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1N4734A

Name: 1N4734A
Rating: 4.7 (12 reviews)

DIODE ZENER 5.6 V 1W DO-41G

Производитель
Мфр. Часть #1N4734A
Пакет DO-204
Лист данных 1N4734A DataSheet
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Спецификации

Package	Tape & Reel (TR)
ProductStatus	Active
Voltage-Zener(Nom)(Vz)	5.6 V
Tolerance	±5%
Power-Max	1 W
Impedance(Max)(Zzt)	5 Ohms
Current-ReverseLeakage@Vr	10 µA @ 3 V
Voltage-Forward(Vf)(Max)@If	1 V @ 100 mA
MountingType	Through Hole
Package/Case	DO-204AL, DO-41, Axial

Обзор

Description

The 1N4734A is a Zener diode designed for voltage regulation in electronic circuits. It has a nominal reverse breakdown voltage of 5.1 volts and can regulate and stabilize this voltage across varying loads. The diode is constructed to handle a maximum power dissipation of 1 watt, making it suitable for many applications where voltage stability is crucial.
The 1N4734A is part of the 1N47xx series, which includes Zener diodes with various voltage ratings ranging from 3.3V to 75V. It features a robust glass package, ensuring reliability and durability. The diode operates effectively in both low and high-temperature environments and is often used in power supplies, voltage reference circuits, and as a protective element against voltage spikes.
Key specifications include a Zener impedance of 30 ohms at a test current of 25 mA and a maximum reverse current of 100 mA. Overall, the 1N4734A is a versatile component widely utilized in electronic design for voltage regulation applications.

Features

The 1N4734A is a Zener diode that provides voltage regulation and protection in electronic circuits. Key features include:
- Zener Voltage: 5.1V nominal reverse breakdown voltage.
- Power Rating: 1W maximum power dissipation, enabling effective voltage regulation.
- Temperature Coefficient: Approximately 0.1% per °C, allowing for stable performance across varying temperatures.
- Package Type: Axial-leaded, making it easy to integrate into PCBs.
- Reverse Current: Low reverse leakage current, ensuring efficient operation.
- Tight Tolerance: Specified tolerance levels for reliable voltage clamping.
- Applications: Commonly used in voltage regulation, overvoltage protection, and reference voltage applications in power supplies and circuits.
- Robustness: High reliability with a wide operating temperature range, typically from -55°C to +175°C.
These attributes make the 1N4734A suitable for various electronic applications requiring stable voltage regulation.

Package

The 1N4734A is typically packaged in a DO-41 (also known as DO-204AC) glass package. This package type is cylindrical and designed for through-hole mounting, providing adequate thermal dissipation for the Zener diode.

Pinout

The 1N4734A is a Zener diode, primarily used for voltage regulation. It comes in a DO-41 package, which has two pins. The pin functions are as follows:
1. Anode (Pin 1): This is the negative side of the diode, where current flows into the diode when it is forward-biased.
2. Cathode (Pin 2): This is the positive side, marked with a band, and is the side where the Zener voltage is referenced.
The 1N4734A has a Zener voltage of 5.1 volts and can handle a maximum power dissipation of 1 watt. It's commonly used in various electronic applications for voltage clamping and regulation.

Manufacturer

The 1N4734A is a Zener diode manufactured by several companies, including ON Semiconductor, Vishay, and STMicroelectronics. These manufacturers are prominent players in the semiconductor industry, specializing in the design and production of electronic components and systems.
ON Semiconductor focuses on providing a wide range of semiconductor solutions for various applications, including automotive, industrial, and consumer electronics. Vishay is known for its diverse portfolio of passive and active electronic components, serving multiple sectors like telecommunications and automotive. STMicroelectronics specializes in microcontrollers, sensors, and power management devices, catering to a variety of markets, including consumer and industrial applications.
Overall, these companies contribute significantly to the innovation and functionality of electronic devices through their semiconductor products.

Application

The 1N4734A is a Zener diode designed for voltage regulation and voltage clamping applications. It is commonly used in power supply circuits to maintain a stable output voltage, protect sensitive components from voltage spikes, and provide reference voltages in various electronic circuits. Its breakdown voltage of 5.1V makes it suitable for low-voltage applications in consumer electronics, automotive systems, and industrial equipment.

Equivalent

The 1N4734A is a Zener diode with a breakdown voltage of 5.1V and a power rating of 1W. Equivalent products include 1N5221B (5.1V, 1W), BZX55C5V1, and 1N5251B (5.1V, 2W). Always verify specifications for exact applications.

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