Vishay’s 1N4007 diode rectifier in a DO-41 (DO-204AL) package
Rectifiers are diodes and are commonly used basic electronic components that convert alternating current (AC) into direct current (DC). A diode behaves as a one-way valve that allows current to flow in a single direction, a process known as rectification. Rectifiers play an important role in numerous devices and power supply systems, providing a unidirectional flow of electric current, which is essential for the proper functioning of many electrical and electronic components.
Rectifiers are essential components of DC power supplies for electronic devices, including household appliances and industrial machinery. They are crucial to battery charging systems, converting AC power to DC to charge batteries in electric vehicles, laptops, smartphones, and other portable devices. Moreover, rectifiers are used in various industrial processes that require a controlled DC voltage, such as electroplating, welding, and electrolysis. Below is a discussion of one type of rectifier, a 1N4007, by delving into the 1N4007 diode datasheet prepared by Vishay Intertechnology.
1N4007 Diode Datasheet: Features and Applications
The 1N4007 diode is a common rectifier and is part of the 1N400x series of diodes (1N4001, 1N4002, …, 1N4007) based on voltage and current ratings. The 1N4007 diode has a maximum peak repetitive reverse voltage of 1,000 volts and an average rectified forward current of 1 ampere. It is typically used in rectification applications in electronic circuits, converting alternating current (AC) to direct current (DC). The diode is lead-free and compliant with the EU’s Restriction of Hazardous Substances Directive (RoHS), which sets limits on the amount of hazardous chemicals in electronics.
As described in the 1N4007 diode datasheet, the diode’s features and applications include:
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1N4007 Diode Features and Applications |
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Key Features |
Common Applications |
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Low forward voltage drop |
General purpose rectification of power supplies |
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Low leakage current and reverse current |
Inverters and Converters |
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High forward surge capability |
Freewheeling diode applications |
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Solder dip 275 °C max. 10 s, per JESD 22-B106 |
Current flow regulators |
1N4007: Architecture and Operation
From the IN4007 diode datasheet, the outline dimensions for Vishay’s DO-41 (DO-204AL) package are shown below.
The primary characteristics of the 1N4007, are presented below:
1N4007: Maximum Ratings and Electrical/Thermal Specifications
The 1N4007 diode datasheet includes key parameters and specifications to ensure proper rectifier operation. The most important thing is ensuring the component is not exposed to conditions outside the maximum ranges below.
The maximum ratings provide the parameters for the 1NA4007 to be safely utilized. The following electrical/thermal specifications in the 1N4007 diode datasheet will help guide your design.
1N4007 PCBA Design Essentials
For the 1N4007 diode datasheet to be helpful, your component’s CAD model and data must be accurate and from a trusted database, as shown in the schematic, footprint, and 3D model below.
1N4007 schematic symbol, footprint, and 3D CAD model from UL
The importance of an effective online database cannot be overstated; for instance, when finding obsolete part models and/or data is necessary. With this PCB layout data coupled with the specific specifications, characteristics, and performance metrics of components, which are usually only available in a datasheet, you can design your PCB effectively.
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