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1N4748APE3/TR12
Product Overview
Category
The 1N4748APE3/TR12 belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and protection in electronic circuits.
Characteristics
- Zener voltage: 22V
- Power dissipation: 1.3W
- Package type: DO-41
- Operating temperature range: -65°C to +200°C
- Forward voltage: 1.2V
- Reverse current: 5μA
Package
The 1N4748APE3/TR12 is typically available in a DO-41 package.
Essence
This Zener diode is essential for maintaining a constant voltage across a load in a circuit.
Packaging/Quantity
It is usually packaged in reels with quantities varying based on manufacturer specifications.
Specifications
- Zener voltage: 22V
- Power dissipation: 1.3W
- Maximum forward voltage: 1.2V
- Maximum reverse current: 5μA
- Operating temperature range: -65°C to +200°C
Detailed Pin Configuration
The 1N4748APE3/TR12 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
- Voltage regulation: It maintains a constant voltage across the load.
- Overvoltage protection: It prevents damage to sensitive components by diverting excess voltage.
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Susceptible to thermal runaway if not properly heatsinked
Working Principles
The 1N4748APE3/TR12 operates based on the Zener effect, where it allows current to flow in the reverse direction when the applied voltage reaches the Zener voltage. This characteristic enables it to regulate voltage in electronic circuits.
Detailed Application Field Plans
- Voltage regulation in power supplies
- Overvoltage protection in electronic circuits
- Signal clamping and limiting
Detailed and Complete Alternative Models
- 1N4730A
- 1N4731A
- 1N4732A
- 1N4733A
- 1N4734A
In summary, the 1N4748APE3/TR12 Zener diode is a crucial component in electronic circuits, providing precise voltage regulation and overvoltage protection. Its compact size and wide operating temperature range make it suitable for various applications in electronics.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4748APE3/TR12 v technických řešeních
What is the 1N4748APE3/TR12?
- The 1N4748APE3/TR12 is a Zener diode with a voltage rating of 22V and a power rating of 1W.
What are the typical applications of the 1N4748APE3/TR12?
- It is commonly used in voltage regulation, voltage reference, and overvoltage protection circuits.
What is the maximum current that can flow through the 1N4748APE3/TR12?
- The maximum current for reliable operation is typically around 40-50 mA.
How does the 1N4748APE3/TR12 provide voltage regulation?
- It operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.
Can the 1N4748APE3/TR12 be used for overvoltage protection?
- Yes, it can be used to limit the voltage across a circuit to its rated value, protecting sensitive components.
What are the key characteristics of the 1N4748APE3/TR12?
- It has a sharp breakdown voltage, low dynamic impedance, and good stability over a wide range of operating conditions.
Is the 1N4748APE3/TR12 suitable for precision voltage references?
- While it can provide a stable reference voltage, its tolerance may not be sufficient for precision applications without additional circuitry.
What are the temperature considerations for the 1N4748APE3/TR12?
- Its performance is affected by temperature, so thermal management is important for consistent operation.
Can multiple 1N4748APE3/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.
Are there any alternatives to the 1N4748APE3/TR12 for similar applications?
- Yes, other Zener diodes with different voltage ratings and power capabilities can be considered based on specific requirements.