1N4001 Rectifier Diode (50V 1A)

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– General-purpose 1N4001 silicon rectifier diode (50V, 1A)
– Continuous forward current: 1A; Peak surge current: 30A
– Low forward voltage drop (~1.1V) for efficient rectification
– DO-41 axial lead package for easy through-hole mounting
– Ideal for AC to DC conversion, power supplies and battery chargers
– Common use: reverse polarity protection and hobby electronics projects

Product Overview

The 1N4001 Rectifier Diode (50V 1A) is a trusted, general-purpose silicon rectifier designed for low-frequency rectification and protection tasks. It supports up to 50V reverse voltage (VRRM) and 1A continuous forward current, making it a versatile choice for power adapters, DC power supplies, battery chargers and many electronics projects.

Key Specifications

  • Model: 1N4001
  • Reverse voltage (VRRM): 50V
  • Continuous forward current (IF): 1A
  • Peak surge current (IFSM): 30A
  • Forward voltage drop (VF): ~1.1V (max, depending on current and temperature)
  • Package: DO-41 (axial leaded)

Features and Benefits

  • Reliable general-purpose rectifier for AC to DC conversion
  • Low forward voltage drop for efficient power transfer
  • High surge current rating to handle inrush and transient loads
  • Proven durability and long operational life in low-frequency circuits
  • Simple through-hole DO-41 package for easy prototyping and repairs

Applications

  • AC to DC rectification in transformers and adapter circuits
  • DC power supply units and voltage regulators
  • Battery charging circuits and backup power systems
  • Reverse polarity protection on input lines and devices
  • General hobbyist and educational electronics projects

Typical Use Cases

Designers commonly use the 1N4001 in single-diode rectification, full-wave bridge rectifiers (paired with other 1N400x series diodes), polarity protection circuits, and simple power-supply front ends. Its high surge capability makes it suitable for handling short-term inrush currents when capacitors charge at power-up.

Package and Mounting

The 1N4001 is supplied in a DO-41 axial lead package compatible with through-hole PCB mounting and hand-soldered assemblies. The axial form factor is convenient for breadboards, perfboards and traditional PCB footprints.

Technical Notes

  • The diode has moderate recovery characteristics suitable for low-frequency rectification; it is not optimized for high-speed switching like Schottky or fast-recovery diodes.
  • Typical forward voltage is around 1.1V at rated currents; expect variation with temperature and operating current.
  • Ensure proper derating in continuous high-current or high-temperature environments to maximize reliability.

Ordering and Packaging

The 1N4001 is widely available in single-piece and bulk quantities. Its robust, easy-to-handle DO-41 package makes it suitable for both professional production and hobby builds.

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Vendor Information

  • Store Name: College Road Electronics
  • Vendor: College Road Electronics
  • Address: Microwave Electronics, Basement Azhar Shaheed Plaza, DAV College Road
    Rawalpindi
    Punjab
    46000
  • 3.00 rating from 2 reviews
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