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1N4733A

Name: 1N4733A
Rating: 4.7 (12 reviews)

DIODE ZENER 5.1 V 1W DO-41G

製造商
製造商。部分 #1N4733A
包 DO-204
資料表 1N4733A DataSheet
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規格

Package	Tape & Reel (TR)
ProductStatus	Active
Voltage-Zener(Nom)(Vz)	5.1 V
Tolerance	±5%
Power-Max	1 W
Impedance(Max)(Zzt)	7 Ohms
Current-ReverseLeakage@Vr	10 µA @ 1 V
Voltage-Forward(Vf)(Max)@If	1 V @ 100 mA
MountingType	Through Hole
Package/Case	DO-204AL, DO-41, Axial

概述

Description

The 1N4733A is a Zener diode designed for voltage regulation applications. It has a nominal Zener voltage of 5.1 volts and is part of the 1N47xx series, which features a wide range of Zener voltage options. The 1N4733A can handle a power dissipation of up to 1 watt, making it suitable for moderate power applications.
Its specifications include a reverse leakage current of approximately 25 µA at the Zener voltage and a maximum reverse voltage of 37 volts. The diode is commonly used in voltage reference circuits, transient voltage suppressors, and overvoltage protection circuits.
The 1N4733A is housed in a DO-41 package, which allows for easy mounting and thermal dissipation. It is critical to ensure proper heat sinking to maintain reliable operation in high-power scenarios. Overall, the 1N4733A is a versatile component in electronics, widely used due to its reliability and cost-effectiveness.

Features

The 1N4733A is a Zener diode designed for voltage regulation. Key features include:
- Zener Voltage: 5.1V nominal, providing stable reference voltage.
- Power Rating: 1W, allowing it to dissipate heat effectively under load.
- Current Rating: Maximum Zener test current (Iz) at 20mA for optimal performance.
- Temperature Coefficient: Typically 0.1%/°C, ensuring stable performance over varying temperatures.
- Package Type: Available in DO-41 (axial-leaded) for easy integration into circuits.
- Reverse Breakdown Voltage: Provides a reliable voltage clamp for protection against overvoltage.
- Low Leakage Current: Ensures minimal current loss, enhancing efficiency.
- Durability: Designed to withstand high temperatures and transient conditions.
These features make the 1N4733A suitable for various applications such as voltage regulation, surge protection, and reference voltage sources in electronic circuits.

Package

The 1N4733A is typically packaged in a DO-41 (also known as DO-204AL) cylindrical glass package. It features a metal end cap and is designed for through-hole mounting in electronic circuits.

Pinout

The 1N4733A is a Zener diode, specifically designed for voltage regulation. It typically comes in a DO-41 package, which has two pins. The primary function of the 1N4733A is to provide a stable reference voltage of 5.1V when reverse-biased.
Pin Count: 2
Pin Functions:
1. Anode (A): This is the positive terminal of the diode, connected to the lower potential side of the circuit.
2. Cathode (K): This is the negative terminal, where the regulated voltage is output; it is connected to the higher potential side.
The diode is used in various applications, such as voltage regulation, clamping, and protection circuits, making it suitable for both consumer and industrial electronic devices. Its maximum power dissipation is typically around 1W, and it can handle reverse voltage up to 38V.

Manufacturer

The 1N4733A is a Zener diode manufactured by various companies, with Bourns, ON Semiconductor, and Vishay among the most prominent producers. These companies operate in the electronics component industry, specializing in the design and manufacturing of semiconductors and passive components for a wide range of applications, including consumer electronics, telecommunications, automotive, and industrial sectors. Bourns, for example, is known for its extensive portfolio of electronic components, while ON Semiconductor focuses on energy-efficient solutions, and Vishay offers a broad spectrum of electronic components, including diodes, resistors, and capacitors. These manufacturers are integral to global supply chains in electronics, providing essential components that enable the functionality of electronic devices.

Application

The 1N4733A is a Zener diode primarily used for voltage regulation and reference applications. It provides a stable output voltage of 5.1V and is commonly employed in power supplies, voltage clamping, transient voltage suppression, and protection circuits. It is also utilized in signal conditioning and biasing applications, ensuring consistent performance in electronic devices.

Equivalent

The 1N4733A is a 5.1V Zener diode. Equivalent products include:
- 1N5221B (5.1V)
- 1N5860B (5.1V, higher power rating)
- BZX55C5V1 (5.1V)
- BZX79C5.1 (5.1V, higher precision)
Always check the specifications for current, power rating, and reverse leakage to ensure compatibility.