1N4758PE3/TR8 - Semiconductor Diode
Basic Information Overview
- Category: Semiconductor Diode
- Use: Voltage regulation and rectification
- Characteristics: Zener diode, low leakage current, high reliability
- Package: DO-41 (Axial Lead)
- Essence: Regulating voltage in electronic circuits
- Packaging/Quantity: Tape & Reel, 5000 units per reel
Specifications
- Voltage: 33V
- Power Dissipation: 1.0W
- Tolerance: ±5%
- Operating Temperature: -65°C to +200°C
Detailed Pin Configuration
The 1N4758PE3/TR8 has a standard axial lead package with two leads. The cathode is marked with a black band.
Functional Features
- Zener Voltage Regulation: Maintains a constant voltage across the diode
- Reverse Breakdown: Allows current to flow in the reverse direction when the voltage reaches the Zener voltage
- Low Leakage Current: Minimizes power loss in the circuit
Advantages and Disadvantages
- Advantages:
- Precise voltage regulation
- High reliability and stability
- Low cost
- Disadvantages:
- Limited power dissipation capability
- Sensitivity to temperature variations
Working Principles
The 1N4758PE3/TR8 operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased. This allows it to regulate voltage in electronic circuits and protect sensitive components from overvoltage.
Detailed Application Field Plans
- Voltage Regulation: Used in power supplies to maintain a stable output voltage
- Overvoltage Protection: Safeguards sensitive components from excessive voltage spikes
- Signal Clipping: Limits the amplitude of input signals in audio and communication systems
Detailed and Complete Alternative Models
- 1N4728A: 3.3V Zener diode
- 1N4733A: 5.1V Zener diode
- 1N4742A: 12V Zener diode
- BZX85C33: 33V Zener diode
This comprehensive range of alternative models provides options for different voltage regulation requirements.
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技術ソリューションにおける 1N4758PE3/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 the 1N4758PE3/TR8?
- The 1N4758PE3/TR8 is a Zener diode with a voltage rating of 39V and a power rating of 1W.
What are the typical applications of the 1N4758PE3/TR8?
- It is commonly used for voltage regulation, surge suppression, and overvoltage protection in various electronic circuits.
What is the maximum current that can flow through the 1N4758PE3/TR8?
- The maximum current for this Zener diode is typically around 50mA.
How does the 1N4758PE3/TR8 provide voltage regulation?
- When the voltage across the diode reaches its breakdown voltage (39V), it starts conducting to maintain a nearly constant voltage across its terminals.
Can the 1N4758PE3/TR8 be used for reverse polarity protection?
- Yes, it can be used to protect sensitive components from damage due to reverse polarity connections.
What are the key specifications to consider when using the 1N4758PE3/TR8 in a circuit?
- Key specifications include the breakdown voltage, power rating, maximum current, and temperature coefficient.
Is the 1N4758PE3/TR8 suitable for high-frequency applications?
- It is not recommended for high-frequency applications due to its inherent limitations in response time.
Can multiple 1N4758PE3/TR8 diodes be connected in series or parallel?
- Yes, they can be connected in series to achieve higher breakdown voltages or in parallel to increase the current-handling capability.
What are the potential failure modes of the 1N4758PE3/TR8?
- Common failure modes include thermal runaway, excessive current causing damage, and voltage transients exceeding its ratings.
Are there any specific layout considerations when using the 1N4758PE3/TR8 in a PCB design?
- It's important to minimize the length of traces carrying high currents and to ensure proper heat dissipation to prevent overheating of the diode.
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