1N4738APE3/TR8
Product Overview
Category
The 1N4738APE3/TR8 belongs to the category of semiconductor devices, specifically zener diodes.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Zener voltage: 8.2V
- Power dissipation: 1.0W
- Package type: DO-41
- Operating temperature range: -65°C to +200°C
- Forward voltage: 1.2V
- Reverse current: 5µA
Packaging/Quantity
The 1N4738APE3/TR8 is typically available in tape and reel packaging with quantities varying based on manufacturer specifications.
Specifications
- Zener voltage: 8.2V
- Power dissipation: 1.0W
- Maximum forward voltage: 1.2V
- Maximum reverse current: 5µA
- Package type: DO-41
- Operating temperature range: -65°C to +200°C
Detailed Pin Configuration
The 1N4738APE3/TR8 zener diode has two pins, anode, and cathode. The anode is connected to the positive terminal of the circuit, while the cathode is connected to the negative terminal.
Functional Features
The 1N4738APE3/TR8 zener diode provides a constant voltage output when it is operated in the reverse breakdown region. It offers stable voltage regulation and protection against voltage spikes.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Protection against voltage surges
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Sensitivity to temperature variations
Working Principles
The 1N4738APE3/TR8 operates based on the principle of the zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased. This allows it to regulate voltage within a circuit.
Detailed Application Field Plans
The 1N4738APE3/TR8 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 1N4738APE3/TR8 include: - 1N4739APE3/TR8 (Zener voltage: 9.1V) - 1N4740APE3/TR8 (Zener voltage: 10V) - 1N4741APE3/TR8 (Zener voltage: 11V)
In conclusion, the 1N4738APE3/TR8 zener diode is a versatile component that finds extensive use in voltage regulation and protection applications across various electronic circuits.
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技術ソリューションにおける 1N4738APE3/TR8 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 1N4738APE3/TR8?
- 1N4738APE3/TR8 is a Zener diode with a voltage rating of 8.2V, commonly used in electronic circuits for voltage regulation and protection.
How does 1N4738APE3/TR8 work in voltage regulation?
- When the voltage across the diode reaches its specified value (8.2V), it begins to conduct current in the reverse direction, effectively stabilizing the voltage at that level.
What are the typical applications of 1N4738APE3/TR8?
- It is often used in power supplies, voltage regulators, and as a protective element in circuits to prevent overvoltage damage.
Can 1N4738APE3/TR8 be used in series or parallel configurations?
- Yes, it can be used in both series and parallel configurations to achieve specific voltage requirements or increase current-handling capacity.
What are the key specifications to consider when using 1N4738APE3/TR8 in a circuit?
- Key specifications include its voltage rating (8.2V), maximum power dissipation, and forward voltage drop.
How does temperature affect the performance of 1N4738APE3/TR8?
- The voltage reference of the diode is affected by temperature, so it's important to consider temperature compensation or use temperature-stable designs if operating in varying thermal conditions.
Are there any alternative components that can be used in place of 1N4738APE3/TR8?
- Yes, other Zener diodes with similar voltage ratings can be used as alternatives, but it's important to ensure compatibility with the specific circuit requirements.
What precautions should be taken when soldering 1N4738APE3/TR8 onto a PCB?
- Care should be taken to avoid overheating the diode during soldering, as excessive heat can damage its characteristics.
Can 1N4738APE3/TR8 handle transient voltage spikes?
- While it can handle some level of transient voltage spikes, additional protection components may be necessary for robust transient voltage suppression.
Where can I find detailed application notes for using 1N4738APE3/TR8 in technical solutions?
- Detailed application notes can typically be found in the datasheet provided by the manufacturer, which includes recommended circuit configurations and usage guidelines.