1N4738APE3/TR12
Product Overview
Category
The 1N4738APE3/TR12 belongs to the category of semiconductor devices.
Use
It is commonly used as a voltage regulator in electronic circuits.
Characteristics
- The 1N4738APE3/TR12 is a Zener diode with a specific breakdown voltage.
- It comes in a small, cylindrical package.
- It is designed to maintain a constant voltage across its terminals when operated in its breakdown region.
Package
The 1N4738APE3/TR12 is typically available in a DO-41 axial leaded package.
Essence
This component is essential for stabilizing voltage levels in various electronic applications.
Packaging/Quantity
It is usually packaged in reels or tubes and is available in quantities suitable for production runs.
Specifications
- Voltage: 8.2V
- Power Dissipation: 1.0W
- Operating Temperature Range: -65°C to +200°C
Detailed Pin Configuration
The 1N4738APE3/TR12 has two leads, with the cathode being shorter than the anode.
Functional Features
- Provides a stable reference voltage.
- Protects sensitive components from voltage spikes.
- Can be used in reverse-bias mode for voltage regulation.
Advantages
- Precise voltage regulation.
- Small form factor.
- Wide operating temperature range.
Disadvantages
- Limited power dissipation capability.
- Susceptible to damage from excessive current or voltage.
Working Principles
The 1N4738APE3/TR12 operates based on the Zener effect, where it maintains a nearly constant voltage drop across its terminals when it is reverse-biased and operated at or above its breakdown voltage.
Detailed Application Field Plans
This component finds application in various electronic circuits, including: - Voltage regulators - Power supplies - Signal conditioning circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4738APE3/TR12 include: - 1N4739A - BZX55C8V2 - LM336Z-5.0
In conclusion, the 1N4738APE3/TR12 Zener diode is a crucial component in electronic circuit design, providing stable voltage references and protection against voltage fluctuations. Its precise characteristics make it suitable for a wide range of applications, although designers should consider its limitations in power dissipation and susceptibility to overvoltage conditions.
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技術ソリューションにおける 1N4738APE3/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 1N4738APE3/TR12?
- 1N4738APE3/TR12 is a Zener diode with a voltage rating of 8.2V and a power rating of 1W.
How does 1N4738APE3/TR12 work?
- It works by allowing current to flow in the forward direction like a normal diode, but also permits it to flow in the reverse direction when the voltage is above its breakdown voltage.
What are the typical applications of 1N4738APE3/TR12?
- It is commonly used for voltage regulation, voltage reference, and overvoltage protection in various electronic circuits.
What is the maximum current that 1N4738APE3/TR12 can handle?
- The maximum current for 1N4738APE3/TR12 is typically around 200mA.
How do I select the appropriate resistor for use with 1N4738APE3/TR12?
- To limit the current through the Zener diode, you can use Ohm's law (R = V/I) to calculate the resistance needed based on the desired current and voltage drop.
Can 1N4738APE3/TR12 be used for voltage regulation in a power supply circuit?
- Yes, it can be used to stabilize the output voltage of a power supply within a certain range.
What are the temperature considerations for 1N4738APE3/TR12?
- The operating temperature range for 1N4738APE3/TR12 is typically between -65°C to +200°C.
Is 1N4738APE3/TR12 suitable for automotive applications?
- Yes, it can be used in automotive electronics for voltage regulation and protection.
Can 1N4738APE3/TR12 be used in reverse bias as a voltage reference?
- Yes, it can be used as a stable reference voltage in reverse bias mode.
Are there any alternatives to 1N4738APE3/TR12 with similar specifications?
- Yes, other Zener diodes with comparable voltage and power ratings include 1N4738A, BZX55C8V2, and 8EZ8.