Diode 1N4007
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Diode 1N4007

$1.85

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Diode 1N4007

The 1N4007 is a very common and versatile silicon rectifier diode. It’s part of the 1N400x series of general-purpose diodes, with the “7” indicating its specific voltage rating.

Key Characteristics

  • Rectifier Diode: Its primary function is to convert alternating current (AC) into pulsating direct current (DC) by allowing current to flow in only one direction.
  • High Reverse Voltage Rating: The 1N4007 can withstand a peak repetitive reverse voltage () of 1000V. This makes it suitable for high-voltage applications.
  • Average Forward Current: It can handle an average forward current () of 1 Ampere (1A).
  • Forward Voltage Drop: When conducting in the forward direction, it has a relatively low forward voltage drop () of approximately 0.7V to 1.1V. This voltage drop represents the power lost within the diode.
  • Surge Current Capability: It can handle a non-repetitive peak surge current () of up to 30A for short durations, which is useful for handling initial power-on surges.
  • Package Type: It typically comes in a DO-41 axial-lead package, which is a small, cylindrical plastic package with leads on both ends.
  • Operating Temperature Range: It operates reliably over a wide temperature range, typically from -55°C to +175°C.

How it Works

Like all diodes, the 1N4007 is a PN-junction device. It consists of a P-type semiconductor and an N-type semiconductor joined together.

  • Forward Bias: When a positive voltage is applied to the anode (P-side) and a negative voltage to the cathode (N-side), the diode is forward-biased. If the applied voltage exceeds the forward voltage drop (around 0.7V for silicon diodes), the diode conducts, allowing current to flow from anode to cathode.
  • Reverse Bias: When a negative voltage is applied to the anode and a positive voltage to the cathode, the diode is reverse-biased. In this state, the diode acts like an open switch, blocking current flow. The 1N4007 is designed to withstand up to 1000V in this reverse-biased state before breaking down.

Common Applications

The 1N4007’s robust characteristics make it popular in a wide range of electronic circuits, including:

  • Rectifier Circuits:
    • Half-wave and Full-wave Rectifiers: Essential for converting AC power from the mains (like in household appliances) to DC power for electronic devices.
    • Bridge Rectifiers: Used to convert the entire AC waveform into pulsating DC, achieving more efficient rectification.
  • Power Supplies: Used for rectifying the AC input in power supply units to provide DC voltage to various components.
  • Voltage Protection:
    • Reverse Polarity Protection: Prevents damage to circuits if the power supply is connected with incorrect polarity.
    • Freewheeling Diodes (Flyback Diodes): Protect sensitive components from voltage spikes generated by inductive loads (like relays, motors, and solenoids) when their magnetic field collapses.
    • Voltage Spike Suppression: Helps to suppress transient voltage spikes that can occur due to switching events or lightning, safeguarding delicate electronics.
  • Inverters and Converters: Used in various power conversion circuits.
  • Current Flow Regulation: Can be used in simple current limiting or flow control applications.

Due to its high reverse voltage rating, the 1N4007 is often a go-to choice when a general-purpose rectifier diode is needed, especially in circuits that might experience higher voltages.

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Description

Diode 1N4007

*1 Amp

*24 Volt

The rectifier diode 1N4007 is a general-purpose rectifier diode widely used in electronic circuits for converting alternating current (AC) to direct current (DC). 

It’s a common component found in power supplies and other applications requiring rectification or reverse polarity protection. The 1N4007 can handle a 1 Ampere (1A) forward current and a 1000 Volt (1000V) reverse voltage, making it suitable for a variety of applications. 

Here’s a more detailed breakdown of the rectifier diode 1N4007:
  • Rectification:

    The 1N4007, like all diodes, allows current to flow in one direction, which is crucial for converting AC to DC. 

  • Reverse Voltage Protection:

    It can also protect circuits from damage caused by reverse voltage, meaning it prevents current from flowing backward. 

  • General Purpose:

    Its specifications make it versatile for use in various electronic devices and circuits, including power supplies, voltage converters, and more. 

  • 1A, 1000V:

    The 1N4007 is rated for a maximum forward current of 1 Ampere and a maximum reverse voltage of 1000 Volts. 

  • DO-41 Package:
    It is typically housed in a DO-41 axial package, which is a standard cylindrical shape for diodes. 
Additional information
Weight 0.009 kg
Dimensions 4 × 1 × 2 cm
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KBPC5010 Explained
  • KBPC: This is typically a series designation for a family of single-phase bridge rectifiers with specific package styles.
  • 50: This number indicates the maximum average forward rectified current (Io) the device can handle, which in this case is 50 Amperes (A). This high current rating makes it suitable for demanding applications.
  • 10: This number typically refers to the voltage class, often indicating a maximum repetitive peak reverse voltage (VRRM) of 1000 Volts (V) (where '10' often means 10 x 100V). This high voltage rating allows it to handle substantial AC input voltages.
Metal Case Design The "metal case" is a significant feature. The metal housing serves as a heat sink, which is essential for dissipating the heat generated by the diodes during operation, especially when handling high currents. This helps maintain optimal operating temperatures, ensuring the device's reliability and longevity. The case often has a central mounting hole for easy attachment to an external heat sink for even better thermal management. The internal components are usually encapsulated with epoxy resin for electrical insulation and flame resistance. Key Specifications and Features
  • Conversion: Converts single-phase AC to pulsating DC.
  • Current Rating: Up to 50 Amperes (A) average forward current.
  • Voltage Rating: Up to 1000 Volts (V) repetitive peak reverse voltage.
  • Surge Current Capability: Often capable of handling high non-repetitive surge currents (e.g., 400A or 450A for a short duration), which is crucial for handling initial power-on transients.
  • Low Forward Voltage Drop: Minimizes power loss and improves efficiency.
  • High Reliability: Designed for robust performance in various environments.
  • Mounting: Typically features through-hole mounting with a screw hole for chassis or heatsink mounting.
  • Terminals: Often uses 0.25" (6.35 mm) Faston terminals for easy connection. Some variants (like KBPC5010W) might have wire leads.
  • Operating Temperature: Wide operating junction temperature range, often from -40°C to +150°C.
Common Applications Due to its high current and voltage capabilities, the KBPC5010 is commonly found in:
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The 1N5408 is a common general-purpose rectifier diode. It's designed to allow electric current to flow primarily in one direction, making it crucial for converting alternating current (AC) to direct current (DC). Think of it like a one-way valve for electricity. It belongs to the 1N540x series of power diodes, known for their ability to handle relatively high current and voltage. Here are its key characteristics and common uses: Key Features
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  • Battery Chargers: Used to convert AC wall power into DC for charging batteries.
  • Voltage Regulation Circuits: Helps in maintaining a stable output voltage by rectifying current.
  • Protection Circuits: Its ability to block reverse current makes it useful for reverse polarity protection, preventing damage to sensitive components if the power supply is connected incorrectly.
  • Freewheeling Diode: Used in inductive circuits (like those with relays or motors) to provide a path for stored energy to dissipate when the current is switched off, preventing voltage spikes that could damage other components.
  • Voltage Doubler Circuits: Can be used in circuits designed to effectively double the input voltage.
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