1N4757PE3/TR12 - Semiconductor Diode
Basic Information Overview
- Category: Semiconductor Diode
- Use: Voltage Regulation
- Characteristics: Zener Diode, High Power Dissipation, Low Leakage Current
- Package: DO-41
- Essence: Regulates voltage by maintaining a constant output voltage across the load
- Packaging/Quantity: Tape & Reel, 5000 units per reel
Specifications
- Voltage - Zener (Nom) (Vz): 39V
- Power - Max: 1.3W
- Impedance (Max) (Zzt): 5 Ohm
- Current - Reverse Leakage @ Vr: 5µA @ 31.2V
- Operating Temperature: -65°C to 200°C
Detailed Pin Configuration
The 1N4757PE3/TR12 is a two-pin diode with anode and cathode terminals.
Functional Features
- Voltage Regulation: Maintains a constant voltage across the load
- Overvoltage Protection: Safeguards sensitive components from voltage spikes
- Stability: Provides stable voltage reference for precision circuits
Advantages and Disadvantages
- Advantages:
- Reliable voltage regulation
- High power dissipation capability
- Low leakage current
- Disadvantages:
- Limited voltage range
- Sensitivity to temperature variations
Working Principles
The 1N4757PE3/TR12 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse-biased at or above its breakdown voltage.
Detailed Application Field Plans
- Voltage Regulation: Used in power supplies to maintain a stable output voltage
- Overvoltage Protection: Incorporated in electronic circuits to protect against voltage surges
- Voltage Reference: Utilized in precision measurement and control systems
Detailed and Complete Alternative Models
- 1N4739A: 9.1V Zener Diode
- 1N4744A: 15V Zener Diode
- 1N4763A: 91V Zener Diode
This comprehensive entry provides detailed information about the 1N4757PE3/TR12 semiconductor diode, including its basic overview, 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 1N4757PE3/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 1N4757PE3/TR12?
- The 1N4757PE3/TR12 is a Zener diode with a voltage rating of 43V and a power rating of 1W.
What are the typical applications of the 1N4757PE3/TR12?
- It is commonly used in voltage regulation, overvoltage protection, and voltage reference circuits.
What is the maximum current that can flow through the 1N4757PE3/TR12?
- The maximum current for reliable operation is typically around 40-50 mA.
How does the 1N4757PE3/TR12 provide voltage regulation?
- It operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.
Can the 1N4757PE3/TR12 be used for overvoltage protection?
- Yes, it can be used to limit the voltage across a circuit to its breakdown voltage, protecting sensitive components.
What are the key characteristics to consider when using the 1N4757PE3/TR12 in a design?
- Key characteristics include its voltage rating, power dissipation, and temperature coefficient.
What are the typical operating conditions for the 1N4757PE3/TR12?
- It is designed to operate within a specified temperature range and under certain current and voltage conditions.
Are there any specific layout considerations when incorporating the 1N4757PE3/TR12 into a circuit?
- It's important to minimize lead lengths and ensure proper heat sinking to maintain reliability and performance.
Can the 1N4757PE3/TR12 be used as a voltage reference in precision circuits?
- Yes, it can serve as a stable voltage reference due to its well-defined breakdown voltage.
What are some common alternatives to the 1N4757PE3/TR12 for similar applications?
- Alternatives include other Zener diodes with comparable voltage and power ratings, as well as voltage regulators with fixed output voltages.