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1N4702 BK
Product Overview
Category:
The 1N4702 BK is a semiconductor diode belonging to the category of Zener diodes.
Use:
It is commonly used for voltage regulation and voltage reference applications.
Characteristics:
- The 1N4702 BK has a specified voltage (Vz) of 6.8V and a power dissipation of 1.0W.
- It operates in the reverse breakdown region, maintaining a nearly constant voltage across its terminals.
Package:
The 1N4702 BK is typically available in a DO-41 axial leaded package.
Packaging/Quantity:
It is usually supplied in reels or bulk packaging, with quantities varying based on manufacturer and distributor specifications.
Specifications
- Voltage (Vz): 6.8V
- Power Dissipation: 1.0W
- Package Type: DO-41
- Maximum Operating Temperature: 200°C
- Zener Test Current: 20mA
Detailed Pin Configuration
The 1N4702 BK Zener diode has two leads, with the cathode being marked by a black band or a similar indicator.
Functional Features
The primary function of the 1N4702 BK Zener diode is to maintain a constant voltage across its terminals when operated in the reverse breakdown region. This makes it suitable for voltage regulation and reference applications.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Compact size
- Wide operating temperature range
Disadvantages
- Limited power dissipation capability
- Sensitivity to temperature variations
Working Principles
When the 1N4702 BK Zener diode is reverse biased and the voltage across its terminals exceeds the specified breakdown voltage (Vz), it begins to conduct current, effectively clamping the voltage at Vz.
Detailed Application Field Plans
The 1N4702 BK Zener diode finds application in various voltage regulation circuits, including: - Voltage stabilizers - Voltage references - Overvoltage protection circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4702 BK Zener diode include: - 1N4738A - BZX55C6V8 - 6EZ6V8
In conclusion, the 1N4702 BK Zener diode is a fundamental component in voltage regulation and reference circuits, offering precise voltage control within a compact form factor. Its characteristics make it suitable for a wide range of applications, from simple voltage clamping to more complex voltage regulation systems.
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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem 1N4702 BK w rozwiązaniach technicznych
What is the 1N4702 BK diode used for?
- The 1N4702 BK diode is commonly used for voltage regulation and rectification in various electronic circuits.
What are the key specifications of the 1N4702 BK diode?
- The 1N4702 BK is a silicon power rectifier diode with a maximum repetitive reverse voltage of 1000V and a forward current of 1A.
Can the 1N4702 BK diode be used for high voltage applications?
- Yes, the 1N4702 BK diode is suitable for high voltage applications due to its 1000V maximum repetitive reverse voltage rating.
Is the 1N4702 BK diode suitable for use in power supply circuits?
- Yes, the 1N4702 BK diode is commonly used in power supply circuits for rectification and voltage regulation.
What are the typical applications of the 1N4702 BK diode?
- Typical applications include AC/DC converters, inverters, power supplies, and general purpose rectification circuits.
What is the forward voltage drop of the 1N4702 BK diode?
- The forward voltage drop at a forward current of 1A is typically around 1V for the 1N4702 BK diode.
Does the 1N4702 BK diode require a heatsink for operation?
- It is recommended to use a heatsink when operating the 1N4702 BK diode at higher currents or in high ambient temperature environments.
Can the 1N4702 BK diode handle surge currents?
- Yes, the 1N4702 BK diode has a forward surge current rating of 30A, making it suitable for handling short-duration surge currents.
What is the temperature range for the 1N4702 BK diode?
- The 1N4702 BK diode is typically rated for operation within a temperature range of -65°C to 175°C.
Are there any alternative diodes that can be used in place of the 1N4702 BK?
- Yes, alternatives include diodes with similar voltage and current ratings such as the 1N400x series or the 1N540x series.