1N4756PE3/TR8 - Semiconductor Diode

Basic Information Overview

Category: Semiconductor Diode
Use: Voltage Regulation
Characteristics: Zener diode, low leakage current, high reliability
Package: DO-41
Essence: Regulating voltage in electronic circuits
Packaging/Quantity: Tape & Reel, 5000 units per reel

Specifications

Voltage: 47V
Power Dissipation: 1.0W
Zener Impedance: 5Ω
Operating Temperature Range: -65°C to +200°C

Detailed Pin Configuration

The 1N4756PE3/TR8 follows the standard DO-41 package pin configuration with the anode connected to one end and the cathode to the other.

Functional Features

Provides a constant voltage output when reverse biased
Protects sensitive components from voltage spikes
Low operating impedance

Advantages and Disadvantages

Advantages: - Precise voltage regulation - High reliability - Low leakage current

Disadvantages: - Limited power dissipation capability - Sensitive to temperature variations

Working Principles

The 1N4756PE3/TR8 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased, allowing it to regulate voltage in electronic circuits.

Detailed Application Field Plans

Voltage regulation in power supplies
Overvoltage protection in electronic circuits
Voltage reference in precision instruments

Detailed and Complete Alternative Models

1N4728A - 3.3V
1N4733A - 5.1V
1N4742A - 12V
1N4764A - 33V

This comprehensive entry provides detailed information about the 1N4756PE3/TR8 semiconductor diode, covering its basic overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

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What is the 1N4756PE3/TR8 diode used for?
- The 1N4756PE3/TR8 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4756PE3/TR8 diode?
- The 1N4756PE3/TR8 has a nominal Zener voltage of 47V, making it suitable for applications requiring a stable 47V reference voltage.
How does the 1N4756PE3/TR8 diode provide voltage regulation?
- The 1N4756PE3/TR8 operates in the reverse breakdown region, maintaining a constant voltage drop across its terminals, effectively regulating the output voltage.
Can the 1N4756PE3/TR8 be used for overvoltage protection?
- Yes, the 1N4756PE3/TR8 can be employed to protect sensitive components from overvoltage conditions by shunting excess voltage to ground.
What are the typical applications of the 1N4756PE3/TR8 diode?
- Typical applications include voltage regulators, voltage references, surge suppressors, and overvoltage protection circuits.
What is the power dissipation rating of the 1N4756PE3/TR8 diode?
- The 1N4756PE3/TR8 has a power dissipation rating of 1.0W, allowing it to handle moderate power levels.
Is the 1N4756PE3/TR8 suitable for high-temperature environments?
- Yes, the 1N4756PE3/TR8 is designed to operate reliably at elevated temperatures, making it suitable for industrial and automotive applications.
What is the maximum current that the 1N4756PE3/TR8 can handle?
- The 1N4756PE3/TR8 can handle a maximum continuous current of 40mA, making it suitable for low-power applications.
Does the 1N4756PE3/TR8 require external circuitry for proper operation?
- In most cases, the 1N4756PE3/TR8 requires external series resistance to limit the current flowing through it and ensure proper regulation.
Are there any precautions to consider when using the 1N4756PE3/TR8 in a circuit?
- It's important to ensure that the maximum power dissipation and current ratings are not exceeded, and to observe proper polarity when connecting the diode in a circuit.