1N4001 Diode - 10 pack
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1N4001 Diode - 10 pack
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$3.25
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Only 5 left
A 10-pack of 1N4001 general-purpose rectifier diodes — one of the most widely used power diodes in electronics. Rated for 1 A continuous forward current and ...
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A 10-pack of 1N4001 general-purpose rectifier diodes — one of the most widely used power diodes in electronics. Rated for 1 A continuous forward current and 50 V peak reverse voltage with a typical forward voltage drop of 0.7 V.
Key Features
- 1 A Forward Current – Suitable for most low-power rectification and protection circuits
- 50 V Peak Reverse Voltage – Blocks reverse voltage up to 50 V
- ~0.7 V Forward Drop – Standard silicon diode characteristics
- Through-Hole Package – Easy to use on breadboards and PCBs
Common Applications
- Reverse Polarity Protection – Place between DC power input and circuitry to prevent damage from reversed connections
- Flyback/Kickback Protection – Connect across relay coils, solenoids, or DC motors to safely discharge inductive voltage spikes
- General Rectification – AC-to-DC conversion in power supply circuits
Specifications
- Part Number: 1N4001
- Max Forward Current: 1 A (average)
- Peak Reverse Voltage: 50 V
- Forward Voltage Drop: ~0.7 V (typical)
- Package: DO-41 (axial)
Package Contents
- 10× 1N4001 rectifier diodes
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.
- continuous forward current
- The amount of current a diode can carry in its normal conducting direction for an extended time without overheating. This rating helps you choose a diode that can safely handle the load in your circuit.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- DO-41
- A standard through-hole package size used for many small rectifier diodes. Knowing the package helps you check whether the part will physically fit your breadboard, stripboard, or PCB layout.
- 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.
- peak reverse voltage
- The maximum reverse voltage a diode can block without breaking down. This matters in power supplies and protection circuits because the diode must withstand the highest voltage it may see when it is not conducting.
- rectifier diode
- A diode designed to let current flow mainly in one direction, often used to convert AC into DC or to protect circuits from reverse current. It matters because rectifier diodes are chosen for power handling rather than fast signal switching.
- 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.
- through-hole
- A mounting style where the component leads pass through holes in a circuit board and are soldered on the other side. Through-hole parts are often easier to handle and solder by hand, which is useful for classroom and hobby projects.
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