1N4745 G - Semiconductor Diode Encyclopedia Entry

Product Overview

Use

It is commonly used for voltage regulation and voltage reference applications.

Characteristics

Zener voltage: 16V
Power dissipation: 1.0W
Package type: DO-41
Operating temperature range: -65°C to +200°C
Storage temperature range: -65°C to +200°C

Packaging/Quantity

The 1N4745 G is typically available in bulk packaging with quantities ranging from hundreds to thousands per reel or box.

Specifications

Zener voltage: 16V
Power dissipation: 1.0W
Maximum forward voltage: 1.2V
Reverse current: 5μA
Temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4745 G has two pins, anode (A) and cathode (K), which are identified by the physical orientation of the diode within the DO-41 package.

Functional Features

The 1N4745 G exhibits stable and precise voltage regulation characteristics, making it suitable for various electronic circuits requiring a fixed voltage reference.

Advantages and Disadvantages

Advantages

Precise voltage regulation
Compact size
Wide operating temperature range

Disadvantages

Limited power dissipation capability
Sensitive to temperature variations

Working Principles

The 1N4745 G operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased at or above its specified breakdown voltage.

Detailed Application Field Plans

The 1N4745 G finds extensive use in: - Voltage regulators - Voltage references - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4745 G include: - 1N4739A (Zener voltage: 9.1V) - 1N4742A (Zener voltage: 12V) - 1N4748A (Zener voltage: 22V)

In conclusion, the 1N4745 G Zener diode serves as a reliable component for voltage regulation and reference applications, offering stable performance within a compact form factor. Its precise characteristics make it a preferred choice for various electronic circuits, despite its limitations in power dissipation and sensitivity to temperature changes.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4745 G v technických řešeních

What is the 1N4745 G diode used for?
- The 1N4745 G diode is commonly used as a voltage regulator in various technical solutions.
What is the maximum voltage rating of the 1N4745 G diode?
- The maximum voltage rating of the 1N4745 G diode is 16V.
What is the typical current rating for the 1N4745 G diode?
- The typical current rating for the 1N4745 G diode is 1W.
How does the 1N4745 G diode regulate voltage?
- The 1N4745 G diode regulates voltage by maintaining a constant voltage drop across its terminals, providing a stable output voltage.
Can the 1N4745 G diode be used in reverse polarity protection circuits?
- Yes, the 1N4745 G diode can be used in reverse polarity protection circuits to prevent damage from reverse voltage.
What are some common applications of the 1N4745 G diode?
- Common applications of the 1N4745 G diode include voltage regulation in power supplies, voltage reference circuits, and signal conditioning.
What is the temperature range for the 1N4745 G diode?
- The 1N4745 G diode typically operates within a temperature range of -65°C to +200°C.
Is the 1N4745 G diode suitable for automotive electronics applications?
- Yes, the 1N4745 G diode is suitable for automotive electronics applications due to its rugged construction and wide temperature range.
Can multiple 1N4745 G diodes be connected in series or parallel?
- Multiple 1N4745 G diodes can be connected in series to increase the breakdown voltage or in parallel to increase the current-handling capacity.
Are there any specific layout considerations when using the 1N4745 G diode in a PCB design?
- It's important to consider proper heat sinking and trace routing to minimize thermal issues when incorporating the 1N4745 G diode into a PCB design.