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1N4749PE3/TR12
Product Overview
Category
The 1N4749PE3/TR12 belongs to the category of 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: Tape and Reel
Package
The 1N4749PE3/TR12 is typically available in a DO-41 package, which is a cylindrical through-hole package.
Essence
This Zener diode is essential for maintaining a constant voltage across a load in a circuit.
Packaging/Quantity
It is usually supplied in tape and reel packaging with varying quantities depending on the supplier.
Specifications
- Zener Voltage: 24V
- Power Dissipation: 1.0W
- Forward Voltage: 1.2V
- Reverse Current: 5.0µA
- Temperature Coefficient: 5mV/°C
Detailed Pin Configuration
The 1N4749PE3/TR12 Zener diode has two pins, with the cathode being shorter than the anode. The pinout configuration is as follows: - Pin 1 (Anode) - Pin 2 (Cathode)
Functional Features
- Voltage regulation: It maintains a constant voltage across the load.
- Overvoltage protection: It prevents excessive voltage from damaging the circuit.
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Susceptible to damage from overcurrent conditions
Working Principles
The 1N4749PE3/TR12 operates based on the Zener effect, where it allows current to flow in reverse when the voltage reaches its breakdown voltage, effectively regulating the voltage across the load.
Detailed Application Field Plans
This Zener diode is widely used in various applications such as: - Voltage regulators - Overvoltage protection circuits - Power supplies - Signal clamping circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4749PE3/TR12 include: - 1N4733A - 1N4734A - 1N4735A - 1N4736A
In conclusion, the 1N4749PE3/TR12 Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and wide operating temperature range make it suitable for diverse applications in the field of electronics.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4749PE3/TR12 v technických řešeních
What is the 1N4749PE3/TR12 diode used for?
- The 1N4749PE3/TR12 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4749PE3/TR12 diode?
- The 1N4749PE3/TR12 has a nominal voltage of 24V, making it suitable for applications requiring precise voltage regulation.
How does the 1N4749PE3/TR12 diode regulate voltage?
- The 1N4749PE3/TR12 operates in the reverse breakdown region, maintaining a constant voltage drop across its terminals to regulate the output voltage.
Can the 1N4749PE3/TR12 be used for overvoltage protection?
- Yes, the 1N4749PE3/TR12 can be employed to protect sensitive components from overvoltage conditions by shunting excess voltage to ground.
What are the typical applications of the 1N4749PE3/TR12 diode?
- Common applications include voltage regulators, voltage references, and precision voltage clamping circuits.
What is the power dissipation rating of the 1N4749PE3/TR12 diode?
- The 1N4749PE3/TR12 has a power dissipation rating of 1W, allowing it to handle moderate power levels.
Is the 1N4749PE3/TR12 suitable for high-frequency applications?
- While the 1N4749PE3/TR12 can function at moderate frequencies, it may not be ideal for high-speed switching applications due to its inherent capacitance.
What is the temperature coefficient of the 1N4749PE3/TR12 diode?
- The temperature coefficient is typically around -2mV/°C, indicating a relatively stable voltage reference over a range of temperatures.
Can multiple 1N4749PE3/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 capability.
Are there any precautions to consider when using the 1N4749PE3/TR12 diode?
- It's important to ensure proper heat sinking and current limiting to prevent thermal runaway and excessive power dissipation. Additionally, attention should be given to the maximum voltage and current ratings to avoid device failure.