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BZX55C18 Diode Encyclopedia Entry
Product Overview
Category
The BZX55C18 diode belongs to the category of Zener diodes, which are semiconductor devices designed to maintain a fixed voltage across their terminals.
Use
It is commonly used for voltage regulation and overvoltage protection in electronic circuits.
Characteristics
- Zener voltage: 18V
- Power dissipation: 500mW
- Maximum forward voltage: 1.5V
- Operating temperature range: -65°C to +200°C
Package
The BZX55C18 diode is typically available in a DO-35 glass package.
Essence
The essence of the BZX55C18 diode lies in its ability to provide a stable voltage reference in electronic circuits.
Packaging/Quantity
It is usually supplied in reels or tubes with varying quantities depending on the manufacturer.
Specifications
- Zener voltage: 18V
- Power dissipation: 500mW
- Maximum forward voltage: 1.5V
- Reverse current: 5μA
- Temperature coefficient: 5mV/°C
Detailed Pin Configuration
The BZX55C18 diode has two pins and follows the standard pin configuration for DO-35 packages.
Functional Features
The BZX55C18 diode exhibits the following functional features: - Precise voltage regulation at 18V - Low reverse leakage current - Fast response time to changes in voltage
Advantages
- Stable voltage reference
- Small form factor
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Sensitive to temperature variations
Working Principles
The BZX55C18 diode operates based on the Zener effect, where it maintains a constant voltage drop across its terminals when reverse biased.
Detailed Application Field Plans
The BZX55C18 diode finds applications in various fields including: - Voltage regulation in power supplies - Overvoltage protection in electronic circuits - Signal clamping and limiting
Detailed and Complete Alternative Models
Some alternative models to the BZX55C18 diode include: - BZX85C18 - 1N4746A - 1N4733A
In conclusion, the BZX55C18 diode is a crucial component in electronic circuits, providing stable voltage references and overvoltage protection. Its characteristics, working principles, and application field plans make it an essential part of many electronic systems.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BZX55C18 v technických řešeních
What is the maximum power dissipation of BZX55C18?
- The maximum power dissipation of BZX55C18 is 500mW.
What is the forward voltage drop of BZX55C18?
- The forward voltage drop of BZX55C18 is typically 0.9V at a forward current of 10mA.
What is the reverse breakdown voltage of BZX55C18?
- The reverse breakdown voltage of BZX55C18 is 18V.
Can BZX55C18 be used for voltage regulation in low power applications?
- Yes, BZX55C18 can be used for voltage regulation in low power applications due to its stable zener voltage.
What is the temperature coefficient of BZX55C18?
- The temperature coefficient of BZX55C18 is typically 0.07% per °C.
Is BZX55C18 suitable for use in voltage reference circuits?
- Yes, BZX55C18 is suitable for use in voltage reference circuits due to its precise and stable zener voltage.
What is the maximum zener impedance of BZX55C18?
- The maximum zener impedance of BZX55C18 is 40Ω.
Can BZX55C18 be used for overvoltage protection in electronic circuits?
- Yes, BZX55C18 can be used for overvoltage protection in electronic circuits by shunting excess voltage to ground.
What is the typical junction capacitance of BZX55C18?
- The typical junction capacitance of BZX55C18 is 250pF.
Is BZX55C18 suitable for use in battery-powered devices?
- Yes, BZX55C18 is suitable for use in battery-powered devices due to its low power dissipation and stable zener voltage characteristics.