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1N4749APE3/TR12
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1N4749APE3/TR12

Product Overview

Category

The 1N4749APE3/TR12 belongs to the category of semiconductor devices, specifically Zener diodes.

Use

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

Characteristics

  • Zener voltage: 24V
  • Power dissipation: 1.0W
  • Package type: DO-41
  • Operating temperature range: -65°C to +200°C
  • Packaging/quantity: Tape and reel, 5000 units per reel

Specifications

  • Zener voltage: 24V
  • Power dissipation: 1.0W
  • Maximum forward voltage: 1.2V
  • Reverse current: 5μA
  • Temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4749APE3/TR12 has two pins, anode (A) and cathode (K), which are identified by the polarity marking on the device.

Functional Features

  • Precise voltage regulation
  • Overvoltage protection
  • Stable operation over a wide temperature range

Advantages

  • High reliability
  • Compact size
  • Low cost

Disadvantages

  • Limited power dissipation capability
  • Sensitivity to temperature variations

Working Principles

The 1N4749APE3/TR12 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

This Zener diode is widely used in: - Voltage regulators - Power supplies - Overvoltage protection circuits

Detailed and Complete Alternative Models

  • 1N4733A
  • 1N4734A
  • 1N4735A
  • 1N4736A
  • 1N4737A

In conclusion, the 1N4749APE3/TR12 Zener diode offers precise voltage regulation and overvoltage protection, making it an essential component in various electronic applications. Its compact size and low cost make it a popular choice despite its limitations in power dissipation and sensitivity to temperature changes. With a wide range of alternative models available, it provides flexibility in design and application.

技術ソリューションにおける 1N4749APE3/TR12 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。

  1. What is the 1N4749APE3/TR12?

    • The 1N4749APE3/TR12 is a Zener diode with a voltage rating of 24V and a power rating of 1W.

  2. How does the 1N4749APE3/TR12 work?

    • The 1N4749APE3/TR12 operates as a voltage regulator by maintaining a constant output voltage across its terminals.

  3. What are the typical applications of the 1N4749APE3/TR12?

    • It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.

  4. What is the maximum current the 1N4749APE3/TR12 can handle?

    • The 1N4749APE3/TR12 has a maximum current rating of 50mA.

  5. What are the key specifications of the 1N4749APE3/TR12?

    • The key specifications include a voltage rating of 24V, a power rating of 1W, and a tolerance of ±5%.

  6. Can the 1N4749APE3/TR12 be used for reverse polarity protection?

    • Yes, it can be used for reverse polarity protection due to its Zener breakdown characteristics.

  7. What are the temperature considerations for the 1N4749APE3/TR12?

    • The 1N4749APE3/TR12 has an operating temperature range typically from -65°C to +200°C.

  8. Is the 1N4749APE3/TR12 suitable for automotive applications?

    • Yes, it is suitable for automotive applications where voltage regulation and protection are required.

  9. Can multiple 1N4749APE3/TR12 diodes be connected in series or parallel?

    • Yes, multiple diodes can be connected in series to achieve higher voltage ratings or in parallel to increase current handling capacity.

  10. Are there any alternatives to the 1N4749APE3/TR12 for similar applications?

    • Yes, other Zener diodes with comparable voltage and power ratings, such as the 1N4749A or BZX55C24, can be considered as alternatives.