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1N4745A-TR
Product Overview
The 1N4745A-TR is a Zener diode belonging to the semiconductor category. It is commonly used for voltage regulation and protection in electronic circuits. This diode exhibits characteristics such as stable voltage output, low impedance, and high reliability. The package type for the 1N4745A-TR is typically through-hole, and it is available in various packaging quantities to suit different production needs.
Specifications
- Voltage: 16V
- Power Dissipation: 1W
- Zener Voltage Tolerance: ±5%
- Operating Temperature Range: -65°C to +175°C
Detailed Pin Configuration
The 1N4745A-TR has two pins, with the anode connected to the positive terminal and the cathode connected to the negative terminal.
Functional Features
- Voltage Regulation: The 1N4745A-TR provides a stable output voltage when operated within its specified parameters.
- Overvoltage Protection: It helps protect sensitive components in a circuit by limiting the voltage across them.
Advantages and Disadvantages
Advantages
- Reliable voltage regulation
- Low impedance
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Voltage tolerance of ±5% may not be suitable for precision applications
Working Principles
The 1N4745A-TR 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 1N4745A-TR finds extensive use in various electronic devices and systems, including: - Voltage regulators - Power supplies - Overvoltage protection circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4745A-TR include: - 1N4733A-TR (5.1V Zener voltage) - 1N4740A-TR (10V Zener voltage) - 1N4749A-TR (24V Zener voltage)
In conclusion, the 1N4745A-TR Zener diode serves as a reliable component for voltage regulation and overvoltage protection in electronic circuits, offering stable performance within its specified parameters.
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What is the 1N4745A-TR?
- The 1N4745A-TR is a 16V, 1W Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the maximum power dissipation of the 1N4745A-TR?
- The maximum power dissipation of the 1N4745A-TR is 1 watt.
What is the voltage tolerance of the 1N4745A-TR?
- The voltage tolerance of the 1N4745A-TR is +/- 5%.
How can I use the 1N4745A-TR for voltage regulation?
- The 1N4745A-TR can be used in conjunction with a current-limiting resistor to regulate voltage in a circuit by maintaining a constant output voltage across its terminals.
What are some common applications of the 1N4745A-TR?
- Common applications of the 1N4745A-TR include voltage regulation in power supplies, overvoltage protection, and voltage reference circuits.
What is the forward voltage drop of the 1N4745A-TR?
- The forward voltage drop of the 1N4745A-TR is typically around 1.2V.
Can the 1N4745A-TR be used for reverse polarity protection?
- Yes, the 1N4745A-TR can be used for reverse polarity protection by connecting it in series with the power supply input.
What is the temperature coefficient of the 1N4745A-TR?
- The temperature coefficient of the 1N4745A-TR is approximately -2mV/°C.
How do I select the appropriate current-limiting resistor for the 1N4745A-TR?
- The current-limiting resistor can be selected based on the desired operating current and the voltage drop across the diode using Ohm's law (R = V/I).
Is the 1N4745A-TR suitable for high-frequency applications?
- The 1N4745A-TR is not specifically designed for high-frequency applications, but it can be used in low to moderate frequency circuits with proper consideration of its characteristics.