1N4748APE3/TR8 - Semiconductor Diode

Basic Information Overview

Category: Semiconductor Diode
Use: Voltage regulation and rectification
Characteristics: Zener diode, low leakage current, high reliability
Package: DO-41
Essence: Regulating voltage in electronic circuits
Packaging/Quantity: Available in reels of 3000 units

Specifications

Voltage: 22V
Power Dissipation: 1.0W
Operating Temperature: -65°C to +200°C
Zener Impedance: 10Ω
Max Reverse Leakage Current: 5μA

Detailed Pin Configuration

The 1N4748APE3/TR8 has a standard DO-41 package with two leads. The cathode is marked with a band.

Functional Features

Provides stable voltage regulation
Protects sensitive components from overvoltage
Low reverse leakage current ensures minimal power loss

Advantages and Disadvantages

Advantages

High reliability
Precise voltage regulation
Wide operating temperature range

Disadvantages

Limited power dissipation capability
Sensitive to temperature variations

Working Principles

The 1N4748APE3/TR8 operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

This diode is commonly used in voltage regulator circuits, power supplies, and protection circuits to maintain a stable voltage level and protect sensitive components from overvoltage conditions.

Detailed and Complete Alternative Models

1N4733A: 5.1V Zener diode
1N4739A: 9.1V Zener diode
1N4752A: 33V Zener diode

This comprehensive entry provides detailed information about the 1N4748APE3/TR8 semiconductor diode, including 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 1N4748APE3/TR8 v technických řešeních

What is the 1N4748APE3/TR8?
- The 1N4748APE3/TR8 is a Zener diode with a voltage rating of 22V and a power rating of 1W.
What are the typical applications of the 1N4748APE3/TR8?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that the 1N4748APE3/TR8 can handle?
- The maximum current for the 1N4748APE3/TR8 is typically around 50mA.
How does the 1N4748APE3/TR8 provide voltage regulation?
- The Zener diode conducts in the reverse-biased direction when the voltage across it reaches its breakdown voltage, effectively regulating the voltage.
Can the 1N4748APE3/TR8 be used for overvoltage protection?
- Yes, it can be used to shunt excess voltage away from sensitive components in a circuit, protecting them from damage.
What are the key specifications to consider when using the 1N4748APE3/TR8 in a design?
- Key specifications include the breakdown voltage, power rating, and maximum current.
Is the 1N4748APE3/TR8 suitable for low-power applications?
- Yes, it is commonly used in low-power circuits due to its 1W power rating.
Are there any temperature considerations when using the 1N4748APE3/TR8?
- Yes, the temperature coefficient of the Zener voltage should be taken into account for temperature-sensitive applications.
Can multiple 1N4748APE3/TR8 diodes be connected in series or parallel?
- Yes, they can be connected in series to increase the breakdown voltage or in parallel to share the current load.
Where can I find detailed application notes for using the 1N4748APE3/TR8 in technical solutions?
- Detailed application notes can be found in the datasheet provided by the manufacturer or in technical reference materials related to Zener diode applications.