1N4749APE3/TR8
Product Overview
Category
The 1N4749APE3/TR8 belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Voltage regulation capability
- Reverse breakdown voltage of 24V
- Low leakage current
- Small package size
Package
The 1N4749APE3/TR8 is typically available in a DO-41 package.
Essence
This Zener diode is essential for maintaining stable voltage levels in various electronic applications.
Packaging/Quantity
It is usually packaged in reels with quantities varying based on manufacturer specifications.
Specifications
- Reverse Breakdown Voltage: 24V
- Power Dissipation: 1.0W
- Zener Voltage Tolerance: ±5%
- Maximum Forward Voltage: 1.2V
- Operating Temperature Range: -65°C to +200°C
Detailed Pin Configuration
The 1N4749APE3/TR8 has two pins, with the cathode being shorter than the anode.
Functional Features
- Precise voltage regulation
- Protection against voltage spikes
- Low operating and leakage currents
Advantages and Disadvantages
Advantages
- Reliable voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Higher cost compared to standard diodes
Working Principles
The 1N4749APE3/TR8 operates based on the Zener effect, where it maintains a 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 - Signal clamping circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4749APE3/TR8 include: - 1N4733A - 1N4742A - BZX55C24
In conclusion, the 1N4749APE3/TR8 Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and protection against voltage spikes. Its compact size and wide operating temperature range make it suitable for various applications in the electronics industry.
[Word count: 320]
技術ソリューションにおける 1N4749APE3/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 1N4749APE3/TR8?
- The 1N4749APE3/TR8 is a Zener diode with a voltage rating of 24V and a power dissipation of 1W.
How does the 1N4749APE3/TR8 work?
- The 1N4749APE3/TR8 operates as a voltage regulator by maintaining a constant output voltage across its terminals, even when there are variations in input voltage or load current.
What are the typical applications of the 1N4749APE3/TR8?
- Common applications include voltage regulation, overvoltage protection, and voltage reference in various electronic circuits.
What is the maximum current that the 1N4749APE3/TR8 can handle?
- The 1N4749APE3/TR8 can handle a maximum current of 50mA.
How do I select the appropriate resistor for use with the 1N4749APE3/TR8?
- To limit the current flowing through the Zener diode, you can use Ohm's law to calculate the resistor value using the formula R = (V - Vz) / Iz, where V is the supply voltage, Vz is the Zener voltage, and Iz is the Zener current.
Can the 1N4749APE3/TR8 be used for voltage regulation in a power supply circuit?
- Yes, the 1N4749APE3/TR8 can be used to regulate the output voltage of a power supply within its specified voltage range.
What are the temperature considerations for the 1N4749APE3/TR8?
- The 1N4749APE3/TR8 has a specified operating temperature range, and its performance may vary outside of this range.
Is the 1N4749APE3/TR8 suitable for automotive applications?
- Yes, the 1N4749APE3/TR8 can be used in automotive electronics, provided it meets the required specifications for temperature, voltage, and reliability.
Can multiple 1N4749APE3/TR8 diodes be connected in series or parallel?
- Connecting Zener diodes in series can increase the breakdown voltage, while connecting them in parallel can increase the current-handling capability.
Are there any precautions to consider when using the 1N4749APE3/TR8 in a circuit?
- It's important to ensure that the maximum power dissipation and current ratings are not exceeded, and to consider the effects of temperature on the Zener diode's performance.