1N4757PE3/TR12 - Semiconductor Diode

Basic Information Overview

Category: Semiconductor Diode
Use: Voltage Regulation
Characteristics: Zener Diode, High Power Dissipation, Low Leakage Current
Package: DO-41
Essence: Regulates voltage by maintaining a constant output voltage across the load
Packaging/Quantity: Tape & Reel, 5000 units per reel

Specifications

Voltage - Zener (Nom) (Vz): 39V
Power - Max: 1.3W
Impedance (Max) (Zzt): 5 Ohm
Current - Reverse Leakage @ Vr: 5µA @ 31.2V
Operating Temperature: -65°C to 200°C

Detailed Pin Configuration

The 1N4757PE3/TR12 is a two-pin diode with anode and cathode terminals.

Functional Features

Voltage Regulation: Maintains a constant voltage across the load
Overvoltage Protection: Safeguards sensitive components from voltage spikes
Stability: Provides stable voltage reference for precision circuits

Advantages and Disadvantages

Advantages:
- Reliable voltage regulation
- High power dissipation capability
- Low leakage current
Disadvantages:
- Limited voltage range
- Sensitivity to temperature variations

Working Principles

The 1N4757PE3/TR12 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at or above its breakdown voltage.

Detailed Application Field Plans

Voltage Regulation: Used in power supplies to maintain a stable output voltage
Overvoltage Protection: Incorporated in electronic circuits to protect against voltage surges
Voltage Reference: Utilized in precision measurement and control systems

Detailed and Complete Alternative Models

1N4739A: 9.1V Zener Diode
1N4744A: 15V Zener Diode
1N4763A: 91V Zener Diode

This comprehensive entry provides detailed information about the 1N4757PE3/TR12 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 1N4757PE3/TR12 v technických řešeních

What is the 1N4757PE3/TR12?
- The 1N4757PE3/TR12 is a Zener diode with a voltage rating of 43V and a power rating of 1W.
What are the typical applications of the 1N4757PE3/TR12?
- It is commonly used in voltage regulation, overvoltage protection, and voltage reference circuits.
What is the maximum current that can flow through the 1N4757PE3/TR12?
- The maximum current for reliable operation is typically around 40-50 mA.
How does the 1N4757PE3/TR12 provide voltage regulation?
- It operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.
Can the 1N4757PE3/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 characteristics to consider when using the 1N4757PE3/TR12 in a design?
- Key characteristics include its voltage rating, power dissipation, and temperature coefficient.
What are the typical operating conditions for the 1N4757PE3/TR12?
- It is designed to operate within a specified temperature range and under certain current and voltage conditions.
Are there any specific layout considerations when incorporating the 1N4757PE3/TR12 into a circuit?
- It's important to minimize lead lengths and ensure proper heat sinking to maintain reliability and performance.
Can the 1N4757PE3/TR12 be used as a voltage reference in precision circuits?
- Yes, it can serve as a stable voltage reference due to its well-defined breakdown voltage.
What are some common alternatives to the 1N4757PE3/TR12 for similar applications?
- Alternatives include other Zener diodes with comparable voltage and power ratings, as well as voltage regulators with fixed output voltages.