1N4001G Diode Technical Summary

Overview

The 1N4001G is a general-purpose rectifier diode designed for use in a wide range of applications requiring reliable and efficient AC to DC conversion. Encased in a rugged glass package, this diode is built to withstand demanding environments while maintaining high performance. Its glass passivation ensures long-term reliability and stability, making it a popular choice for both industrial and consumer electronics.

With a maximum repetitive peak reverse voltage of 50V and an average forward current rating of 1A, the 1N4001G is well-suited for low-voltage power supply circuits, battery chargers, and other rectification tasks. Its robust construction and high surge current capability further enhance its versatility.

Features

• Glass Passivated: Provides enhanced reliability and protection against environmental factors.
• High Maximum Operating Temperature: Capable of functioning in temperatures up to 175°C, ensuring performance in demanding conditions.
• Low Forward Voltage Drop: Typically 1V at 1A, improving energy efficiency.
• High Surge Current Capability: Withstands non-repetitive surge currents up to 30A, making it resilient to transient overloads.
• RoHS Compliant: Meets environmental standards for lead-free and hazardous substance-free manufacturing.
• Low Leakage Current: Ensures minimal power loss in reverse bias conditions.

Applications

The 1N4001G diode is widely used in various electronic circuits due to its robust design and reliable performance. Common applications include:

• Power Supply Rectification: Converts AC to DC in power adapters, battery chargers, and linear power supplies.
• Reverse Polarity Protection: Safeguards sensitive components from damage due to incorrect power supply connections.
• Freewheeling Diodes: Used in inductive load circuits to protect against voltage spikes.
• General Purpose Rectification: Suitable for low-frequency rectification tasks in consumer electronics and industrial equipment.
• Blocking Diodes: Prevents reverse current flow in solar panels and battery backup systems.

Electrical Characteristics

Absolute Maximum Ratings

• Maximum Repetitive Peak Reverse Voltage (V_RRM): 50V
• Maximum RMS Voltage (V_RMS): 35V
• Maximum DC Blocking Voltage (V_DC): 50V
• Average Forward Rectified Current (I_F(AV)): 1A
• Peak Forward Surge Current (I_FSM): 30A (non-repetitive)
• Operating Junction Temperature Range (T_J): -65°C to +175°C
• Storage Temperature Range (T_STG): -65°C to +175°C

Typical Electrical Performance

• Forward Voltage Drop (V_F): 1V at 1A (typical)
• Reverse Leakage Current (I_R): 5µA at 50V (typical)
• Junction Capacitance (C_J): 15pF at 4V, 1MHz (typical)
• Thermal Resistance (R_θJA): 50°C/W (typical)

Package Information

The 1N4001G is housed in a DO-41 axial-lead glass package, which provides mechanical durability and efficient heat dissipation. The package dimensions and pin configuration are as follows:

• Package Type: DO-41 (Axial Lead)
• Body Diameter: 2.7mm (max)
• Body Length: 4.3mm (max)
• Lead Diameter: 0.8mm (nominal)
• Lead Length: 25.4mm (standard)
• Weight: Approximately 0.35 grams

The DO-41 package is designed for through-hole mounting on printed circuit boards (PCBs), ensuring easy integration into a wide range of electronic assemblies. The glass encapsulation provides excellent resistance to moisture and contaminants, further enhancing the diode's reliability in harsh environments.

Conclusion

The 1N4001G is a versatile and reliable rectifier diode suitable for a broad spectrum of applications. Its combination of high surge current capability, low forward voltage drop, and robust glass package makes it an excellent choice for designers seeking dependable performance in power supply and rectification circuits. Whether used in consumer electronics, industrial systems, or renewable energy applications, the 1N4001G delivers consistent and efficient operation under varying conditions.