1N4742APE3/TR8

Product Overview

Use

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

Characteristics

Zener voltage: 12V
Power dissipation: 1.3W
Package type: DO-41
Operating temperature range: -65°C to +200°C
Forward voltage: 1.2V
Reverse current: 5µA

Package

The 1N4742APE3/TR8 is typically available in a DO-41 package.

Essence

This Zener diode provides stable and precise voltage regulation in various electronic applications.

Packaging/Quantity

It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

Zener voltage: 12V
Power dissipation: 1.3W
Maximum forward voltage: 1.2V
Maximum reverse current: 5µA
Operating temperature range: -65°C to +200°C
Package type: DO-41

Detailed Pin Configuration

The 1N4742APE3/TR8 has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

Precise voltage regulation at 12V
Protection against voltage spikes and surges
Low reverse current for minimal power loss

Advantages

Stable and accurate voltage regulation
Compact and easy to integrate into circuits
Wide operating temperature range

Disadvantages

Limited power dissipation capability compared to higher wattage diodes
Higher reverse current compared to some other Zener diodes

Working Principles

The 1N4742APE3/TR8 operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse biased, providing a stable reference voltage for the circuit.

Detailed Application Field Plans

This Zener diode is widely used in: - Voltage regulators - Power supplies - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4742APE3/TR8 include: - 1N4732A - BZX55C12 - 1N5242B

In conclusion, the 1N4742APE3/TR8 Zener diode offers precise voltage regulation and protection in a compact package, making it suitable for various electronic applications.

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技術ソリューションにおける 1N4742APE3/TR8 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 1N4742APE3/TR8?
- The 1N4742APE3/TR8 is a Zener diode with a voltage rating of 12V and a power rating of 1W.
What are the typical applications of the 1N4742APE3/TR8?
- It is commonly used for voltage regulation, voltage reference, and overvoltage protection in various electronic circuits.
What is the maximum current that can flow through the 1N4742APE3/TR8?
- The maximum current for the 1N4742APE3/TR8 is typically around 100mA.
How does the 1N4742APE3/TR8 provide voltage regulation?
- The Zener diode operates in the reverse breakdown region, maintaining a nearly constant voltage across its terminals, thus regulating the voltage.
Can the 1N4742APE3/TR8 be used for voltage clamping?
- Yes, it can be used to limit the voltage across a load by diverting excess current when the voltage exceeds the Zener voltage.
What are the key specifications to consider when using the 1N4742APE3/TR8 in a circuit?
- Key specifications include the Zener voltage (12V), power dissipation (1W), and maximum current.
Is the 1N4742APE3/TR8 polarized?
- Yes, the 1N4742APE3/TR8 is a polarized device and must be connected with the correct polarity in a circuit.
What are some common alternatives to the 1N4742APE3/TR8?
- Alternatives include other Zener diodes with similar voltage and power ratings, such as the 1N4742A or BZX55C12.
Can the 1N4742APE3/TR8 be used in temperature-sensitive applications?
- Yes, but it's important to consider the temperature coefficient of the Zener voltage and how it may affect the application.
Are there any specific layout considerations when using the 1N4742APE3/TR8 on a PCB?
- It's important to ensure proper heat dissipation and minimize thermal stress on the diode, especially if it's operating close to its maximum power rating.