1N5254A - Diode Zener Single 15V 5% 500mW 2-Pin DO-35
Product Overview
Category
The 1N5254A is a diode zener, specifically a single 15V 5% 500mW 2-pin DO-35 package.
Use
This diode zener is commonly used in electronic circuits to regulate voltage and protect sensitive components from overvoltage conditions.
Characteristics
- Voltage: 15V
- Tolerance: ±5%
- Power Dissipation: 500mW
- Package Type: DO-35
- Number of Pins: 2
Packaging/Quantity
The 1N5254A is typically available in tape and reel packaging with varying quantities depending on the supplier.
Specifications
- Voltage - Zener (Nom) (Vz): 15V
- Power - Max: 500mW
- Impedance (Max) (Zzt): 20 Ohm
- Current - Reverse Leakage @ Vr: 100nA @ 11V
- Tolerance: ±5%
Detailed Pin Configuration
The 1N5254A has a simple 2-pin configuration with the anode and cathode as its primary connections.
Functional Features
The 1N5254A functions as a voltage regulator by maintaining a constant output voltage across its terminals, even when there are variations in the input voltage.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Small form factor
- Low power dissipation
Disadvantages
- Limited current handling capability
- Susceptible to thermal runaway if not properly heatsinked
Working Principles
When the voltage across the 1N5254A exceeds its rated value, it begins conducting in the reverse direction, effectively clamping the voltage to its specified level.
Detailed Application Field Plans
The 1N5254A finds applications in various electronic devices such as power supplies, voltage regulators, and protection circuits where stable voltage references are required.
Detailed and Complete Alternative Models
- 1N5239B: 9.1V Zener Diode
- 1N5240B: 10V Zener Diode
- 1N5241B: 11V Zener Diode
- 1N5242B: 12V Zener Diode
- 1N5243B: 13V Zener Diode
- 1N5244B: 14V Zener Diode
- 1N5245B: 16V Zener Diode
In conclusion, the 1N5254A diode zener serves as a crucial component in electronic circuits, providing precise voltage regulation and protection against overvoltage conditions. Its compact size and functional features make it suitable for a wide range of applications, although care must be taken to address its limitations in current handling and thermal management. Additionally, there are alternative models available to suit different voltage regulation requirements.
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What is 1N5254A?
- 1N5254A is a Zener diode, which is a type of semiconductor diode that allows current to flow in the forward direction like a normal diode, but also permits it to flow in the reverse direction when the voltage is above a certain value.
What is the voltage rating of 1N5254A?
- The voltage rating of 1N5254A is 27 volts.
What are the typical applications of 1N5254A?
- 1N5254A is commonly used for voltage regulation, voltage reference, and surge protection in various electronic circuits.
What is the maximum power dissipation of 1N5254A?
- The maximum power dissipation of 1N5254A is typically around 500 mW.
How does 1N5254A provide voltage regulation?
- 1N5254A operates in the reverse-biased breakdown region, where it maintains a nearly constant voltage drop across its terminals, providing a stable output voltage.
Can 1N5254A be used for overvoltage protection?
- Yes, 1N5254A can be used to protect sensitive components from overvoltage by shunting excess voltage away from the protected circuit.
What are the temperature considerations for 1N5254A?
- 1N5254A has a specified operating temperature range, typically from -65°C to +200°C, which should be considered for proper performance.
Is 1N5254A suitable for high-frequency applications?
- While 1N5254A can function at moderate frequencies, it may not be ideal for very high-frequency applications due to its inherent capacitance and response time.
What are the key parameters to consider when using 1N5254A in a circuit?
- Key parameters include the maximum voltage, current, power dissipation, and temperature range to ensure proper operation and reliability.
Are there any alternative components to 1N5254A with similar characteristics?
- Yes, there are other Zener diodes with comparable voltage ratings and characteristics, such as 1N5221B, 1N5225B, and 1N5234B, which can be considered based on specific application requirements.