1N4744A

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1N4744A

DIODE ZENER 15V 1W DO41

100% gốc & amp; Mới

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Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Supplier SMC Diode Solutions
Package Cut Tape (CT),Tape & Box (TB)
ProductStatus Obsolete
Voltage-Zener(Nom)(Vz) 15 V
Tolerance ±5%
Power-Max 1 W
Impedance(Max)(Zzt) 14 Ohms
Current-ReverseLeakage@Vr 5 µA @ 11.4 V
Voltage-Forward(Vf)(Max)@If 1.2 V @ 200 mA
OperatingTemperature 200°C
MountingType Through Hole
Package/Case DO-204AL, DO-41, Axial

Tổng quan

Description

The 1N4744A is a silicon Zener diode commonly used for voltage regulation in electronic circuits. It has a reverse breakdown voltage of 10 volts, which allows it to maintain a stable output voltage despite variations in current. This diode belongs to the 1N4740A series, which includes various Zener diodes with different voltage ratings ranging from 5.1V to 75V.
Key specifications include a maximum power dissipation of 1 watt, a temperature coefficient of approximately -2.2 mV/°C, and a maximum reverse leakage current of 5 mA at 25°C. The 1N4744A is typically housed in a DO-41 package, making it suitable for both through-hole and PCB mounting.
It is widely used in applications such as voltage clamping, voltage regulation, and circuit protection. Its reliability and ease of use make it a popular choice for designers in various electronic projects.

Features

The 1N4744A is a Zener diode designed for voltage regulation and protection applications. Key features include:
- Zener Voltage: 10V, providing stable voltage regulation.
- Power Rating: 1W, suitable for moderate power applications.
- Reverse Voltage: Capable of withstanding reverse voltages up to a specified limit, ensuring durability.
- Tolerance: Typically ±5%, ensuring a reliable voltage output.
- Package Type: Available in DO-41 (axial lead) package, facilitating easy integration into circuits.
- Temperature Range: Operating temperature range from -55°C to +150°C, making it suitable for various environments.
- Low Noise: Provides low noise operation, which is beneficial in sensitive electronic applications.
- Applications: Commonly used in voltage regulation, surge protection, and reference voltage applications in consumer electronics, automotive, and industrial systems.
Overall, the 1N4744A is a versatile and reliable component for voltage regulation tasks.

Package

The 1N4744A is typically available in a DO-41 package type, which is a cylindrical glass envelope with axial leads. This package is designed for through-hole mounting and is commonly used for applications requiring voltage regulation.

Pinout

The 1N4744A is a zener diode with a pin count of two. It functions primarily as a voltage regulator, providing a stable reference voltage when reverse-biased. Specifically, the 1N4744A has a zener breakdown voltage of 10 volts, which means it will maintain this voltage across its terminals when reverse-biased above this level.
In practical applications, it is commonly used in power supplies, voltage clamping, and protection circuits to prevent overvoltage conditions. The diode's construction allows it to handle power dissipation up to a maximum of 1 watt, making it suitable for various electronic applications where voltage regulation is crucial.
Its two leads are typically marked as the anode and cathode, with the cathode usually identified by a band on the diode's body.

Manufacturer

The 1N4744A is a Zener diode commonly produced by several manufacturers, including Vishay, ON Semiconductor, and Nexperia. These companies are involved in the semiconductor industry, specializing in the design, manufacture, and distribution of electronic components such as diodes, transistors, and integrated circuits.
Vishay, for example, is a global leader in discrete semiconductors and passive components, serving various markets including automotive, industrial, and consumer electronics. ON Semiconductor focuses on energy-efficient solutions and offers a wide range of semiconductor products for various applications. Nexperia specializes in discrete, logic, and microcontroller products, emphasizing high quality and reliability.
These manufacturers contribute to the electronic component supply chain, providing essential components for a wide array of electronic devices and systems.

Application

The 1N4744A is a Zener diode used primarily for voltage regulation and reference in power supplies, voltage clamping, and over-voltage protection circuits. It provides stable reference voltages for various electronic applications, including consumer electronics, automotive systems, and communication devices. Its 10V Zener breakdown voltage makes it suitable for low-voltage circuit protection and biasing applications.

Equivalent

The 1N4744A is a Zener diode with a breakdown voltage of 10V and a power rating of 1W. Equivalent products include the 1N5240B (10V, 1W), BZX55C10 (10V, 1W), and 1N5220B (10V, 1W). Ensure that the replacement meets the same voltage ratings and power specifications for proper functionality.

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