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1N4747PE3/TR12
Product Overview
Category
The 1N4747PE3/TR12 belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Zener voltage: 20V
- 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: 20V
- Tolerance: ±5%
- Power dissipation: 1.0W
- Maximum forward voltage: 1.2V
- Reverse current: 5μA
- Temperature coefficient: 0.05%/°C
Detailed Pin Configuration
The 1N4747PE3/TR12 has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.
Functional Features
- Precise voltage regulation
- Overvoltage protection
- Stable operation over a wide temperature range
Advantages
- High reliability
- Compact package
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Relatively low voltage tolerance
Working Principles
The 1N4747PE3/TR12 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 regulator circuits, overvoltage protection circuits, and as a reference voltage source in various electronic devices.
Detailed and Complete Alternative Models
- 1N4739A: 9.1V Zener diode
- 1N4742A: 12V Zener diode
- BZX55C20: 20V Zener diode
In conclusion, the 1N4747PE3/TR12 Zener diode is a reliable component for voltage regulation and protection in electronic circuits, offering precise voltage control and overvoltage protection. Its compact package and wide operating temperature range make it suitable for various applications in the electronics industry.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4747PE3/TR12 v technických řešeních
What is the 1N4747PE3/TR12 diode used for?
- The 1N4747PE3/TR12 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4747PE3/TR12 diode?
- The 1N4747PE3/TR12 has a nominal voltage of 20V, making it suitable for applications requiring precise voltage regulation.
How does the 1N4747PE3/TR12 diode regulate voltage?
- The 1N4747PE3/TR12 operates in the reverse-biased breakdown region, maintaining a constant voltage drop across its terminals to regulate the output voltage.
Can the 1N4747PE3/TR12 be used for overvoltage protection?
- Yes, the 1N4747PE3/TR12 can be employed to protect sensitive components from overvoltage conditions by shunting excess voltage away from the circuit.
What are the typical applications of the 1N4747PE3/TR12 diode?
- Common applications include voltage regulators, voltage references, and precision voltage clamping circuits.
What is the power dissipation rating of the 1N4747PE3/TR12 diode?
- The 1N4747PE3/TR12 has a power dissipation rating of 1W, allowing it to handle moderate power levels.
Is the 1N4747PE3/TR12 suitable for low-current applications?
- Yes, the 1N4747PE3/TR12 can operate effectively in low-current scenarios, making it versatile for various designs.
Does the 1N4747PE3/TR12 have temperature stability?
- The 1N4747PE3/TR12 exhibits good temperature stability, ensuring consistent performance across a range of operating temperatures.
Can multiple 1N4747PE3/TR12 diodes be connected in series or parallel?
- Multiple 1N4747PE3/TR12 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 1N4747PE3/TR12 diode?
- It's important to ensure proper heat sinking and current limiting to prevent the diode from exceeding its maximum ratings and causing damage.