1N4747A BK

Product Overview

Category:

The 1N4747A BK belongs to the category of Zener diodes.

Use:

It is commonly used for voltage regulation and voltage reference applications.

Characteristics:

Zener voltage: 20V
Power dissipation: 1.0W
Package type: DO-41
Operating temperature range: -65°C to +200°C
Packaging/quantity: Bulk pack of 100 units

Essence:

The 1N4747A BK is an essential component in electronic circuits for maintaining a stable voltage output.

Specifications

Zener voltage: 20V
Power dissipation: 1.0W
Maximum forward voltage: 1.2V
Reverse current: 5μA
Temperature coefficient: 0.05%/°C

Detailed Pin Configuration

The 1N4747A BK has two pins, with the cathode being shorter than the anode. The pinout configuration is as follows: - Pin 1 (Anode) - Pin 2 (Cathode)

Functional Features

Precise voltage regulation
Low reverse leakage current
High reliability
Fast response time

Advantages

Accurate voltage regulation
Wide operating temperature range
Compact package size

Disadvantages

Limited power dissipation capability
Sensitive to temperature variations

Working Principles

The 1N4747A BK operates based on the Zener effect, where it maintains a constant voltage across its terminals when reverse-biased.

Detailed Application Field Plans

The 1N4747A BK finds extensive use in various electronic applications, including: - Voltage regulators - Voltage references - Overvoltage protection circuits - Signal clamping circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4747A BK include: - 1N4739A - 1N4742A - 1N4744A - 1N4748A

In conclusion, the 1N4747A BK is a crucial component in electronic circuits, providing precise voltage regulation and finding widespread application in diverse electronic systems.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4747A BK v technických řešeních

What is the 1N4747A BK diode used for?
- The 1N4747A BK diode is commonly used as a voltage regulator in various technical solutions.
What is the maximum voltage rating of the 1N4747A BK diode?
- The maximum voltage rating of the 1N4747A BK diode is 20 volts.
What is the typical current rating of the 1N4747A BK diode?
- The typical current rating of the 1N4747A BK diode is 1 watt.
How does the 1N4747A BK diode regulate voltage?
- The 1N4747A BK diode regulates voltage by maintaining a constant voltage drop across its terminals, regardless of changes in input voltage or load.
Can the 1N4747A BK diode be used in reverse polarity protection circuits?
- Yes, the 1N4747A BK diode can be used in reverse polarity protection circuits to prevent damage from reverse voltage.
What are some common applications of the 1N4747A BK diode?
- Common applications of the 1N4747A BK diode include power supplies, voltage regulators, and signal conditioning circuits.
What is the temperature range for the 1N4747A BK diode?
- The 1N4747A BK diode typically operates within a temperature range of -65°C to +200°C.
Is the 1N4747A BK diode suitable for high-frequency applications?
- The 1N4747A BK diode is not typically recommended for high-frequency applications due to its inherent capacitance and response time.
Can multiple 1N4747A BK diodes be connected in series or parallel?
- Multiple 1N4747A BK diodes can be connected in series to increase the breakdown voltage, but connecting them in parallel is not recommended due to current imbalance issues.
Are there any specific soldering or handling precautions for the 1N4747A BK diode?
- When soldering the 1N4747A BK diode, it's important to avoid excessive heat and mechanical stress to prevent damage to the component. Additionally, proper ESD (electrostatic discharge) precautions should be followed during handling to avoid static damage.