1N4740AHR1G - Semiconductor Diode
Basic Information Overview
- Category: Semiconductor Diode
- Use: Voltage Regulator
- Characteristics: Zener diode, low leakage current, high reliability
- Package: DO-41
- Essence: Provides stable voltage regulation in electronic circuits
- Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier
Specifications
- Voltage: 10V
- Power Dissipation: 1W
- Zener Voltage Tolerance: ±5%
- Operating Temperature Range: -65°C to +200°C
- Forward Voltage: 1.2V
- Reverse Current: 5µA
Detailed Pin Configuration
The 1N4740AHR1G has two pins, anode (A) and cathode (K), with the cathode being marked by a band on the diode body.
Functional Features
- Provides a constant voltage output when reverse biased
- Protects sensitive components from voltage spikes
- Ensures stable voltage levels in electronic circuits
Advantages and Disadvantages
Advantages: - Precise voltage regulation - Low leakage current - High reliability
Disadvantages: - Limited power dissipation capability - Voltage tolerance may not be suitable for some applications
Working Principles
The 1N4740AHR1G operates based on the Zener effect, where it maintains a nearly constant voltage across its terminals when reverse biased, allowing it to regulate voltage in electronic circuits.
Detailed Application Field Plans
- Voltage regulation in power supplies
- Overvoltage protection in electronic circuits
- Signal clamping and limiting
Detailed and Complete Alternative Models
- 1N4739AHR1G (8.2V Zener voltage)
- 1N4741AHR1G (11V Zener voltage)
- BZX55C10 (10V Zener voltage)
This completes the entry for the 1N4740AHR1G semiconductor diode, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
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What is the 1N4740AHR1G?
- The 1N4740AHR1G is a Zener diode with a voltage rating of 10V and a power rating of 1W.
What are the typical applications of the 1N4740AHR1G?
- It is commonly used for voltage regulation, voltage reference, and overvoltage protection in various electronic circuits.
What is the maximum current that can flow through the 1N4740AHR1G?
- The maximum current for the 1N4740AHR1G is typically around 100mA.
How does the 1N4740AHR1G provide voltage regulation?
- The Zener diode operates in the reverse-biased breakdown region, maintaining a nearly constant voltage across its terminals.
Can the 1N4740AHR1G be used for voltage clamping?
- Yes, it can be used to limit the voltage across a circuit by diverting excess current when the voltage exceeds its rated value.
What are the key specifications to consider when using the 1N4740AHR1G in a design?
- Key specifications include the voltage rating, power dissipation, and temperature coefficient.
Is the 1N4740AHR1G suitable for precision voltage references?
- While it can provide a stable voltage reference, its precision may not be as high as specialized voltage reference components.
What are the typical operating conditions for the 1N4740AHR1G?
- It is designed to operate within a specified temperature range and should be protected from excessive current and voltage spikes.
Can multiple 1N4740AHR1G diodes be connected in series or parallel?
- Yes, they can be connected in series to increase the breakdown voltage or in parallel to share the current load.
Are there any alternative components that can be used in place of the 1N4740AHR1G?
- Similar Zener diodes with different voltage ratings and power dissipation capabilities can be considered as alternatives based on specific application requirements.