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1N4746P/TR12
Product Overview
Category
The 1N4746P/TR12 belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and voltage reference applications.
Characteristics
- Zener voltage: 18V
- Power dissipation: 1.0W
- Package type: DO-41
- Operating temperature range: -65°C to +200°C
- Storage temperature range: -65°C to +200°C
- Packaging: Tape and Reel (TR)
Package
The 1N4746P/TR12 is typically available in a DO-41 package, which is a cylindrical through-hole package.
Essence
This Zener diode is designed to provide a stable reference voltage or to regulate voltage in electronic circuits.
Packaging/Quantity
It is usually supplied in tape and reel packaging with a standard quantity per reel.
Specifications
- Zener voltage: 18V
- Power dissipation: 1.0W
- Maximum forward voltage: 1.2V
- Reverse current: 5μA
- Temperature coefficient: 0.05%/°C
Detailed Pin Configuration
The 1N4746P/TR12 has two pins, anode and cathode, with the cathode being marked by a band on the body of the diode.
Functional Features
- Precise voltage regulation
- Low impedance
- High reliability
- Fast response time
Advantages and Disadvantages
Advantages
- Stable voltage reference
- Wide operating temperature range
- Easy to use in circuit design
Disadvantages
- Limited power dissipation capability
- Sensitive to temperature variations
Working Principles
The 1N4746P/TR12 operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse biased.
Detailed Application Field Plans
Voltage Regulation
The 1N4746P/TR12 can be used in voltage regulator circuits to maintain a stable output voltage.
Voltage Reference
It serves as a precise voltage reference in various electronic systems, ensuring consistent performance.
Overvoltage Protection
In some applications, it can be employed to protect sensitive components from overvoltage conditions.
Detailed and Complete Alternative Models
- 1N4730A/TR12 (Zener voltage: 3.9V)
- 1N4733A/TR12 (Zener voltage: 5.1V)
- 1N4739A/TR12 (Zener voltage: 9.1V)
- 1N4744A/TR12 (Zener voltage: 15V)
In conclusion, the 1N4746P/TR12 Zener diode offers precise voltage regulation and reference capabilities, making it suitable for a wide range of electronic applications. While it has limitations in power dissipation and temperature sensitivity, its advantages include stable voltage reference and wide operating temperature range. Additionally, there are alternative models available with different Zener voltages to suit specific application requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de 1N4746P/TR12 en soluciones técnicas
What is the 1N4746P/TR12 diode used for?
- The 1N4746P/TR12 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4746P/TR12 diode?
- The 1N4746P/TR12 has a nominal voltage of 18 volts, making it suitable for applications requiring a stable 18V reference voltage.
Can the 1N4746P/TR12 be used for reverse polarity protection?
- Yes, the 1N4746P/TR12 can be used to protect circuits from damage due to reverse polarity by allowing current to flow in the forward direction when connected correctly.
What are the typical applications of the 1N4746P/TR12 diode?
- Typical applications include voltage regulation, voltage reference, overvoltage protection, and as a component in voltage stabilizing circuits.
What is the power dissipation rating of the 1N4746P/TR12?
- The 1N4746P/TR12 has a power dissipation rating of 1 watt, allowing it to handle moderate power levels in circuit applications.
Is the 1N4746P/TR12 suitable for use in automotive electronics?
- Yes, the 1N4746P/TR12 can be used in automotive electronics for voltage regulation and protection against voltage spikes.
What is the temperature coefficient of the 1N4746P/TR12?
- The temperature coefficient of the 1N4746P/TR12 is typically around -2 mV/°C, indicating its stability over a range of temperatures.
Can multiple 1N4746P/TR12 diodes be connected in series or parallel?
- Yes, multiple 1N4746P/TR12 diodes can be connected in series to create higher voltage references or in parallel to increase current-handling capability.
What is the maximum forward voltage drop of the 1N4746P/TR12?
- The maximum forward voltage drop of the 1N4746P/TR12 is typically around 1.2 volts at a specified forward current.
Are there any specific considerations for PCB layout when using the 1N4746P/TR12?
- It's important to ensure proper heat sinking and placement of the diode on the PCB to manage thermal considerations and optimize performance.