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MUR840G

Name: MUR840G
Rating: 4.7 (12 reviews)

DIODE STANDARD 400V 8A TO2202

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資料表 MUR840G DataSheet
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規格

Series	SWITCHMODE™
Part Status	Active
Base Product Number	MUR840
Voltage - DC Reverse (Vr) (Max)	400 V
Current - Average Rectified (Io)	8A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 8 A
Current - Reverse Leakage @ Vr	10 µA @ 400 V
Mounting Type	Through Hole
Package	TO-220-2
Supplier Device Package	TO-220-2
Operating Temperature - Junction	-65°C ~ 175°C
Packaging	Tube
Technology	Standard
Speed	Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)	60 ns

概述

Description

MUR840G is a type of silicon rectifier diode designed for high-efficiency switching applications. It features a maximum repetitive reverse voltage (V_RRM) of 40 volts and a forward current (I_F) rating of 8 amps. This diode is commonly used in power supplies, converters, and motor drive circuits due to its low forward voltage drop and fast switching capabilities. The MUR840G is known for its robustness and reliability, making it suitable for various electronic designs.
Key characteristics include a low leakage current and high surge current handling, which enhances its performance in demanding environments. Additionally, it is often packaged in a popular TO-220 form factor, facilitating easy integration into existing circuits. Its operational temperature range allows for versatility in different applications, making it a preferred choice for engineers looking for efficient rectification solutions in their designs.

Features

The MUR840G is a high-performance ultra-fast rectifier diode, commonly used in power electronics applications. Key features include:
1. Voltage Rating: It can handle reverse voltages up to 800V, making it suitable for various high-voltage applications.

2. Current Rating: It has a forward current rating of 4A, allowing it to manage significant load currents efficiently.
3. Fast Recovery: The diode features a fast recovery time, reducing switching losses in high-frequency applications.
4. Low Forward Voltage Drop: This characteristic minimizes power loss during operation, enhancing overall efficiency.
5. Thermal Resistance: The MUR840G has a low thermal resistance, enabling better heat dissipation and reliability under operation.
6. Package Options: Typically available in DO-214AC (SMB) package, ideal for surface mount applications.
These features make the MUR840G suitable for use in switching power supplies, voltage clamping, and other power management tasks.

Package

The MUR840G is packaged in a DO-214AA format, also known as SMA (Surface-Mount package). This package type is commonly used for surface mount applications, providing efficient heat dissipation and compact design suitable for various electronic circuits.

Pinout

The MUR840G is a fast recovery diode designed for high-speed switching applications. It typically comes in a TO-220 package, which has three pins.
Pin Count and Functions:
1. Anode (A): The positive terminal where the current enters the diode.
2. Cathode (K): The negative terminal where the current exits. This pin is also marked with a band on the diode body.
3. Tab: The tab is often connected to the cathode and can be used for heat dissipation.
The MUR840G is rated for a maximum repetitive reverse voltage of 40V and a forward current of 8A, making it suitable for rectification in power supplies, motor control, and inverter applications. Its fast recovery time enhances efficiency in switching circuits.

Manufacturer

The MUR840G is a product manufactured by ON Semiconductor, a leading semiconductor company. ON Semiconductor focuses on designing and manufacturing a wide range of semiconductor solutions, including power management, analog, image sensing, logic, and custom devices. The company serves various industries such as automotive, industrial, telecommunications, and consumer electronics. ON Semiconductor is known for its commitment to innovation and sustainability, providing high-performance products that meet the evolving needs of technology markets.

Application

MUR840G is a high-performance rectifier diode commonly used in power electronics applications. Its key areas include power supply circuits, DC-DC converters, motor drives, battery chargers, and renewable energy systems like solar inverters. Its fast switching speed and high current capacity make it suitable for high-frequency applications and efficient power conversion in industrial and consumer electronics.

Equivalent

The MUR840G is a Schottky diode with a 40V reverse voltage rating and 8A forward current. Equivalent products include the 1N5820, 1N5821, and 1N5822, which are also Schottky diodes with similar specifications. Additionally, the STPS8H40 and SRD8S40 are alternatives that can be used depending on the application requirements. Always verify the specific characteristics and ratings before substituting components.