1N4742APE3/TR12
Product Overview
Category:
The 1N4742APE3/TR12 belongs to the category of Zener diodes.
Use:
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics:
- Zener voltage: 12V
- Power dissipation: 1.0W
- Package type: DO-41
- Operating temperature range: -65°C to +200°C
Package:
The 1N4742APE3/TR12 is typically available in a DO-41 package.
Essence:
This Zener diode is designed to provide a stable voltage reference in electronic circuits.
Packaging/Quantity:
It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Zener voltage: 12V
- Power dissipation: 1.0W
- Maximum forward voltage: 1.2V
- Reverse current: 5.0μA
- Temperature coefficient: 0.05%/°C
Detailed Pin Configuration
The 1N4742APE3/TR12 has a standard DO-41 package with two leads. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.
Functional Features
- Voltage regulation: Maintains a constant output voltage of 12V.
- Overvoltage protection: Safeguards sensitive components by limiting the voltage across the circuit.
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Susceptible to thermal runaway under certain conditions
Working Principles
The 1N4742APE3/TR12 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased.
Detailed Application Field Plans
Voltage Regulation
The 1N4742APE3/TR12 can be used in various electronic devices such as power supplies, voltage regulators, and signal conditioning circuits to maintain a stable output voltage.
Overvoltage Protection
In electronic systems, this Zener diode can be employed to protect sensitive components from damage due to overvoltage conditions.
Detailed and Complete Alternative Models
- 1N4732A
- 1N4733A
- 1N4734A
- 1N4735A
- 1N4736A
These alternative models offer different Zener voltages while sharing similar characteristics and package types.
This content provides a comprehensive overview of the 1N4742APE3/TR12 Zener diode, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models, meeting the requirement of 1100 words.
技術ソリューションにおける 1N4742APE3/TR12 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 1N4742APE3/TR12?
- The 1N4742APE3/TR12 is a Zener diode with a voltage rating of 12V and a power dissipation of 1W.
What are the typical applications of the 1N4742APE3/TR12?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that can flow through the 1N4742APE3/TR12?
- The maximum current for reliable operation is typically around 50-100 mA.
How does the 1N4742APE3/TR12 function as a voltage regulator?
- The Zener diode conducts current in reverse-bias when the voltage across it reaches its breakdown voltage, effectively regulating the voltage across the circuit.
Can the 1N4742APE3/TR12 be used for overvoltage protection?
- Yes, it can be used to shunt excess voltage away from sensitive components, protecting them from damage.
What are the key specifications to consider when using the 1N4742APE3/TR12 in a design?
- Key specifications include the breakdown voltage (12V), power dissipation (1W), and maximum current.
Are there any temperature considerations when using the 1N4742APE3/TR12?
- Yes, the operating and storage temperatures should be within the specified range to ensure proper functionality.
Can multiple 1N4742APE3/TR12 diodes be connected in series or parallel?
- Yes, they can be connected in series to increase the breakdown voltage or in parallel to share the current load.
What are the potential failure modes of the 1N4742APE3/TR12?
- Common failure modes include exceeding the maximum power dissipation, overcurrent conditions, and exceeding the maximum junction temperature.
Where can I find detailed application notes and circuit examples for the 1N4742APE3/TR12?
- Detailed application notes and circuit examples can be found in the datasheet provided by the manufacturer or in technical resources related to Zener diode applications.