1N4745CPE3/TR8 - English Editing Encyclopedia Entry
Product Overview
The 1N4745CPE3/TR8 belongs to the category of Zener diodes, which are widely used in electronic circuits for voltage regulation and protection. This specific diode is designed to provide stable and precise voltage regulation in various applications. Its characteristics include a high power dissipation capability, low leakage current, and a compact package. The diode is typically available in a standard DO-41 package and is commonly used in electronic devices where voltage stabilization is crucial.
Basic Information
- Category: Zener Diode
- Use: Voltage Regulation and Protection
- Characteristics: High Power Dissipation, Low Leakage Current
- Package: DO-41
- Essence: Stable and Precise Voltage Regulation
- Packaging/Quantity: Typically Available in Tape and Reel Packaging
Specifications
- Voltage Range: 16V
- Power Dissipation: 1.0W
- Zener Voltage Tolerance: ±5%
- Operating Temperature Range: -65°C to +200°C
- Storage Temperature Range: -65°C to +200°C
Detailed Pin Configuration
The 1N4745CPE3/TR8 Zener diode has a standard two-pin configuration, with the anode connected to the positive terminal and the cathode connected to the negative terminal in a circuit.
Functional Features
- Stable Voltage Regulation: Provides consistent voltage output within specified tolerance limits.
- Overvoltage Protection: Safeguards electronic components by limiting the voltage across the circuit.
- Low Leakage Current: Minimizes power loss and ensures efficient operation.
Advantages and Disadvantages
Advantages
- Precise Voltage Regulation
- High Power Dissipation Capability
- Compact Package Size
Disadvantages
- Limited Voltage Range
- Sensitivity to Temperature Variations
Working Principles
The 1N4745CPE3/TR8 Zener diode operates based on the principle of the Zener breakdown effect, where it maintains a constant voltage drop across its terminals when reverse-biased. This allows it to regulate the voltage in a circuit by diverting excess current when the voltage exceeds the specified value.
Detailed Application Field Plans
The 1N4745CPE3/TR8 Zener diode finds extensive use in various electronic applications, including: - Voltage Regulator Circuits - Power Supplies - Overvoltage Protection Systems - Signal Clipping and Limiting Circuits
Detailed and Complete Alternative Models
- 1N4739A: 9.1V Zener Diode
- 1N4746A: 18V Zener Diode
- BZX55C16: 16V Zener Diode
In conclusion, the 1N4745CPE3/TR8 Zener diode offers reliable voltage regulation and overvoltage protection in electronic circuits, making it an essential component in many applications.
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What is the 1N4745CPE3/TR8 diode used for?
- The 1N4745CPE3/TR8 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4745CPE3/TR8 diode?
- The 1N4745CPE3/TR8 has a nominal Zener voltage of 16V, making it suitable for applications requiring stable voltage references.
How does the 1N4745CPE3/TR8 diode regulate voltage?
- The 1N4745CPE3/TR8 operates in the reverse breakdown region, maintaining a constant voltage drop across its terminals, effectively regulating the output voltage.
Can the 1N4745CPE3/TR8 be used for overvoltage protection?
- Yes, the 1N4745CPE3/TR8 can be employed to protect sensitive components from overvoltage conditions by shunting excess voltage to ground.
What are the typical applications of the 1N4745CPE3/TR8 diode?
- Common applications include voltage regulators, voltage references, surge suppressors, and precision voltage clamping circuits.
What is the power dissipation rating of the 1N4745CPE3/TR8 diode?
- The 1N4745CPE3/TR8 has a maximum power dissipation of 1.0W, allowing it to handle moderate power levels in circuit designs.
Is the 1N4745CPE3/TR8 suitable for automotive electronics?
- Yes, the 1N4745CPE3/TR8 can be used in automotive applications where stable voltage regulation and transient protection are required.
What is the temperature coefficient of the 1N4745CPE3/TR8 diode?
- The temperature coefficient is typically around 5mV/°C, indicating a relatively stable voltage reference over a range of temperatures.
Can multiple 1N4745CPE3/TR8 diodes be connected in series or parallel?
- Yes, multiple diodes can be connected in series to achieve higher voltage ratings or in parallel to increase current-handling capability.
Are there any specific layout considerations when using the 1N4745CPE3/TR8 in a PCB design?
- It's important to minimize trace lengths and keep the diode close to the load to reduce parasitic resistance and inductance, ensuring optimal performance.