1N4004

Overview of 1N4004

The 1N4004 is a rectifier diode optimized for high-speed and low-voltage operations. It provides excellent performance for analog and digital signal switching.

Pinout

The 1N4004 pinout refers to the configuration and function of each pin in its DO-204AL, DO-41, Axial package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the 1N4004 has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.

Features

• Case: Epoxy, Molded: The 1N4004 has a molded epoxy case that provides excellent thermal dissipation and mechanical strength.
• Weight: 0.4 gram (approximately): The diode weighs approximately 0.4 grams, making it suitable for use in a wide range of applications.
• Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable: The diode's external surfaces are corrosion-resistant, and the terminal leads are readily solderable, making it easy to integrate into a circuit.
• Lead and Mounting Surface Temperature for Soldering Purposes: 260 C Max. for 10 Seconds, 1/16 from case: The diode can withstand temperatures of up to 260°C for 10 seconds when soldered, making it suitable for use in high-temperature applications.
• Shipped in plastic bags, 1000 per bag.: The diodes are shipped in plastic bags with 1000 units per bag, making them easy to store and handle.
• Available Tape and Reeled, 5000 per reel, by adding a "RL" suffix to the part number: The diode is available on tape and reel with 5000 units per reel, making it suitable for use in automated assembly processes.
• Available in Fan-Fold Packaging, 3000 per box, by adding a "FF" suffix to the part number: The diode is also available in fan-fold packaging with 3000 units per box, making it easy to store and handle.
• Polarity: Cathode Indicated by Polarity Band: The cathode of the diode is indicated by a polarity band, making it easy to identify the correct orientation for use in a circuit.
• Marking: 1N4001, 1N4002, 1N4003, 1N4004, 1N4005, 1N4006, 1N4007: The diode is marked with the part number and other relevant information.
• Pb-Free Packages are Available: The diode is available in Pb-free packages, making it suitable for use in applications where lead-free components are required.

Applications

• Power Supplies: The 1N4004 can be used in power supplies to rectify AC voltage and provide a stable DC output.
• Motor Control Circuits: The diode can be used in motor control circuits to regulate the flow of current and protect against overvoltage conditions.
• Telecommunications Equipment: The 1N4004 is suitable for use in telecommunications equipment, such as telephone switches and routers, where high-speed switching and low-voltage operation are required.
• Automotive Systems: The diode can be used in automotive systems, such as ignition systems and battery charging circuits, where high-reliability and low-voltage operation are critical.

Advantages and Disadvantages

The 1N4004 has several advantages, including its high-speed switching capability, low voltage drop, and high surge current rating. However, it also has some disadvantages, such as its relatively high forward voltage drop and limited reverse recovery time.

Equivalents

The 1N4004 is equivalent to other rectifier diodes with similar specifications, such as the 1N5400 or the MUR140.

Frequently Asked Questions

Q: What is the maximum forward current rating of the 1N4004?
A: The maximum forward current rating of the 1N4004 is 30 amps.

Q: What is the maximum reverse voltage rating of the 1N4004?
A: The maximum reverse voltage rating of the 1N4004 is 1000 volts.

Q: Can the 1N4004 be used in high-reliability applications?
A: Yes, the 1N4004 can be used in high-reliability applications where low-voltage operation and high-speed switching are required.

Q: Is the 1N4004 available in Pb-free packages?
A: Yes, the 1N4004 is available in Pb-free packages for use in lead-free applications.