BZX85C4V7-TR: Product Overview and Specifications
Introduction
The BZX85C4V7-TR is a diode belonging to the category of Zener diodes. It is commonly used for voltage regulation and transient suppression in various electronic circuits. This diode exhibits specific characteristics that make it suitable for a wide range of applications. The BZX85C4V7-TR is available in a variety of packages, and its essence lies in providing precise voltage regulation and protection in electronic systems.
Basic Information Overview
- Category: Zener Diode
- Use: Voltage regulation, transient suppression
- Characteristics: Precise voltage regulation, high reliability, low impedance
- Package: Through-hole, surface mount
- Essence: Providing stable voltage regulation and transient protection
- Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier
Specifications
- Voltage: 4.7V
- Power Dissipation: 1.3W
- Zener Voltage Tolerance: ±5%
- Operating Temperature Range: -65°C to +175°C
- Forward Voltage: 1.2V
- Reverse Leakage Current: 5μA
Detailed Pin Configuration
The BZX85C4V7-TR typically has two pins, with the cathode connected to the semiconductor material's p-side and the anode connected to the n-side.
Functional Features
- Precise Voltage Regulation: The BZX85C4V7-TR maintains a constant voltage across its terminals, making it ideal for voltage regulation applications.
- Transient Suppression: It effectively suppresses transient voltage spikes, protecting sensitive components in electronic circuits.
- Low Impedance: This diode offers low impedance, ensuring minimal impact on the overall circuit performance.
Advantages and Disadvantages
Advantages
- Reliable voltage regulation
- Effective transient suppression
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Voltage tolerance may not be suitable for highly precise applications
Working Principles
The BZX85C4V7-TR 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 suppress transient spikes by diverting excess current.
Detailed Application Field Plans
The BZX85C4V7-TR finds extensive use in various electronic systems, including: - Voltage regulators - Power supplies - Overvoltage protection circuits - Signal clamping circuits
Detailed and Complete Alternative Models
- BZX55C4V7: Similar specifications, different package
- 1N4728A: Comparable voltage rating, alternative form factor
- MM3Z4V7T1G: SMD alternative with similar characteristics
In conclusion, the BZX85C4V7-TR Zener diode offers reliable voltage regulation and transient suppression capabilities, making it a versatile component in electronic circuits across various industries.
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What is the BZX85C4V7-TR?
- The BZX85C4V7-TR is a 4.7V Zener diode designed for voltage regulation and protection in electronic circuits.
What are the typical applications of BZX85C4V7-TR?
- It is commonly used for voltage reference, voltage stabilization, surge suppression, and overvoltage protection in various electronic devices and circuits.
What is the maximum power dissipation of BZX85C4V7-TR?
- The maximum power dissipation of BZX85C4V7-TR is typically around 1.3W.
What is the voltage tolerance of BZX85C4V7-TR?
- The voltage tolerance of BZX85C4V7-TR is typically ±5%.
What is the operating temperature range of BZX85C4V7-TR?
- The operating temperature range of BZX85C4V7-TR is usually from -65°C to +175°C.
How does BZX85C4V7-TR protect against overvoltage?
- BZX85C4V7-TR conducts current when the voltage across it exceeds its breakdown voltage, effectively clamping the voltage and protecting downstream components.
Can BZX85C4V7-TR be used for voltage regulation?
- Yes, BZX85C4V7-TR can be used as a simple voltage regulator by connecting it in parallel with the load to maintain a constant output voltage.
What are the key characteristics of BZX85C4V7-TR for circuit design?
- Key characteristics include low dynamic impedance, high reliability, and fast response time to transient voltage spikes.
Is BZX85C4V7-TR suitable for automotive applications?
- Yes, BZX85C4V7-TR is often used in automotive electronics for voltage regulation and transient protection due to its robustness and temperature range.
Are there any specific considerations for PCB layout when using BZX85C4V7-TR?
- It's important to minimize trace lengths and keep the Zener diode close to the components it is protecting to ensure effective transient suppression and voltage regulation.