Little Bird
1N4004 Diode
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A general-purpose 1N4004 rectifier diode rated for 1 A continuous forward current and 400 V peak reverse voltage. A versatile component for reverse polarity ...
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A general-purpose 1N4004 rectifier diode rated for 1 A continuous forward current and 400 V peak reverse voltage. A versatile component for reverse polarity protection, flyback protection across inductive loads, and AC-to-DC rectification circuits.
Specifications
- Part Number: 1N4004
- Max Forward Current: 1 A (average)
- Peak Reverse Voltage: 400 V
- Forward Voltage Drop: ~0.7 V (typical)
- Package: DO-41 (axial)
Common Applications
- Reverse polarity protection for DC circuits
- Flyback protection across relay coils, solenoids, and motors
- AC-to-DC rectification in power supplies
Package Contents
- 1× 1N4004 rectifier diode
Jargon buster
Plain-language definitions for the technical terms used above.
- Axial
- Axial components have one lead coming out of each end, so they lie flat or span holes on a circuit board or breadboard. This matters when checking whether the resistor will physically fit your prototyping or through-board assembly method.
- Forward voltage drop
- Forward voltage drop is the small amount of voltage lost across a diode or diode-like circuit when current flows through it. A lower drop is important because it wastes less power and helps keep the rest of the project supplied with enough voltage.
- reverse polarity protection
- A circuit feature that helps protect the board if power is connected the wrong way around. It matters because it can reduce the chance of damaging the breakout during wiring mistakes, especially in classroom or prototyping use.
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