1N4749A R0G
Product Overview
Category
The 1N4749A R0G belongs to the category of Zener diodes.
Use
It is commonly used for voltage regulation and voltage reference applications.
Characteristics
- Voltage: 24V
- Power Dissipation: 1W
- Tolerance: ±5%
- Package Type: DO-41
- Operating Temperature Range: -65°C to +200°C
Packaging/Quantity
The 1N4749A R0G is typically available in reels or bulk packaging, with quantities varying based on supplier and customer requirements.
Specifications
- Zener Voltage: 24V
- Maximum Reverse Leakage Current: 5μA
- Maximum Zener Impedance: 20Ω
- Maximum Temperature Coefficient: 0.05%/°C
Detailed Pin Configuration
The 1N4749A R0G has two pins, anode (A) and cathode (K), which are identified by the polarity band on the diode body.
Functional Features
The 1N4749A R0G provides a stable voltage output when operated in its reverse breakdown region, making 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
- Relatively low tolerance compared to precision voltage references
Working Principles
When the 1N4749A R0G is reverse-biased beyond its breakdown voltage, it allows current to flow in the reverse direction, maintaining a nearly constant voltage across its terminals.
Detailed Application Field Plans
The 1N4749A R0G is widely used in: - Voltage regulators - Voltage references - Overvoltage protection circuits - Signal clamping circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4749A R0G include: - 1N4733A (5.1V) - 1N4736A (6.2V) - 1N4742A (12V) - 1N4754A (27V)
In conclusion, the 1N4749A R0G Zener diode offers precise voltage regulation and finds extensive use in various electronic circuits requiring stable voltage references.
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What is the 1N4749A R0G?
- The 1N4749A R0G is a Zener diode with a voltage rating of 24V and a power rating of 1W.
What are the typical applications of the 1N4749A R0G?
- 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 1N4749A R0G?
- The maximum current for reliable operation is typically around 50-60 mA.
How does the 1N4749A R0G provide voltage regulation?
- The Zener diode conducts current in reverse-bias at its breakdown voltage, providing a relatively constant voltage across its terminals.
Can the 1N4749A R0G be used for voltage clamping?
- Yes, it can be used to limit the voltage across a load by diverting excess current when the voltage exceeds the Zener voltage.
What are the key specifications to consider when using the 1N4749A R0G in a circuit?
- Key specifications include the breakdown voltage (24V), power dissipation (1W), and maximum current.
Is the 1N4749A R0G suitable for precision voltage references?
- While it provides a stable voltage, it may not be suitable for high-precision applications due to its tolerance and temperature coefficient.
Can multiple 1N4749A R0G diodes be connected in series or parallel?
- Yes, they can be connected in series to create higher voltage references or in parallel to share current in high-power applications.
What are the typical operating conditions for the 1N4749A R0G?
- It operates within a specified temperature range and should be protected from excessive current and voltage spikes.
Are there any alternative components that can be used in place of the 1N4749A R0G?
- Other Zener diodes with similar voltage ratings and power dissipation capabilities can be considered as alternatives.