1N4745PE3/TR8

Product Overview

Use

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

Characteristics

Zener voltage: 16V
Power dissipation: 1.0W
Package type: DO-41
Operating temperature range: -65°C to +200°C
Tolerance: ±5%

Packaging/Quantity

The 1N4745PE3/TR8 is typically available in reels or bulk packaging, with quantities varying based on supplier and customer requirements.

Specifications

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

Detailed Pin Configuration

The 1N4745PE3/TR8 has a standard DO-41 package with two leads. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.

Functional Features

Voltage regulation: The Zener diode maintains a constant voltage across its terminals, providing stability in electronic circuits.
Overvoltage protection: It prevents excessive voltage from damaging sensitive components by shunting excess current.

Advantages

Precise voltage regulation
Compact size
Cost-effective solution for voltage regulation and protection

Disadvantages

Limited power dissipation capability
Susceptible to thermal runaway if not properly heat-sinked

Working Principles

The 1N4745PE3/TR8 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

The 1N4745PE3/TR8 is widely used in various applications such as: - Voltage regulators in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting

Detailed and Complete Alternative Models

Some alternative models to the 1N4745PE3/TR8 include: - 1N4739A: Zener voltage of 9.1V - 1N4746A: Zener voltage of 18V - BZX55C15: Zener voltage of 15V

In conclusion, the 1N4745PE3/TR8 Zener diode offers precise voltage regulation and overvoltage protection in a compact package, making it suitable for a wide range of electronic applications.

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技術ソリューションにおける 1N4745PE3/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 1N4745PE3/TR8 diode used for?
- The 1N4745PE3/TR8 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4745PE3/TR8 diode?
- The 1N4745PE3/TR8 has a nominal Zener voltage of 16V, making it suitable for applications requiring a stable 16V reference voltage.
How does the 1N4745PE3/TR8 diode regulate voltage?
- The 1N4745PE3/TR8 operates in the reverse breakdown region, maintaining a constant voltage drop across its terminals, effectively regulating the output voltage.
Can the 1N4745PE3/TR8 be used for overvoltage protection?
- Yes, the 1N4745PE3/TR8 can be employed to protect sensitive components from overvoltage conditions by shunting excess voltage to ground.
What are the typical applications of the 1N4745PE3/TR8 diode?
- Common applications include voltage regulators, voltage references, surge suppressors, and precision voltage clamping circuits.
What is the power dissipation rating of the 1N4745PE3/TR8 diode?
- The 1N4745PE3/TR8 has a maximum power dissipation of 1.0W, allowing it to handle moderate power levels in circuit designs.
Is the 1N4745PE3/TR8 suitable for use in automotive electronics?
- Yes, the 1N4745PE3/TR8 is often utilized in automotive systems for voltage regulation and transient protection due to its robust characteristics.
Does the 1N4745PE3/TR8 require a heatsink in high-power applications?
- In high-power applications approaching the diode's maximum power dissipation, a heatsink may be necessary to ensure proper thermal management.
What are the temperature specifications for the 1N4745PE3/TR8?
- The 1N4745PE3/TR8 typically operates within a temperature range of -65°C to +150°C, making it suitable for a wide range of environments.
Can multiple 1N4745PE3/TR8 diodes be connected in series or parallel?
- Yes, multiple 1N4745PE3/TR8 diodes can be connected in series to increase the total breakdown voltage or in parallel to share current in higher power applications.