1N4761A TR

Product Overview

Use

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

Characteristics

Zener voltage: 27V
Power dissipation: 1.3W
Package type: DO-41
Operating temperature range: -65°C to +200°C

Packaging/Quantity

The 1N4761A TR is typically available in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

Zener voltage: 27V
Power dissipation: 1.3W
Forward voltage: 1.5V
Reverse current: 5µA
Temperature coefficient: 5mV/°C

Detailed Pin Configuration

The 1N4761A TR has two pins, anode (A) and cathode (K), which are identified by the polarity band on the body of the diode.

Functional Features

The 1N4761A TR operates as a voltage regulator by maintaining a constant output voltage across its terminals, even when there are variations in input voltage or load conditions.

Advantages and Disadvantages

Advantages

Precise voltage regulation
High power dissipation capability
Wide operating temperature range

Disadvantages

Limited voltage options compared to other Zener diodes
Sensitive to temperature changes

Working Principles

When the voltage across the 1N4761A TR exceeds its specified Zener voltage, it begins to conduct in the reverse direction, effectively regulating the voltage across its terminals.

Detailed Application Field Plans

The 1N4761A TR is widely used in: - Voltage regulators - Voltage references - Overvoltage protection circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4761A TR include: - 1N4749A TR (Zener voltage: 24V) - 1N4752A TR (Zener voltage: 33V) - BZX85C27 (Zener voltage: 27V)

In conclusion, the 1N4761A TR Zener diode is a reliable component for voltage regulation and reference applications, offering precise regulation and high power dissipation capabilities. Its wide operating temperature range makes it suitable for various electronic systems, although it may be sensitive to temperature changes and offers limited voltage options compared to other Zener diodes. When considering alternatives, the 1N4761A TR can be substituted with similar Zener diodes such as the 1N4749A TR, 1N4752A TR, or BZX85C27, depending on specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4761A TR v technických řešeních

Sure, here are 10 common questions and answers related to the application of 1N4761A TR:

What is the 1N4761A TR?
- The 1N4761A TR is a Zener diode with a voltage rating of 27V and a power rating of 1W.
What is the typical application of 1N4761A TR?
- It is commonly used as a voltage regulator in various electronic circuits to maintain a constant output voltage.
How does the 1N4761A TR work as a voltage regulator?
- When the input voltage exceeds the Zener voltage (27V), the diode conducts and maintains a nearly constant output voltage.
What are the key specifications of 1N4761A TR?
- The key specifications include its Zener voltage (27V), power rating (1W), and maximum forward current.
Can 1N4761A TR be used for overvoltage protection?
- Yes, it can be used to protect sensitive components from overvoltage by shunting excess voltage to ground.
What are the typical operating conditions for 1N4761A TR?
- It operates within a specified range of temperatures and current levels, which should be considered in the circuit design.
Is 1N4761A TR suitable for high-frequency applications?
- It may not be ideal for high-frequency applications due to its inherent capacitance and response time.
How do I select the right resistor for 1N4761A TR in a voltage regulator circuit?
- The resistor value can be calculated using Ohm's law and the desired output current to ensure proper regulation.
Can multiple 1N4761A TR diodes be connected in series or parallel?
- Yes, they can be connected in series to achieve higher breakdown voltages or in parallel to handle higher currents.
Are there any precautions to consider when using 1N4761A TR?
- It's important to consider the power dissipation and thermal management to prevent overheating and ensure reliability.

I hope these questions and answers provide a good overview of the application of 1N4761A TR in technical solutions. Let me know if you need further information on any specific aspect!