1N4742CPE3/TR12

Product Overview

Use

It is commonly used for voltage regulation and protection in electronic circuits.

Characteristics

Zener voltage: 12V
Power dissipation: 1.0W
Package type: DO-41
Operating temperature range: -65°C to +200°C
Packaging/Quantity: Tape & Reel (TR) / 5000 per reel

Essence

The essence of the 1N4742CPE3/TR12 lies in its ability to maintain a constant voltage across its terminals, making it suitable for various electronic applications.

Specifications

Zener voltage: 12V
Power dissipation: 1.0W
Maximum forward voltage: 1.5V
Reverse current: 5.0μA
Temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4742CPE3/TR12 has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.

Functional Features

Voltage regulation: Maintains a constant voltage across its terminals.
Overvoltage protection: Safeguards electronic components from excessive voltage.

Advantages

Precise voltage regulation
Compact size
Wide operating temperature range

Disadvantages

Limited power dissipation capability
Susceptible to damage from excessive current or voltage spikes

Working Principles

The 1N4742CPE3/TR12 operates based on the Zener effect, where it maintains a nearly constant voltage drop across its terminals when reverse-biased.

Detailed Application Field Plans

The 1N4742CPE3/TR12 is widely used in: - Voltage regulators - Power supplies - Overvoltage protection circuits

Detailed and Complete Alternative Models

1N4732A
1N4744A
BZX55C12

This comprehensive entry provides detailed information about the 1N4742CPE3/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 1N4742CPE3/TR12 v technických řešeních

What is the 1N4742CPE3/TR12?
- The 1N4742CPE3/TR12 is a Zener diode with a voltage rating of 12V and a power rating of 1W.
What are the typical applications of the 1N4742CPE3/TR12?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that can flow through the 1N4742CPE3/TR12?
- The maximum current for reliable operation is typically around 50-60 mA.
How does the 1N4742CPE3/TR12 provide voltage regulation?
- It maintains a nearly constant voltage across its terminals when the current through it is within a specified range.
Can the 1N4742CPE3/TR12 be used for overvoltage protection?
- Yes, it can be used to limit the voltage across a circuit to a safe level by shunting excess current.
What are the key characteristics of the 1N4742CPE3/TR12?
- It has a sharp breakdown voltage, low dynamic impedance, and good temperature stability.
Is the 1N4742CPE3/TR12 suitable for precision voltage references?
- While it can be used as a basic voltage reference, it may not offer the precision required for some applications.
What are the important considerations when designing with the 1N4742CPE3/TR12?
- Thermal management, current limiting, and ensuring proper voltage ratings are crucial for reliable performance.
Can the 1N4742CPE3/TR12 be used in automotive electronics?
- Yes, it can be utilized in automotive applications where voltage regulation or overvoltage protection is needed.
Are there any alternatives to the 1N4742CPE3/TR12 for similar applications?
- Yes, other Zener diodes with different voltage and power ratings can be considered based on specific design requirements.