1N4748PE3/TR8 - Semiconductor Diode Encyclopedia Entry
Introduction
The 1N4748PE3/TR8 is a semiconductor diode belonging to the category of Zener diodes. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
Basic Information Overview
- Category: Zener diode
- Use: Voltage regulation, voltage reference
- Characteristics: Reverse breakdown voltage, low impedance, stable voltage output
- Package: DO-41
- Essence: Semiconductor diode for precision voltage regulation
- Packaging/Quantity: Typically available in reels or tubes containing multiple units
Specifications
- Voltage: 22V
- Power Dissipation: 1.0W
- Operating Temperature Range: -65°C to +200°C
- Tolerance: ±5%
Detailed Pin Configuration
The 1N4748PE3/TR8 Zener diode has two pins: 1. Anode (A) 2. Cathode (K)
Functional Features
- Precise voltage regulation
- Low dynamic impedance
- Reliable voltage reference
- Fast response time
Advantages and Disadvantages
Advantages
- Stable voltage output
- Wide operating temperature range
- Compact package size
- Low cost
Disadvantages
- Limited power dissipation capability
- Sensitivity to reverse voltage spikes
Working Principles
The 1N4748PE3/TR8 Zener diode operates based on the principle of the Zener effect, where it maintains a constant voltage across its terminals when operated in the reverse breakdown region. This allows it to regulate voltage within a specified range.
Detailed Application Field Plans
The 1N4748PE3/TR8 Zener diode finds applications in various fields, including: - Voltage regulators - Power supplies - Signal clamping circuits - Voltage references - Overvoltage protection circuits
Detailed and Complete Alternative Models
Some alternative models to the 1N4748PE3/TR8 Zener diode include: - 1N4733A - BZX55C22 - 1N5226B - 1N751A
In conclusion, the 1N4748PE3/TR8 Zener diode is a reliable component for precision voltage regulation and reference applications, offering stable performance and wide applicability across different electronic circuits.
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What is the 1N4748PE3/TR8 diode used for?
- The 1N4748PE3/TR8 is a Zener diode commonly used for voltage regulation and protection in electronic circuits.
What is the voltage rating of the 1N4748PE3/TR8 diode?
- The 1N4748PE3/TR8 has a nominal Zener voltage of 22V, making it suitable for applications requiring stable voltage references.
How does the 1N4748PE3/TR8 diode regulate voltage?
- The 1N4748PE3/TR8 operates in the reverse breakdown region, maintaining a constant voltage drop across its terminals, effectively regulating the output voltage.
Can the 1N4748PE3/TR8 be used for overvoltage protection?
- Yes, the 1N4748PE3/TR8 can be employed to protect sensitive components from overvoltage conditions by shunting excess voltage to ground.
What are the typical applications of the 1N4748PE3/TR8 diode?
- Common applications include voltage regulators, voltage references, surge suppressors, and precision power supplies.
What is the maximum power dissipation of the 1N4748PE3/TR8 diode?
- The 1N4748PE3/TR8 has a maximum power dissipation of 1.3W, allowing it to handle moderate power levels in circuit designs.
Is the 1N4748PE3/TR8 suitable for high-frequency applications?
- While it can function at moderate frequencies, the 1N4748PE3/TR8 is not optimized for high-frequency operation due to its inherent capacitance and response time.
Does the 1N4748PE3/TR8 require a heatsink in certain applications?
- In high-power or continuous operation scenarios, a heatsink may be necessary to ensure the diode remains within its safe operating temperature range.
What are the temperature considerations for the 1N4748PE3/TR8?
- The 1N4748PE3/TR8 has a specified operating temperature range of -65°C to +200°C, making it suitable for a wide range of environments.
Are there any alternatives to the 1N4748PE3/TR8 with similar characteristics?
- Yes, other Zener diodes with comparable voltage ratings and power dissipation capabilities, such as the 1N4748A or BZX85C22, can serve as alternatives in certain applications.