is typically around 5mV/°C, which should be considered in temperature-sensitive applications.
Can multiple 1N4743P/TR12 diodes be connected in series or parallel?
- Yes, multiple 1N4743P/TR12 diodes can be connected in series to increase the breakdown voltage or in parallel to increase the current-handling capability.
What is the typical forward voltage drop of the 1N4743P/TR12?
- The typical forward voltage drop of the 1N4743P/TR12 is around 1.2V at a specified test current.
Are there any special considerations for using the 1N4743P/TR12 in high-frequency applications?
- In high-frequency applications, the parasitic capacitance of the 1N4743P/TR12 should be taken into account to avoid unintended effects on circuit performance.