1N4007 Diode Technical Summary

Overview

The 1N4007 is a general-purpose rectifier diode widely used in power supply applications. It belongs to the 1N400x series of diodes, with the 1N4007 being the highest voltage-rated member of the family. This diode is designed for low-frequency (50Hz or 60Hz) rectification applications and is capable of handling relatively high currents and voltages. The device features a robust construction that makes it suitable for a variety of industrial and consumer electronic applications.

Features

• Low Forward Voltage Drop: Ensures efficient power conversion with minimal energy loss.
• Low Leakage Current: Reduces power loss when the diode is reverse-biased.
• High Forward Surge Capability: Can withstand high surge currents, making it reliable in demanding applications.
• High Temperature Soldering: Compliant with solder dip at 275°C max for 10 seconds, per JESD 22-B106 standard.
• Environmental Compliance: Compliant with RoHS Directive 2002/95/EC and WEEE 2002/96/EC, ensuring environmentally friendly manufacturing and disposal.

Applications

The 1N4007 diode is versatile and finds use in a wide range of applications, including:

• Power Supply Rectification: Used in AC to DC conversion circuits, such as bridge rectifiers and half-wave or full-wave rectifiers.
• Inverters and Converters: Employed in circuits that convert DC to AC or change voltage levels.
• Freewheeling Diodes: Protects circuits from voltage spikes by providing a path for inductive load current when the power is switched off.
• General Purpose Rectification: Suitable for low-frequency rectification tasks in consumer electronics, industrial equipment, and automotive systems.

Electrical Characteristics

The following table summarizes the key electrical characteristics of the 1N4007 diode under typical operating conditions (25°C unless otherwise specified):

Absolute Maximum Ratings

• Peak Repetitive Reverse Voltage (V_RRM): 1000V
• RMS Reverse Voltage (V_RMS): 700V
• Average Rectified Forward Current (I_F(AV)): 1.0A
• Non-Repetitive Peak Forward Surge Current (I_FSM): 30A (8.3ms single half-sine wave)
• Operating Junction Temperature Range (T_J): -65°C to +175°C
• Storage Temperature Range (T_STG): -65°C to +175°C

Forward Characteristics

• Forward Voltage Drop (V_F): 1.1V max at 1.0A
• Forward Current (I_F): 1.0A (continuous)

Reverse Characteristics

• Reverse Leakage Current (I_R): 5µA max at 1000V
• Reverse Recovery Time (t_rr): 30µs (typical)

Package Information

The 1N4007 diode is available in a standard through-hole package, making it easy to use in a variety of circuit designs. The package details are as follows:

Package Type

• Package: DO-41 (Axial Lead)
• Body Diameter: 2.7mm (typical)
• Body Length: 5.2mm (typical)
• Lead Diameter: 0.8mm (typical)
• Lead Length: 25.4mm (typical)

Marking and Identification

The 1N4007 diode is typically marked with the part number "1N4007" on its body for easy identification. The cathode end is indicated by a band or stripe, which is standard for diode polarity marking.

Mounting and Handling

• Soldering: The diode is suitable for wave or hand soldering, with a maximum soldering temperature of 275°C for 10 seconds.
• Storage: Store in a dry environment at temperatures between -65°C and +175°C to prevent moisture absorption and damage.

Conclusion

The 1N4007 diode is a reliable and widely used component in power rectification applications. Its robust design, high surge capability, and compliance with environmental standards make it a preferred choice for engineers and designers. Whether used in power supplies, inverters, or as a freewheeling diode, the 1N4007 delivers consistent performance under a variety of operating conditions. Its through-hole package ensures ease of use in prototyping and production environments, further enhancing its versatility.