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BZX85B18-TAP
Introduction
The BZX85B18-TAP is a diode belonging to the category of Zener diodes. It is commonly used for voltage regulation and protection in electronic circuits due to its specific characteristics. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the BZX85B18-TAP.
Basic Information Overview
- Category: Zener Diode
- Use: Voltage regulation and protection in electronic circuits
- Characteristics:
- Zener voltage: 18V
- Power dissipation: 1.3W
- Operating temperature: -65°C to +200°C
- Package: TAP package
- Essence: Provides stable voltage regulation and protection
- Packaging/Quantity: Available in various packaging options, typically sold in reels or tubes
Specifications
- Zener Voltage (Vz): 18V
- Power Dissipation (Ptot): 1.3W
- Operating Temperature Range: -65°C to +200°C
- Package Type: TAP
- Package Style: Axial
- Mounting Type: Through Hole
- Voltage Tolerance: ±5%
- Reverse Leakage Current: 5μA
- Maximum Zener Impedance: 10Ω
Detailed Pin Configuration
The BZX85B18-TAP has a standard axial lead package with two leads. The anode is connected to one lead, and the cathode is connected to the other lead.
Functional Features
- Voltage Regulation: Maintains a constant output voltage under varying load conditions.
- Overvoltage Protection: Safeguards sensitive components by limiting the voltage across them.
- Stability: Provides stable voltage references in precision circuits.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Robust construction
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Voltage tolerance may not be suitable for some precision applications
Working Principles
The BZX85B18-TAP 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 and protect circuits from overvoltage conditions.
Detailed Application Field Plans
The BZX85B18-TAP finds extensive use in various applications, including: - Voltage regulators in power supplies - Overvoltage protection in automotive electronics - Voltage reference in instrumentation circuits - Surge suppression in telecommunications equipment
Detailed and Complete Alternative Models
Some alternative models to the BZX85B18-TAP include: - BZX85C18-TAP: Higher power dissipation capability - BZX85B16-TAP: Lower Zener voltage for different voltage regulation requirements - BZX85B20-TAP: Higher Zener voltage for increased protection levels
In conclusion, the BZX85B18-TAP Zener diode offers precise voltage regulation and overvoltage protection, making it a crucial component in various electronic circuits.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng BZX85B18-TAP trong giải pháp kỹ thuật
What is the BZX85B18-TAP?
- The BZX85B18-TAP is a 18V Zener diode with a power rating of 1.3W, commonly used for voltage regulation and protection in electronic circuits.
What are the typical applications of BZX85B18-TAP?
- It is commonly used in voltage regulation, overvoltage protection, and voltage reference circuits in various electronic devices and systems.
What is the maximum power dissipation of BZX85B18-TAP?
- The maximum power dissipation of BZX85B18-TAP is 1.3W, making it suitable for handling moderate power levels.
What is the voltage tolerance of BZX85B18-TAP?
- The voltage tolerance of BZX85B18-TAP is typically ±5%, ensuring stable and accurate voltage regulation.
How does BZX85B18-TAP provide overvoltage protection?
- When the input voltage exceeds the rated zener voltage (18V), the BZX85B18-TAP conducts and limits the output voltage, providing overvoltage protection to the circuit.
Can BZX85B18-TAP be used in reverse bias?
- Yes, BZX85B18-TAP can be used in reverse bias as a voltage reference or as a protective element in certain circuit configurations.
What is the temperature coefficient of BZX85B18-TAP?
- The temperature coefficient of BZX85B18-TAP is typically around -2mV/°C, indicating its stability over a range of temperatures.
Is BZX85B18-TAP suitable for automotive applications?
- Yes, BZX85B18-TAP can be used in automotive applications where reliable voltage regulation and overvoltage protection are required.
What are the package options available for BZX85B18-TAP?
- BZX85B18-TAP is commonly available in through-hole packages such as DO-41, making it easy to integrate into various circuit designs.
Are there any recommended operating conditions for BZX85B18-TAP?
- It is recommended to operate BZX85B18-TAP within the specified voltage and current limits, and within the specified temperature range for optimal performance and reliability.