1N746A BK - Encyclopedia Entry
Introduction
The 1N746A BK is a semiconductor diode belonging to the category of Zener diodes. This entry provides an overview of its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.
Basic Information Overview
- Category: Zener Diode
- Use: Voltage regulation, voltage reference
- Characteristics: Reverse breakdown voltage, low dynamic impedance, temperature stability
- Package: Axial leaded, through-hole
- Essence: Semiconductor diode for voltage regulation
- Packaging/Quantity: Typically available in reels or bulk packaging
Specifications
- Voltage Range: 3.3V to 75V
- Power Dissipation: 500mW
- Operating Temperature: -65°C to +200°C
- Zener Impedance: 5Ω to 100Ω
Detailed Pin Configuration
The 1N746A BK typically has two leads with the cathode marked by a black band or a similar indicator. The anode is connected to the non-banded end.
Functional Features
- Voltage Regulation: Maintains a constant voltage across its terminals.
- Temperature Stability: Exhibits stable performance over a wide temperature range.
- Low Dynamic Impedance: Allows for efficient current flow at the breakdown voltage.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Sensitivity to reverse voltage spikes
Working Principles
The 1N746A BK operates based on the principle of the Zener effect, where it maintains a nearly constant voltage across its terminals when operated in the reverse breakdown region.
Detailed Application Field Plans
The 1N746A BK finds applications in various electronic circuits such as: - Voltage regulators - Overvoltage protection circuits - Voltage reference sources - Signal clamping circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N746A BK include: - 1N4733A: 5.1V Zener diode - 1N5226B: 3.3V Zener diode - BZX85C10: 10V Zener diode
In conclusion, the 1N746A BK Zener diode offers precise voltage regulation and temperature stability, making it suitable for a wide range of electronic applications.
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What is the 1N746A BK diode used for?
- The 1N746A BK diode is commonly used for voltage regulation and protection in various technical solutions.
What is the maximum forward voltage of the 1N746A BK diode?
- The maximum forward voltage of the 1N746A BK diode is typically around 1.0V at a forward current of 10mA.
What is the reverse breakdown voltage of the 1N746A BK diode?
- The reverse breakdown voltage of the 1N746A BK diode is 6.8V, making it suitable for applications requiring voltage clamping or regulation.
Can the 1N746A BK diode be used for overvoltage protection?
- Yes, the 1N746A BK diode can be used for overvoltage protection due to its reverse breakdown characteristics.
What are the typical applications of the 1N746A BK diode?
- Typical applications include voltage regulation, overvoltage protection, and general purpose diode applications in electronic circuits.
What is the power dissipation of the 1N746A BK diode?
- The power dissipation of the 1N746A BK diode is approximately 500mW, allowing it to handle moderate power levels.
Is the 1N746A BK diode suitable for low current applications?
- Yes, the 1N746A BK diode is suitable for low current applications due to its low leakage current and forward voltage characteristics.
Can the 1N746A BK diode be used in temperature-sensitive environments?
- The 1N746A BK diode has a wide operating temperature range and can be used in temperature-sensitive environments with proper thermal considerations.
What is the packaging type of the 1N746A BK diode?
- The 1N746A BK diode is commonly available in a DO-35 glass axial package, which is suitable for through-hole mounting.
Are there any equivalent alternatives to the 1N746A BK diode?
- Yes, similar diodes such as the 1N4148 or 1N4001 can be used as alternatives depending on specific application requirements.