1N4742PE3/TR12 - Semiconductor Diode

Basic Information Overview

Category: Semiconductor Diode
Use: Voltage regulation and rectification
Characteristics: Zener diode, low leakage current, high reliability
Package: DO-41 (DO-204AL), axial leaded
Essence: Regulates voltage by allowing current to flow in reverse direction when a certain voltage is reached
Packaging/Quantity: Typically available in reels or bulk packaging

Specifications

Voltage: 12V
Power Dissipation: 1.0W
Tolerance: ±5%
Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4742PE3/TR12 has two leads with the following pin configuration: - Anode (A) - Positive terminal - Cathode (K) - Negative terminal

Functional Features

Zener breakdown voltage of 12V
Low reverse leakage current
High surge capability
Fast response time

Advantages and Disadvantages

Advantages

Precise voltage regulation
High reliability
Wide operating temperature range

Disadvantages

Limited power dissipation capability
Sensitive to temperature variations

Working Principles

The 1N4742PE3/TR12 operates based on the principle of the Zener effect. When the voltage across the diode reaches its breakdown voltage (12V in this case), it starts conducting in the reverse direction, effectively regulating the voltage.

Detailed Application Field Plans

This diode is commonly used in various electronic circuits for voltage regulation and protection. Some specific applications include: - Voltage reference circuits - Overvoltage protection - Voltage clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4742PE3/TR12 include: - 1N4742A - BZX55C12 - 1N5242B - 1N753A

This diverse range of alternatives provides flexibility in choosing a suitable component based on specific application requirements.

This content provides a comprehensive overview of the 1N4742PE3/TR12 semiconductor diode, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.

技術ソリューションにおける 1N4742PE3/TR12 の適用に関連する 10 件の一般的な質問と回答をリストします。

What is the 1N4742PE3/TR12?
- The 1N4742PE3/TR12 is a Zener diode with a voltage rating of 12V and a power rating of 1W.
What are the typical applications of the 1N4742PE3/TR12?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that can flow through the 1N4742PE3/TR12?
- The maximum current for reliable operation is typically around 50-100 mA.
How does the 1N4742PE3/TR12 provide voltage regulation?
- It operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.
Can the 1N4742PE3/TR12 be used for overvoltage protection?
- Yes, it can be used to limit the voltage across a circuit to its breakdown voltage, protecting sensitive components.
What are the key specifications to consider when using the 1N4742PE3/TR12 in a design?
- Voltage rating, power dissipation, and maximum current are critical parameters to consider.
Are there any temperature considerations when using the 1N4742PE3/TR12?
- Yes, the operating and storage temperature ranges should be taken into account to ensure proper performance.
Can the 1N4742PE3/TR12 be used in automotive applications?
- Yes, it can be used in automotive electronics for voltage regulation and protection.
What are the alternatives to the 1N4742PE3/TR12 for similar applications?
- Other Zener diodes with different voltage ratings and power dissipation capabilities can be considered as alternatives.
How can I ensure the reliability of the 1N4742PE3/TR12 in my technical solution?
- Following the manufacturer's datasheet recommendations for operating conditions and proper circuit design will help ensure reliability.